Motor running in the wrong direction: Correctly checking phase rotation with a voltage tester

If a three-phase motor suddenly runs in the wrong direction after installation, the cause is...

Heat and energy measurement with ultrasound: Correctly recording flow, temperature and energy

If you want to reliably record heat or cooling energy, you have to measure more...

Digital multimeters for hazardous areas: When an intrinsically safe multimeter is required

In hazardous areas, electrical measurements must not be carried out with just any measuring instrument....

4–20 mA, 0–10 V or HART: Which output signal makes sense for a pressure transmitter?

When selecting a pressure transmitter, it is not only the measuring range, accuracy, process connection...

Pressure sensors in hydraulic systems: What should you pay attention to?

Hydraulic systems often operate with high pressures, rapid pressure changes and strong mechanical loads. Whether...

Setting and checking pressure switches with a digital pressure gauge

Pressure switches are used in many industrial systems to switch pumps, compressors, hydraulic systems, compressed...

Identifying temperature problems in machines: Data loggers as a troubleshooting aid

When a machine, control cabinet, hydraulic unit or drive becomes too warm irregularly, the cause...

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...