Detecting contamination: safely identify alpha, beta and gamma contamination

Contamination by radioactive substances is a central topic in radiation protection. It can occur on...

Melt pressure sensor with mV/V or 4–20 mA: which output signal fits?

Melt pressure sensors and melt pressure transmitters are used in extrusion lines, injection molding machines,...

Bypass level indicators: when a mechanical level indication makes sense

In many process plants, the level of a vessel must not only be available in...

Coriolis flow meter shows unstable values: check gas bubbles, vibration and installation

Coriolis flow meters are among the most accurate measuring instruments for mass flow, density and...

VDE testing in existing installations: correctly assessing old distribution boards, N/PE bridges and modifications

In practice, VDE tests are not only carried out in new, clearly documented installations. Very...

Monitoring refrigerants and SF₆: when an F-gas detector makes sense

Refrigerants and SF₆ are used in very different technical systems, but they have one important...

Checking an installation tester before use: self-check, calibration status and accessories

An installation tester is a central tool for VDE tests, electrical installation tests and recurring...

Using a multimeter in the control cabinet: avoiding typical measurement errors

A digital multimeter is one of the most important measuring instruments in electrical service, maintenance...

Installing vortex flow meters correctly: inlet runs, vibration and minimum flow

Vortex flow meters, also known as vortex shedding flow meters, are robust measuring instruments for...

Calibrating temperature transmitters: checking Pt100, thermocouple and output signal together

Temperature transmitters are a central link between temperature sensor and control system. They convert the...