Testing Low-Resistance Protective Earth Connections on Painted Components: Selecting the Correct Contact Point and Test Current
During the electrical safety inspection of an industrial machine, the protective earth connection between the...
Oxygen Measurement in Inerted Vessels: Do Not Confuse Percentage and ppm Ranges
An industrial production vessel is inerted with nitrogen to reduce the oxygen content of its...
Torque Sensor Under Torsional Vibrations: Selecting Bandwidth, Sampling Rate and Averaging Correctly
An industrial drive test bench examines the torque of an electric motor at different rotational...
Permanently Connecting a Pressure Sensor via MINIMESS or Mounting It Directly: Comparing the Advantages and Disadvantages
A pressure sensor monitors the operating pressure of a hydraulic press. It is connected to...
Calibrating Differential Pressure Transmitters Under Static Line Pressure: Realistically Testing Zero Point and Span
A differential pressure transmitter measures a differential pressure of 0 to 250 mbar in an...
TDR Probe with Product Buildup: Identifying Uniform Coating and Bridging as Sources of Measurement Errors
A TDR level transmitter monitors the contents of an industrial storage tank. The measuring point...
Reinstalling Clamp-on Ultrasonic Sensors: Managing Couplant, Sensor Spacing and Repeatability Correctly
A clamp-on ultrasonic flowmeter has been reliably monitoring the volumetric flow rate in an industrial...
Running Thermocouple Cables Alongside Power Cables: Managing Induced Interference and Shielding Correctly
An industrial temperature measuring point indicates a constant 220 °C during normal operation. As soon...
Pressure Gauges with Maximum Pointers: Detecting Pressure Spikes Without Misinterpreting the Maximum Value
A hydraulic power unit normally operates at approximately 110 bar. The installed pressure gauge indicates...
Slow or Fast Depressurization of High-Pressure Hydrogen: Correctly Evaluating Temperature Changes and Measurement Signals
The pressure in a high-pressure hydrogen storage vessel is reduced using a specially designed depressurization...