Author Archives: Lukas Achtelik
Measuring inrush current: Why fuses trip during start-up
If a fuse or miniature circuit breaker trips exactly when a machine, motor, compressor or...
Avoiding moisture damage in storage areas: Where sensors should really measure
Moisture damage in storage areas rarely occurs evenly throughout the entire warehouse. It often first...
Operating current transformers safely: Why the secondary circuit must never be open
Current transformers are used in electrical installations to convert high currents into a smaller, measurable...
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...