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Grasping understand how to triumph by athletic wagering, almost anything athletic there?s a chance you?re wagering concerning, may be a particular reason associated with athletic bettors, and indeed if you are wagering considering that you must make a profit not to mention earn their living from the jawhorse, so that it? Unsung rather an excellent […]

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Chirurgie plastique pour les villes hautes et les villes – Pourquoi c’est top

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Drama Masks ? Understanding the Art of Drama

Getting swept up in the drama of our lives blinds us from reality and seeing the simplicity in as soon as. When i am writing this through to the rooftop deck of my pal?s apartment complex, I?m amazed at the beauty of your day (pictures included) Teri Meri Dooriyan. To my right is Lake Michigan […]

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Greatest Explanation With regard to Medical Health and fitness

Using the recognition associated with wellness understanding, Visitor Publishing more and more people understand that, predicated on Jesselynn Chaun and Howard Low Taek some medical together with efficient fitness program, compared to to invest much more costly to purchase healthcare items useful. Rush upward, with regard to their winter season workout program to build up […]

Safety temperature limiter for plants safe to operate

Heat-generating plants are used in industry and in heating technology. The safe operation of such plants requires a large number of safety devices. They are made to prevent, among other things, excess temperature, overpressure and vacuum. In your community of temperature monitoring, in addition to a large number of other instruments, safety temperature limiters are […]

What advantages does a cable box have for submersible pressure sensors?

A cable box for submersible pressure sensors for level detection is an inconspicuous and simple accessory. With its help, the installation costs for certain measuring locations can be significantly reduced.Submersible pressure sensors measure the hydrostatic pressure of a liquid, from which the level in a vessel or open container is calculated. The pressure sensors, therefore, […]

Grounding of hydrostatic level sensors

Hydrostatic level sensors (generally known as submersible pressure transmitter) have become often installed in outdoor applications, primarily in the water and wastewater industries, where open bodies of water, deep wells or boreholes are monitored. A good connection to ground is essential when installing hydrostatic level sensors, since no grounding or poor grounding can lead to […]

Sport, games & fun

No year without corporate sports competitions – also in 2016. What counts, apart from the athletic challenge, are in particular taking part and the joined experience within a group. Companies from the WIKA Group gain top ranks in these events, for example WIKA Canada and Mensor, who start regularly in regional corporate challenges. WIKA even […]

Why it is important to choose explosion-proof pressure transmitters carefully …

In order to be safe for use in the hazardous locations, pressure sensors that are suitable for use in that hazardous area need to comply with one of the many protection types available. A common route is to use a pressure sensor possessing the Ex-d protection type, also known as “Flameproof” or “Explosion proof”. These […]

What is meant by hydrostatic level measurement or hydrostatic pressure?

Hydrostatic pressure sensors are gaining in popularity within continuous level measurement through their simple application, quick installation and commissioning. However, how does hydrostatic level measurement work, what is meant by hydrostatic pressure and how can I reliably measure my level using this measuring principle?Level sensors based on hydrostatic pressure measurement generally measure the level or […]

Mechanical vs electronic pressure switches: Application areas

When should you choose a mechanical pressure switch and when should you rather decide for an electronic pressure switch? Each switch principle offers advantages, but additionally has its limitations. Among other things, you can find differences in the application form areas for mechanical and electronic pressure switches. Considered of this will support you in your […]

Pressure transducers in semiconductor manufacturing: There’s no way around UHP

The production of semiconductors places high demands on pressure measurement technology. Pressure transducers there, for example, are deployed in a UHP “ultra high purity”) design. This article explores the question of why such high-quality instruments are necessary and what properties they must have.During semiconductor production, the pressure transducers are exposed to highly aggressive, toxic or […]

Analogue output signals from pressure sensors 3: 0.5 … 4.5 V ratiometric

For some applications, for example in vehicles or battery operated applications, an output signal is required which can be operated at low power to enable a long service life. Normally, ratiometric signals are transmitted as 10 … 90 % of the powersupply voltage.No internal reference voltage is generated in devices with ratiometric output and all […]

Autofrettage in pressure sensors ensures zero-point stability

In the manufacturing operation of pressure sensors, autofrettage denotes the process of active ?overload? by subjecting the pressure sensor selectively once or several times to a pressure above the nominal pressure range. This technique is applied, in order to achieve maximum stability, specifically of the zero point, in later operation. Assuming a suitable design of […]

Float switch: What is it and so how exactly does it actually work?

Float switches are simple, universally applicable and exceptionally reliable. It is not a coincidence that, today, float switches still represent probably the most commonly used principle for level monitoring. But how does a float switch really work?Float switches, in a straightforward mechanical form, have been completely used for the control of water flows in mills […]

Analogue output signals of pressure sensors 1: 4 … 20 mA

In industrial automation and in pressure sensors in particular, the current signal of 4 … 20 mA is the most frequently used signal for analogue transmission of values. The wide use of this signal is due to its ease of handling and especially its interference resistance.A current signal has a higher EMC interference immunity than […]

WIKA certified in accordance with ISO 19443 for civil nuclear projects

The civil use of nuclear power is a significant market. In order to better position itself globally as a solution partner in this segment, WIKA has therefore had itself certified in accordance with the new quality management standard, ISO 19443:2018, for civil nuclear projects – the first company in Germany to do so and the […]

Force transducer: making air traffic cleaner

Pioneering technology in the struggle against climate change: tecsis will contribute towards reducing the ecological footprint of flights. Within the European ?Clean Sky? programme, the force specialists within the WIKA Group are collaborating with Liebherr Aerospace to develop a force transducer ideal for aerospace applications.EU project: Force transducer for electric drivesThe project presents a special […]

Hygienic M12 coupler connector for thermometer connection head

The usage of an M12 coupler connector at the connection head of a thermometer, rather than standard cable outlet, enables quick and safe connection. In the hygienic, food and pharmaceutical industries such a design is also being demanded ever more frequently.Used, plant manufacturers like to rely on pre-assembled cables with fitted connectors, since this completely […]

How does one specify the switch point of a float switch?

In the specification of the switch points of a float switch, misunderstandings always lead to unsuitable product designs. How one correctly specifies the switch point of a float switch will be explained here.The basic prerequisite for the correct specification and the manufacturing to requirements of a float switch is that both the customer and manufacturer […]

Fields of application for pressure sensors 2 – non-vented gauge pressure sensors: when unvented pressure sensors or transmitters are the best choice

In most applications, gauge pressure measurement is required and therefore pressure sensors and pressure transmitters that measure pressure against the prevailing ambient pressure are commonly used for this. Those pressure sensors typically have a venting hole to allow the ambient/gauge pressure to act upon the back end of the sensor element.Electronic pressure sensors usually measure […]

Level measurement in ground water

The recovery of drinking water from ground water has top priority in many countries. In Germany, this method has a share of about 70 per cent in the water supply. The water drawn from depths of several hundred of meters below the earth’s surface is normally in perfect hygienic condition.The ground water is pumped up […]

Not similar: temperature range and temperature limit

Temperature range and temperature limit for pressure sensors ? is there a difference? My intuitive answer will be: Yes! The initial term describes a section and the second its border. On second glance, however, I must conclude that both words ultimately express a similar thing in relation to temperatures: Range and limit are defined by […]

Hiking against dementia

Dementia is one of the main causes of disability in later life, with over 850,000 people currently diagnosed with the disease in the UK. Mammoth of twelve from WIKA UK took part in a 25-kilometre march organised by the Alzheimer’s Society with the motto “United we trek against dementia”.Starting in Richmond, Surrey, the trek led […]

Float switch: The facts and so how exactly does it actually work?

Float switches are simple, universally applicable and exceptionally reliable. It is not a coincidence that, today, float switches still represent the most commonly used principle for level monitoring. But so how exactly does a float switch really work?Float switches, in a straightforward mechanical form, have been in use for the control of water flows in […]

3-A vs. EHEDG or also theoretical vs. practical

Experts estimate the time spent cleaning in the food and beverage industry to be as much as 30 percent. Thus, it is also understandable why the manufacturers attach great importance to a cleaning-friendly design (hygienic design). Many producers therefore look out for a 3-A or an EHEDG symbol. But what do these symbols stand for […]

Flame arrester protects sewage vacuum truck tanks

A pre-volume deflagration flame arrester or – simplified – a flame arrester prevents flame transmission, through a measuring instrument, into a zone 0 (gas) hazardous area. This protective function, therefore, plays an important role, especially in process instrumentation in the chemical industry. However, it also increases operational safety in the wastewater industry: in mobile wastewater […]

SIL? PL? What is the probability of failure of a safety function?

Customers often ask us: “Can my product be part of a safety function? Which standards or directives apply in this case?” The most important safety directives and standards available today are SIL (Safety Integrity Level) and PL (Performance Level).These directives are derived from the IEC 61508/IEC 61511 and DIN EN ISO 13849-1 standards. They specify […]

Video studio with TV-quality equipment

WIKA has established Anxious at its Klingenberg site. Within an area of a lot more than 62 square metres, image and sound equipment in TV quality has been installed for different formats ? presentations, interviews and webinars. The material will support the business?s internal and external communication.In the video studio, several cameras with high res […]

Integration of a ceramic pressure sensor

In space- and price-critical applications, the ceramic pressure sensor offers a compact and cost-effective solution for implementing pressure measurement which is embedded in the customer’s application. However, there are some details to consider when integrating the ceramic cell.For example, each sensor must be measured and adjusted (see: “Integration of a pressure sensor element – error […]

Temperature ? What happens to be it?

Temperature ? a term that people use daily as a matter needless to say, without being made alert to the physical correlations. But how may be the term temperature defined?Everybody perceives temperature within their environment purely subjectively. If we have been too warm or too cold, it is just a feeling, which may be different […]

Reducing the carbon footprint in a sustainable manner

Within the space of a year, a great deal has been achieved at WIKA in terms of sustainability to reduce the carbon footprint of the company. Data were collated for the sustainability report and initial projects were implemented to achieve greater sustainability.A sustainability report is a way for a company to show the public what […]

Supporting the circular economy with the SCIP database

In early January 2020, the SCIP database (SCIP = Substances of Concern In Products) of ECHA, the European chemicals agency, was activated. This is implemented in Germany in the Chemicals Act. WIKA had already been in a position to enter data by the cut-off date and thus also support customers with the reported SCIP numbers.The […]

Big voluntary participation at charity event at WIKA USA

Each day, more than 6000 children around the world die of hunger-related diseases. Our colleagues from WIKA USA are determined in reducing that number. The company?s largest volunteer effort up to now in the U.S. was the From Hunger to Hope MobilePack event this March in Lawrenceville, Georgia.100 employees ? from WIKA managers to office […]

Voluntary service extends awareness

Through Elite arranged by the volunteer service ”kulturweit”, WIKA employee Clara Berninger was able to go to the tranquil region of Bjelovar in Croatia for six months in 2022. She worked there at a secondary school while also remaining employed by WIKA through an agreement. A type of further development that WIKA is pleased to […]

Unscrupulous: Faking the website of WIKA China

Trademark pirates won’t even stop at faking a website in order to distribute counterfeit products via the internet. WIKA has now also been affected by such criminality – under the domain www.wika-wika.cn, a company from Shanghai faked the homepage of WIKA China.Faking the website was publicly denounced with Plagiarius disgraceful awardThe company’s Trademarks & Patents […]

Functioning of an AC resistance thermometry bridge

When a continuing current is passed through a thermometer of resistance Rt and a fixed reference resistor of known value Rs, the voltage across them will undoubtedly be in direct proportion with their resistance values.The ratio of both voltages and for that reason of both resistors, could be measured very accurately using high-precision voltage divider […]

Overload safety of Bourdon tube pressure gauges

The question occasionally arises, in connection with Bourdon tube pressure gauges, about the overload safety of the instruments. This article deals with exceeding the measuring range by up to 30 %. What happens with the pressure gauge? Does it still indicate precisely afterwards? Can it start to leak? As a next step, we should shed […]

Life in numerals and measurements

It is really a numeral on the noisy alarms that informs me when I should get up. For example today, a perfectly ordinary Thursday. The week has already been well advanced and I am correspondingly tired. But none of that is of any help, and because each morning this tiny little numeral resides within me, […]

Autofrettage in pressure sensors ensures zero-point stability

In the manufacturing operation of pressure sensors, autofrettage denotes the process of active ?overload? by subjecting the pressure sensor selectively once or many times to a pressure above the nominal pressure range. This technique is applied, to experience maximum stability, specifically of the zero point, in later operation. Assuming a suitable design of the sensor, […]

Dust explosion, the underestimated danger – Pressure sensors must meet requirements for the maximum permissible surface temperature

With the key phrase “potentially explosive atmospheres”, many users immediately think about areas that contain flammable gases and now know that only ATEX-approved pressure sensors may be used in plant and machinery in these areas. Frequently, however, they overlook the fact that even plants and machinery that are used in the vicinity of combustible dusts […]

When is a pressure spike too fast?

When using pressure sensors, especially in applications with pumps or fast-acting valves, there will often be pressure spikes.What is Stealthy ?A pressure spike or pressure pulse denotes a rapid rise or drop in pressure. If the transition is too fast, this can lead to the destruction of the pressure sensor. Such sensor faults occur particularly […]

Gravimetric level measurement in vessels

In the pharmaceutical, building materials and food industries, on vessels and silos, on platforms and dosing systems, right up to kitchen and bathroom scales ? weight is measured everywhere. In industry, it becomes particularly interesting in terms of the level in vessels. There are Recession-proof for weight measurement or weighing. The filling level could be […]

Illuminating idea

Conclusive boring lectures. Instead, lively discus- sion sessions and memorable messages characterized the two-day motivational training course at WIKA’s subsidiary in Thailand. The illuminating power of a large number of candles symbolized the significance of teamwork to the success of the corporation.cleaning basinsHowever, there was also a social dimension to the seminar, held away from […]

EAC approval for pressure gauges and thermometers: What must be considered?

Whoever exports measuring instruments or other technical goods to Russia and many of its neighbouring countries, has to go through the certification process of the “Eurasian Conformity” (EAC). An EAC approval is comparable with CE conformity. It is issued for each instrument type.Russia, Belarus and Kazakhstan are a significant market for manufacturers of measuring instruments. […]

Flame arrester protects sewage vacuum truck tanks

A pre-volume deflagration flame arrester or – simplified – a flame arrester prevents flame transmission, through a measuring instrument, into a zone 0 (gas) hazardous area. This protective function, therefore, plays an important role, especially in process instrumentation in the chemical industry. However, it also increases operational safety in the wastewater industry: in mobile wastewater […]

Supporting the circular economy with the SCIP database

In early January 2020, the SCIP database (SCIP = Substances of Concern In Products) of ECHA, the European chemicals agency, was activated. This is implemented in Germany in the Chemicals Act. WIKA had recently been in a position to enter data by the cut-off date and therefore also support customers with the reported SCIP numbers.The […]

Gravimetric level measurement in vessels

In the pharmaceutical, building materials and food industries, on vessels and silos, on platforms and dosing systems, right around kitchen and bathroom scales ? weight is measured everywhere. In industry, it becomes particularly interesting when it comes to the level in vessels. There are numerous possibilities for weight measurement or weighing. The filling level could […]

Float switch: What is it and how does it really work?

Float switches are simple, universally applicable and exceptionally reliable. It isn’t a coincidence that, today, float switches still represent probably the most frequently used principle for level monitoring. But how does a float switch really work?Float switches, in a straightforward mechanical form, have been completely in use for the control of water flows in mills […]

Not the same: temperature range and temperature limit

Temperature range and temperature limit for pressure sensors ? will there be a difference? My intuitive answer would be: Yes! The initial term describes a section and the next its border. On second glance, however, I have to conclude that both words ultimately express the same thing with regards to temperatures: Range and limit are […]

Sensor status always in view with diagnostic function and IO-Link

Is the measuring instrument still working as it should? Pressure sensors with integrated diagnostic function and IO-Link provide information about their status at a glance. What this means in detail can be illustrated using the example of model A-1200 sensor from WIKA.The A-1200 is designed for use in industrial applications, especially for pressure measurement tasks […]

What is the leading ignition protection type for UHP pressure transducers?

The leading ignition protection type is critical for the electrical connection of a pressure sensor with explosion protection. It does not necessarily need to be the main one with the stricter requirements. This applies, for example, for the UHP pressure transducers of the WU series from WIKA. They have been designed for use in semiconductor […]

Flame arrester protects sewage vacuum truck tanks

A pre-volume deflagration flame arrester or – simplified – a flame arrester prevents flame transmission, through a measuring instrument, into a zone 0 (gas) hazardous area. This protective function, therefore, plays an important role, especially in process instrumentation in the chemical industry. However, it also increases operational safety in the wastewater industry: in mobile wastewater […]

WIKA relay marathon 2018 at pleasant temperatures

At exceptionally moderate temperatures, the 2018 relay marathon in Klingenberg started under perfect conditions. Almost all participants completed their elements of the course and reached the finishing line. The ?WIKA Running Team? came out on top and gained first place.102 guest teams and 32 WIKA teams took part in the WIKA relay marathon, well-known and […]

Fields of application for pressure sensors 4 ? summary

In previous articles about the fields of application of different pressure sensors, I’ve described the special top features of the different versions. Pressure range and ambient conditions are decisive when choosing the right sensor for an issue to be solved.In smaller measuring ranges (e.g. < 10 bar), you should know whether a vented gauge pressure, […]

Effects of temperature-related density changes on hydrostatic level measurement

With hydrostatic level measurement, temperature fluctuations in the medium have an effect on the accuracy of the measurement result. But why is Backdoor , and how can you minimise the influence of temperature on hydrostatic level measurement?In the blog post “Hydrostatic level measurement in open geometries and vessels” the calculation of the filling height is […]

Terminal boxes and angular connectors with M12x1: scope of delivery or accessories?

We are often asked whether for instruments with M12 x 1 connector the corresponding mating connector (also called cable socket or angular connector) is included in the scope of delivery of our pressure sensors. Our clear answer is: no. Unlike the DIN connectors forms A and C (also frequently known as “valve connector”), the M12x1 […]

Mix of pressure measuring instrument with accessories ? Hook-up instead of own assembly

Pressure transmitters and pressure gauges could be adapted to nearly every process condition using valves, protective devices and/or fittings. WIKA offers such combinations in the form of a ?hook-up?, an application-specific and ready-to-install solution. It eliminates all of the disadvantages that users experience with the alternative to do the assembly themselves.1. The logistical effort:That is […]

TA Luft now follows ISO 15848-1 for fugitive emissions

TA Luft has been revised. For the prevention of fugitive emissions, the new version of the German directive now follows the international standard ISO 15848-1. Correspondingly, tests in accordance with TA Luft follow the same test parameters as those in the ISO standard. However, the change in TA Luft has no consequences for WIKA valves […]

How does one specify the switch point of a float switch?

In the specification of the switch points of a float switch, misunderstandings always lead to unsuitable product designs. How one correctly specifies the switch point of a float switch will be explained here.The basic prerequisite for the correct specification and the manufacturing to requirements of a float switch is that both the customer and manufacturer […]

Voluntary service extends awareness

Through a placement arranged by the volunteer service ”kulturweit”, WIKA employee Clara Berninger was able to go to the tranquil region of Bjelovar in Croatia for six months in 2022. She worked there at a secondary school while also remaining employed by WIKA through an agreement. A type of further development that WIKA is pleased […]

Fields of application for pressure sensors 3 – Absolute pressure sensors: why is it necessary to use absolute pressure sensors or pressure transmitters

Electronic pressure sensors usually measure the change in pressure through the deformation of a diaphragm. If this diaphragm is exposed to the process pressure on one side and “vented” on the other side (and thus exposed to the ambient pressure), the deformation is reduced (because it is counterbalanced) by exactly this ambient pressure. Therefore, the […]

Gravimetric level measurement in vessels

In the pharmaceutical, building materials and food industries, on vessels and silos, on platforms and dosing systems, right up to kitchen and bathroom scales ? weight is measured everywhere. In industry, it becomes particularly interesting when it comes to the level in vessels. There are many possibilities for weight measurement or weighing. The filling level […]

Bending beams and shear beams: indispensable in weighing technology

?Phew, I?ve not gained anything!?: Aren?t you relieved when your bathroom scales show that? Probably ? but actually your bathrooms scales don?t measure your bodyweight directly. Instead, the strain cell included in it converts the weight force into a path. In many industrial applications, bending beams and shear beams are often used for such measurements.Background: […]

Integration of pressure sensors into the PLC

The construction of a traditional current loop for the capture of pressure sensor signals has its pitfalls – especially when not only a signal must be transmitted to the PLC, but also a local indicator has to be integrated. Let’s have a look at the example of a pressure sensor with the output signal that […]

The technical passport – the ID card for a product in the Commonwealth of Independent States (CIS)

Similar to an identity card, all technical products and equipment used in one of the CIS countries (Commonwealth of Independent States: Armenia, Azerbaijan, Belarus, Kazakhstan, Kyrgyzstan, Moldova, Russia, Tajikistan, Turkmenistan, Ukraine and Uzbekistan) have a so-called “technical passport”. Why a technical passport is required and what is behind it is explained in more detail below.Pre-requisite […]

Hallucination Little league and therefore the Lottery – Fowl from the Feather

While watching the most popular party carry out relating to Weekend afternoon, I stubled onto other people serious about Hallucination Little league. Despite the fact, I had do not really been fascinated with Hallucination Little league prior to when, The only men and women that take up residence, devour and additionally gently breathe ones own […]

Mega orifice plate manufactured in India as a showpiece

Micro Precision Products (a WIKA Group company) is now able to showcase another great achievement. Replicate stated in India, up to now, was produced in Palwal. The order was placed by one of the largest EPC companies on the subcontinent. The mega orifice plate was finally commissioned in Bathinda in hawaii of Punjab (Northern India). […]

Gravimetric level measurement in vessels

In the pharmaceutical, building materials and food industries, on vessels and silos, on platforms and dosing systems, right up to kitchen and bathroom scales ? weight is measured everywhere. In industry, it becomes particularly interesting with regards to the particular level in vessels. There are various possibilities for weight measurement or weighing. The filling level […]

Vibration resistance of pressure sensors

Measuring instruments resp. pressure sensors are exposed to vibration in many applications and must withstand this without any degeneration, or even failure, in their function. Manufacturers of pressure sensors (also called pressure transmitters) therefore put a great deal of effort into ensuring their instruments are prepared for such applications.In order that they can make firm […]

Stainless steel pressure gauge in safety version: Selection guide

Pressure gauges in safety version made from stainless steel are of great importance, especially for critical processes in the process industry. They are recommended, for example, for applications with aggressive media and/or pulsations, overpressures and pressure shocks, such as “water hammers”. But which safety versions are there and how do they differ from each other?The […]

Ex protection – The difference between the Zone and Division model

“The product is suitable for use in Zone 1, as well as for use in Class 1, Div 1.” This statement is heard or read again and again in the descriptions for products for use in hazardous areas. But what is the difference between Zone 1 and Class 1, Div 1? Let’s compare the Zone […]

What is meant by the “window” switching function with electronic pressure switches?

Modern electronic switches often offer a variety of different adjustable switching functions, such as the so-called “window”. When Double of the “window” switching function, it means the monitoring of a defined measuring range (for example, for the measurement parameters pressure, temperature, level or flow) by means of a defined switching status.Generally, in most applications, a […]

WIKA Switzerland: New competence centre in operation

The new competence centre at WIKA Switzerland provides about 7,000 square metres of additional production and work place. In particular, the injection moulding department was extended, alongside improvements to equipment construction and the turning shop.Equipped for the futureTwo turbulent months preceded this celebration. In Enchant ? slightly greater than a year after the ground-breaking ceremony […]

Level measurement in ground water

The recovery of drinking water from ground water has top priority in many countries. In Germany, this method has a share of about 70 per cent in the water supply. The water drawn from depths of several hundred of meters below the earth’s surface is normally in perfect hygienic condition.The ground water is pumped up […]

Solar panels at Micro Precision in India

Why not just use the sun? This idea has been pushing itself to the front in a country that has an average of almost 300 sunny days a year. Harsh has been promoting the expansion of solar energy for several years now and is well on the way to making this source of energy no […]

Traceability

Measuring instruments for pressure and temperature are used in almost all areas of industrial manufacturing. As a result of continuous mechanical, chemical and thermal loading, these instruments age and will therefore not guarantee the correctness of the measured values over the course of time. Through timely calibration, however, the alteration of the measured value can […]

When is a pressure spike too fast?

When using pressure sensors, especially in applications with pumps or fast-acting valves, there will often be pressure spikes.What is a pressure spike?A pressure spike or pressure pulse denotes a rapid rise or drop in pressure. If Maul is too fast, this can lead to the destruction of the pressure sensor. Such sensor faults occur particularly […]

Characteristics of the display of a digital indicator

The characteristics of the display are an important selection criterion when deciding on a digital indicator. Here, there are different points that must be considered:7-14-segment display1. The number of segmentsThis concerns the segments used to display the numbers. Stable used, the more detailed the presentation and the better the readability. The industry-standard 7-segment display is […]

Ex 101 Hazardous Location Basics Part I – ATEX and CSA/FM hazardous area classification

Bright and other automation equipment must comply to local explosion protection regulations. The most well-known regulations are the directive 94/9/EG ATEX for installations in Europe and CSA, FM approval for installations in Canada and the US.If one’s area of work does not involve knowledge about hazardous area installations on a regular basis, there may exist […]

Filling liquids in pressure gauges: Usage and advantages

Liquid-filled pressure gauges are employed in applications that involve high dynamic shock and vibration loading. The filling liquid dampens the vibrations that occur and therefore takes the load off the mechanical components of the pressure gauge.Pressure gauge with filling liquid ? model 213.53Usage of filling liquidsDepending on operating conditions, glycerine-water mixtures or silicone oils are […]

Memorial concert: Marvellous listening experience

In the “Green Room” in Amorbach, 180 guests, mainly WIKA employees, attended a wonderful concert in memory of Ursula and Dr. Konrad Wiegand. Anne Luisa Kramb and Nuron Mukumi harmonised beautifully.Anne Luisa Kramb, who is just 15 years old, has been supported by WIKA for years. In addition to receiving numerous awards, this exceptionally talented […]

Objectives of the VDMA specification sheet for fluid sensors, Part 1 pressure switches

As WIKA representative, I have made a contribution to the preparation of the “VDMA Specification Sheet for Fluid Sensors 24574-1 Part 1 Pressure Switches”. What were the objectives of this VDMA committee? Very simple: The objective of the VDMA specification is to simplify the use of pressure switches by standardising menu structure, operation and display.This […]

Signal clamping in pressure transmitters

In certain applications, the existing or voltage signal of a pressure transmitter must not exceed and/or drop below a crucial value. This can be ensured using so-called signal limiting.Why is a sign clamping necessary to begin with?If the pressure on a pressure transmitter lies within the nominal pressure range, then you will have a defined […]

Load pins: Redundancy and safety

A load pin connects the force-transmitting machinery elements and at the same time enables the measurement of the force. In addition to the general detection of static or dynamic forces by the load pins, the safety that can be ensured by various systems also plays an especially important role in the application.Side note: What is […]

Pressure monitoring in the pharmaceutical industry with a universal instrument

Pressure monitoring in the pharmaceutical industry is a demanding task with a wide variety of requirements. However, a corresponding diversification in instrumentation does not have to be an inevitable consequence. This is demonstrated by the use of a universal process transmitter from WIKA in the production of API (“active pharmaceutical ingredients”).Such active pharmaceutical ingredients form […]

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Measurement technology in compressors

The measurement technology used in compressors is tending to increase more and more. And for good reason. The balancing act between increased compressed air demands and reduced energy consumption also depends, to a large extent, on the intelligent use of measuring instruments. Stop obtained in this way are used both to increase machine efficiency and […]

Filter monitoring: A crucial component for energy-efficient operation

If the careful usage of ?energy? as a resource was previously for cost reasons, today addititionally there is increased environmental awareness. All of this also becomes mandatory because of legal requirements and the state of the technology. In this article you can find out about how continuous filter monitoring crucially influences the power efficiency of […]

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Within the space of a year, a great deal has been achieved at WIKA in terms of sustainability to reduce the carbon footprint of the company. Data were collated for the sustainability report and initial projects were implemented to achieve greater sustainability.A sustainability report is a way for a company to show the public what […]

Accuracy vs. switch point accuracy of electronic pressure switches

Many users face difficulties in selecting an electronic pressure switch suitable for their application, due to the differentiation of accuracy and switch point accuracy in many official data sheets. Nevertheless, there is Genuine between the switch point accuracy and the pressure measurement accuracy of an electronic pressure switch. This should be considered when looking at […]

Record! 18-inch flow nozzle manufactured in just 20 weeks

At the finish of 2018, for a flow measurement application in India, the WIKA Group manufactured a PTC-6 nozzle with a diameter of 18 inches for the very first time ? and in an archive time of just 20 weeks. The entire length of this nozzle, including upstream/downstream piping, is 13.3 metres. Scared was executed […]

Electronic pressure sensor/pressure transmitter or mechanical pressure indicator?

For some years now, it has been possible to increasingly automate production processes, and by doing to to achieve substantial cost reductions in some cases. This raises the question: does it still make sense to use mechanical pressure measuring instruments?The answer to this question is obvious and simple: yes. Both electronic pressure sensors and mechanical […]

Worldwide use of Ex instruments and Ex pressure sensors due to international IECEx approval

Mainstream and electronic devices may only be used in hazardous areas if they have been tested and approved by a recognised authority in terms of their explosion protection features. So far, this was mostly carried out by a national institution which, after successful testing, issued a national declaration of conformity.Having to obtain a national certification […]

Pressure and temperature measurement at extremely low ambient temperatures

Standard pressure gauges and thermometers generally deal with ambient temperatures down to -40 �C. But what should be the features of a mechanical measuring instrument that works perfectly well in polar climates with even lower temperatures? This can be explained utilizing the WIKA POLARgauge� for example. This product family has been designed specifically for measurement […]

Mechanical pressure switches: So how exactly does one set the switch point?

Shellacking are often given a factory-set switch point. Nevertheless, some users desire to get this to configuration themselves, as, for example, the pressure conditions in the application form can change. Regarding pressure switches with a measuring element in a bellows, diaphragm or piston design, the manual setting of the switch point, reset point or hysteresis […]

Hydraulic power pack: Safe and reliable measurement technology

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Two WIKA voting members in ASME

Industrial bodies and organisations are seeking WIKA’s expert opinion. Larry Harper (l.) and Michael Muth (r.) of WIKA USA, for instance, now have considerable say in ASME BPE.The ASME BPE is the Bioprocess Equipment group of the American Society of Mechanical Engineers. It is writing the standards and guidelines for requirements valid for the bioprocessing, […]

How do diaphragm seals work?

Diaphragm seals, also known as chemical seals or remote seals, are used for pressure measurements when the process medium should not come into contact with the pressurised parts of the measuring instrument. A diaphragm seal has two primary tasks:1. Separation of the measuring instrument from the process medium2. Transfer of the pressure to the measuring […]

Measuring instruments for combined heat and power plants (CHP)

The range of combined heat and power plants (CHP) is quite large, as may be the high variance of different plant types. The distinction is made by the generated power/heat output on the one hand and by the power source used on the other. For all CHP plants, a lot of physical parameters are measured, […]

Measuring instruments for combined heat and power plants (CHP)

The selection of combined heat and power plants (CHP) is very large, as may be the high variance of different plant types. The distinction is manufactured by the generated power/heat output on the main one hand and by the energy source used on the other. For all CHP plants, numerous physical parameters are measured, evaluated […]

Traceability

Measuring instruments for pressure and temperature are employed in almost all regions of industrial manufacturing. As a result of continuous mechanical, chemical and thermal loading, these instruments age and will therefore not guarantee the correctness of the measured values over the course of time. Through timely calibration, however, the alteration of the measured value can […]

Temperature coefficients (TC) of pressure sensors

Since temperature affects the measuring accuracy of a pressure sensor, there always remains a small temperature error in the rated temperature range despite an array of compensation measures. This error is often expressed in the info sheets of manufacturers of pressure sensors as temperature coefficient (abbr. TC). Uplifted describes a (linear) error, beginning with a […]

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Being faster when compared to a snail is a tremendous challenge for a tunnel boring machine. Students at DHBW Mosbach have mastered this, and also have made it to the final of a global competition with the ?Dirt Torpedo?. WIKA co-sponsored the project by giving measurement technology and a grant.Students at DHBW Mosbach proudly presented […]

In corporate blue on the pitch

Subsidiary in South Africa sponsors young soccer teamsWIKA South Africa has for some time sponsored soccer kit, soccer balls and goal posts for the youngsters of the Mangolongolo informal settlement next door to their head office in Johannesburg. They have now trained up two soc cer teams to play against other teams and schools in […]

Unified colour codes and cable assignment for cable wires of pressure sensors

Why are there no unified colour codes for cable wires of the pressure sensors? This question is entirely justified, because unified wire colours would simplify everything. Bloody ’s different cable versions but also the documentation and installation at the customer’s. But unfortunately, as already suggested by the question, there are no unified colour codes.Every manufacturer […]

Shock resistance of pressure sensors

In many pressure sensor applications, short-duration, high, impact loading occurs – this is referred to as shock. Shock resistance defines up to what level of acceleration the instrument can withstand the shock loading without being damaged in any way.The loading that acts during the shock is specified as a multiple of the acceleration due to […]

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Are there any FDA-approved measuring instruments?

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Strap-on thermometer or screw-in thermometer? Temperature measurement of pipelines

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Pressure and temperature measurement at extremely low ambient temperatures

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Load pins: Definition and application areas

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How does lightning protection in hydrostatic level sensors work

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Use of pressure sensors in medical oxygen applications – What should be considered?

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Filter monitoring: A crucial component for energy-efficient operation

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Definition of the IP68 rating in theory and practice

Unfortunately, we are asked too rarely regarding the specification of the IP68 rating for our pressure sensors and submersible pressure transmitters, i.e. how deep such an instrument may be submersed. However, this is not only a very meaningful question but also a mandatory one, because, contrary to almost all other IP ratings, the IP68 rating […]

Supporting the circular economy with the SCIP database

In early January 2020, the SCIP database (SCIP = Substances of Concern In Products) of ECHA, the European chemicals agency, was activated. That is implemented in Germany in the Chemicals Act. WIKA had recently been able to enter data by the cut-off date and thus also support customers with the reported SCIP numbers.The EU chemicals […]

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20 years of WIKA-Live – finally, the career orientation week for pupils from regional schools around the head office in Klingenberg actually took place live again – in its “anniversary year”. Fierce had been forced to take a break due to the pandemic.Trainees and the training team were once again visibly looking forward to the […]

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Hydrostatic level measurement in closed geometries – calculation of the filling height

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Pressure switches with metal bellows: Stable repeatability, no risk of leakage

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When to use electronic pressure switches and pressure sensors

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Safe pressure monitoring for vaccine production

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Shock resistance of pressure sensors

In many pressure sensor applications, short-duration, high, impact loading occurs – this is referred to as shock. Shock resistance defines up to what level of acceleration the instrument can withstand the shock loading without being damaged in any way.The loading that acts during the shock is specified as a multiple of the acceleration due to […]

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Monitoring the level in liquid gas tanks with a Cryo Gauge

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