Testing wallboxes and charging stations: Which measurements are important for EVSE systems

Wallboxes and AC charging stations are now part of the electrical infrastructure in many companies,...

Gas detector for methane, CO₂, VOC or refrigerants: Which sensor technology is suitable?

A gas detector is not just a gas detector. In practice, users often search for...

Digital multimeter with current clamp: Measuring current without disconnecting the cable

Current measurements are among the most common tasks in service, maintenance, control cabinet construction and...

Gauge pressure, absolute pressure or differential pressure: Which pressure transmitter do I need?

When selecting a pressure transmitter, the first questions are often about measuring range, output signal...

Ceramic, piezoresistive or thin-film pressure sensors: Which technology fits?

A pressure sensor is not just a pressure sensor. Even if two devices look similar...

Calibrating a digital pressure gauge or just checking it? What users should know

Digital pressure gauges are frequently used as reference or control instruments in industry, maintenance, service,...

Measuring loop impedance: How to check whether protective devices disconnect safely

If a fault occurs between a phase conductor and the protective conductor in an electrical...

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...