Creating a VDE inspection report: Which measured values must be documented?

After a VDE inspection, it is not only important that an electrical installation has been...

Checking the power consumption of individual machines: Finding load peaks and energy wasters

Rising energy costs make it increasingly important for many companies to better understand the power...

Humidity sensor shows incorrect values: The most common causes in industry

If a humidity sensor permanently displays values that are too high, too low or strongly...

Measuring transformers for energy measurement: Why current transformers and measuring devices must match

If an energy meter shows incorrect, too low or even negative values after installation, the...

Connecting a temperature probe with 4–20 mA: when a transmitter is useful

Temperaturfühler wie Pt100, Pt1000 oder Thermoelemente können direkt an eine SPS, Anzeige oder einen Regler...

Gas detector for confined spaces: performing a pre-entry test correctly before entry

Before entering confined spaces, vessels, tanks, shafts, silos or ducts, it must be clarified whether...

Machine testing according to VDE 0113 / EN 60204-1: testing protective conductor, insulation, high voltage and residual voltage

The electrical equipment of machines must be safely designed, tested and documented. For machine builders,...

Process calibrator or simulator: selecting the right calibration device for pressure, Pt100, thermocouple and 4–20 mA

Anyone who wants to check transmitters, sensors, pressure transmitters, temperature probes or PLC inputs quickly...

Thermocouple Type J: evaluating measuring range, connection and typical errors correctly

The thermocouple Type J is a proven temperature sensor for industrial applications. It is often...

Calibrating a 4–20 mA signal: checking transmitters, current loops and PLC inputs correctly

The 4–20 mA signal is one of the most important standard signals in industrial measurement...