Author Archives: Lukas Achtelik
Mercury-free melt pressure sensor: When oil filling or fill-fluid-free technology makes sense
Melt pressure sensors measure pressure directly in the plastic melt. In extrusion lines, injection molding...
Magnetostrictive level transmitter: High-precision level measurement in tanks
When the level in a tank, process vessel or storage tank is not only to...
Measuring surface, air and core temperature: Which probe is suitable?
Temperature is one of the most frequently measured variables in service, laboratory work, HVAC, quality...
Measuring turbine in the test bench: Capturing volume flow quickly and dynamically
In hydraulic test benches, machine test benches and development environments, it is often not enough...
Radiation measuring technology for fire departments and THW: Which devices are useful in the field?
Fire departments, THW and other emergency response organizations need robust, easy-to-understand and reliable radiation measuring...
Pressure transmitter shows 3.6 mA or 21 mA: Interpreting fault current correctly
If a pressure transmitter does not deliver a normal 4–20 mA signal, but permanently outputs...
Choosing the right digital multimeter: Understanding TRMS, CAT category and measuring range
A digital multimeter is one of the most important measuring instruments in electrical service, maintenance,...
4–20 mA signal on the pressure transmitter fluctuates: Cause in the sensor, wiring or process?
If the 4–20 mA signal of a pressure transmitter fluctuates, the fault is often immediately...
Pressure sensor clogged or responding slowly: What to do with viscous, contaminated or crystallizing media?
If a pressure sensor suddenly responds slowly, delivers implausible values or only returns with a...
Zeroing a digital pressure gauge correctly: When is zero adjustment necessary?
If a digital pressure gauge does not show exactly 0.00 bar in a depressurized state,...