Author Archives: Lukas Achtelik
Setting the measuring interval correctly on a temperature data logger
A temperature data logger is only truly meaningful if the measuring interval matches the application....
Testing RCD/FI switches: Correctly measuring tripping time and tripping current
FI switches, now usually referred to as RCDs, are among the most important protective devices...
Detecting phase loss or unbalanced load: Current measurement in three-phase systems
In three-phase systems, the currents on the phase conductors L1, L2 and L3 should match...
Moisture in the control cabinet: Why electronics can fail despite IP protection
A control cabinet may appear sealed from the outside and still develop moisture problems inside....
Retrofitting current transformers: How to measure currents without modifying the system
In many existing systems, currents need to be recorded retrospectively. The reason is often very...
Thermocouple responds too slowly: Correctly evaluating installation position, thermowell and response time
If a thermocouple appears to deliver incorrect values, the cause is not always faulty calibration...
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...