STS Pressure Measurement – Competence Platform

Are you interested in staying up to date with new developments and reading about fascinating case studies in the world of sensor technology?
With this competence platform, we share our insights with you.

Cabin Pressure Testing

Cabin Pressure Testing

Proper cabin pressure is crucial in the aerospace industry. After all, a pilot rendered unconscious from lack of oxygen will not be overly helpful at the controls of a complex aircraft. Therefore, it falls to the engineers to develop a stellar cabin pressure system...

Pressure measurement on injection molding machines

Pressure measurement on injection molding machines

Injection molding machines operate at the very highest of precision. The Swiss company Netstal-Maschinen AG offers high-performance and high-precision injection molding machines and system solutions for the beverages, packaging and medical technology industries....

Dependable fill-level control in coal mining

Dependable fill-level control in coal mining

Mine workings and opencast pits are well known for their harsh working conditions. This applies equally to the technology deployed. For this reason, durable and reliable measuring instruments are required to monitor groundwater. Ten percent of worldwide coal deposits...

Pressure unlocks Compressed Natural Gas’ potential

Pressure unlocks Compressed Natural Gas’ potential

Thanks to its very high energy density, compressed natural gas (CNG) is well suited for use as an automotive fuel. CNG has an octane number of approximately 120 and combustion heat of 9,000 to 11,000 kcal/ kg or 38 to 47 MJ/ kg. In addition, the combustion of CNG...

Density measurement in gas flow meters

Density measurement in gas flow meters

Gas consumption is calculated using gas meters measuring the flow volume. Since the density of gas, and thus its volume also, is both pressure and temperature dependent, the measured quantity can deviate due to the prevailing  pressure or temperature. The gas volume,...

Oil prospecting below the seabed

Oil prospecting below the seabed

Science has a more accurate picture of the surface of Mars than of the seabed. An exact knowledge of the nature and layout of the ground below water is necessary for a variety of reasons, including shipping safety, research purposes (archaeology, marine studies) and...

The Right Leak Testing Equipment

The Right Leak Testing Equipment

Many applications have components that must be absolutely leakproof to ensure proper operation. Leak tests are commonly carried out with pressure transducers that have to meet high requirements. Applications and components that have to be leakproof are, amongst...

Hydrogen embrittlement in steel

Hydrogen embrittlement in steel

The sensor chip of piezoresistive pressure transducers is usually surrounded by a steel membrane. For the housings of these measuring instruments, stainless steel is also used in most applications. But should contact with hydrogen occur, this material can become...

Landing gear hydraulic pressure testing

Landing gear hydraulic pressure testing

Imagine, you’re a pilot in your own plane, cruising on a beautiful day. You line up your approach to the airstrip and flip the switch to actuate the hydraulics for the landing gear to deploy. Suddenly, a low pressure warning appears and the landing gear won’t deploy....

Pressure measurement technology in tire manufacturing

Pressure measurement technology in tire manufacturing

Every year, over one billion tires are manufactured worldwide. This sector thus counts among the biggest consumers of natural rubber. To give this natural material its correct shape and durability, high pressures and temperatures are necessary. No problem at all with...

MaP sensors are key to clean engine performance

MaP sensors are key to clean engine performance

In the face of ever tightening Global emissions regulations the motor industry has rapidly adopted clean technologies to reduce harmful Greenhouse gases. Critical to the operation of modern clean-burn engines is the precise control of air-fuel ratios (A/F) to...

Measuring the heartbeat of the IC engine

Measuring the heartbeat of the IC engine

As a doctor measures blood pressure to determine the health of a patient, so too, the development engineer measures crankcase pressure to gain an insight into the condition of an engine on the test-bed. Not only does an increase in pressure provide an early indication...

As the “Cool War” hots up, so the pressure increases

As the “Cool War” hots up, so the pressure increases

Sustainable automotive air conditioning has been the subject of a heated debate over the past few years: The debate, nicknamed the “Cool War” has focused on the next-generation refrigerant to be used in car air conditioning. The Alliance for CO2 Solutions and its...

Braking systems work best under pressure

Braking systems work best under pressure

Although some high-end vehicles are moving away from hydraulically activated braking systems to hybrid brake-by-wire versions, most drivers still rely on hydraulic pressure to bring them to a stop. Even though vehicles have been equipped with hydraulic braking systems...

Automatic transmissions thrive under pressure

Automatic transmissions thrive under pressure

Although several attempts were made to design a transmission that selected gears automatically, it wasn’t until 1939 that the engineers at General Motors came up with a satisfactory solution; the device was called HydraMatic, and it was the first fully automatic...

It’s time to rethink engine cooling

It’s time to rethink engine cooling

All internal combustion engines experience significant energy “loss” due to the inefficient conversion of chemical energy into heat and subsequently, kinetic energy. Even a modern F1 engine is relatively wasteful when it comes to converting the power available from...

Manufacturers are feeling the pressure

Manufacturers are feeling the pressure

With emissions regulations set to ratchet up a notch in China, Europe and North America, manufacturers are hard-pressed to optimize every engine component and function to cost effectively meet the new demands. Although engines that are under development have always...

Bringing pressure to bear on the “camless” engine

Bringing pressure to bear on the “camless” engine

Driven by draconian regulations calling for reduced exhaust gas emissions and improved fuel economy, manufacturers are spending a lot of time improving the combustion process: They’ve tried opening the inlet valves early (Referred to as the Miller Cycle), they’ve...

Measuring pressure keeps Li-ion batteries cool

Measuring pressure keeps Li-ion batteries cool

We’ve all seen the video clips of laptops inexplicably bursting into flame, or read about the Chevy Volt that erupted in a blaze weeks after completing a crash-test: Known as ‘thermal runaway’ events, these occurrences in Lithium Ion batteries are not only spectacular...

Going electric steps up the pressure

Going electric steps up the pressure

As the world inches closer to ‘zero emissions,’ transportation engineers are under pressure to come up with creative ways to retain drivers’ confidence in the changing technologies. Take the hydraulic braking system for example: The current hydraulic system is nothing...

Renewable resources: energy storage in offshore applications

Renewable resources: energy storage in offshore applications

Renewable resources are becoming increasingly popular, onshore as well as in large offshore systems. However, there is one considerable problem that is currently restricting the growth of the market: all energy that is being produced, be it by harnessing the power of...

Level loggers monitoring water levels in Venice

Level loggers monitoring water levels in Venice

The Piazza San Marco will never flood: Level data loggers from STS are in use to continuously measure groundwater levels at the Piazza San Marco. These are particularly robust and are also suited for application in various scenarios. In 2003, the company of S.P.G....

Water in spite of drought

Water in spite of drought

Water management experts at the Karlsruhe Institute of Technology (KIT) have constructed a subterranean dam with an integrated hydroelectric plant inside a karst cavern on the Indonesian island of Java. The power station located 100m below ground now provides...

The force of water: Renewable energy from the seas

The force of water: Renewable energy from the seas

The idea of harnessing the force of the seas for energy generation is not a new one. The main challenge lies in developing efficient energy conversion systems that keep costs low whilst barely impacting the environment. A highly promising project termed REWEC3 has...

Hydrostatic level monitoring of tanks on piezoresistive basis

Hydrostatic level monitoring of tanks on piezoresistive basis

Hydrostatic pressure measurement is one of the most reliable and simplest methods for fill level monitoring in liquid-carrying tanks. In the following, we explain how hydrostatic level monitoring works and what users should consider here. In hydrostatic level...

Conductivity measurement in natural waters & other liquids

Conductivity measurement in natural waters & other liquids

When measuring conductivity, various factors have to be taken into account, depending upon the liquid being tested. Particular attention is to be paid to temperature as the major influencing factor. Conductivity is expressed in microsiemens and indicates a substance's...

Fouling as a cause of drift in pressure sensors

Fouling as a cause of drift in pressure sensors

We all know the saying that ‘you can’t make an omelet without breaking eggs’. In the development of new combustion engines specifically, this means that soot particles or oil residue can contaminate the sensors employed. The consequence of such soiling amounts to...

Vibrations: The pressure sensor is also affected

Vibrations: The pressure sensor is also affected

In virtually all applications where compressors, turbines and motors come into play, vibrations are to be found, which also affect measurement sensors. Without appropriate precautions, this can impair the functionality of the pressure transducers employed. The effects...

Basics of flow measurement

Basics of flow measurement

The flow of a gas or liquid is measured for a variety of reasons, certainly including commercial considerations as part of a contract and also in various production processes. The flow or volume flow (volume/time) can be recorded, among other things, by the measured...

Ensuring EMC When Installing Pressure Transmitters

Ensuring EMC When Installing Pressure Transmitters

The term electromagnetic compatibility (EMC) refers to the operation of electrical devices in an electromagnetic environment. Neither should the electromagnetic environment cause interferences in the device nor should the device cause interferences in said...

EMC of Analog and Digital Pressure Transmitters

EMC of Analog and Digital Pressure Transmitters

Regarding electromagnetic compatibility (EMC), the demands of the individual application are decisive: Although we live in the age of digitization, this does not mean that "digital" is always the best solution. This also applies to pressure transmitters. Analog...

Calibration of pressure transmitters

Calibration of pressure transmitters

Because of mechanical, chemical or thermal influences, the precision of a measuring device alters over the course of time. This aging process is normal and cannot be overlooked. It is therefore essential to recognize these alterations in good time by means of...

Total error or accuracy?

Total error or accuracy?

The topic of precision is often the main consideration for end users when purchasing a pressure transmitter. A variety of terminology relevant to accuracy is involved, which we have previously explained here. Accuracy, however, is only a partial aspect of another...

How to select the right pressure sensor?

How to select the right pressure sensor?

Extensive testing is essential in the development of new technology. To achieve reliable results, measurement instruments are required which precisely meet the requirements. We show you which factors play a role here.Pressure range An initial indicator in the search...

Pressure Sensors – Glossary of Terms

  There is a multitude of terms that are commonly used in association with pressure management. These are referenced on the STS datasheets, included in our articles and used throughout the industry in general. While some may be familiar, others might need...