Author Archives: Lukas Achtelik
Radar Level Measurement Interference Echoes: Eliminating Phantom Levels Caused by Nozzles and Internal Fittings
A radar level sensor can operate perfectly from an electrical perspective and still indicate an...
Operating a Piston Gauge Correctly: Avoiding Errors Caused by Piston Rotation, Contamination and Temperature
Piston gauges – also known as pressure balances or deadweight testers – are among the...
Pressure Measurement During Hydrogen Refuelling: Correctly Assessing Rapid Pressure Rises and Sensor Response Time
During hydrogen refuelling, the pressure does not rise slowly and uniformly to a static final...
Modbus Measuring Instrument Displays Incorrect Values: Check the Register Address, Data Type and Byte Order
The Modbus communication is established, the measuring instrument responds without an error message, yet the...
Removing a Melt Pressure Sensor from Solidified Polymer: Protecting the Diaphragm and Thread from Damage
After an extruder has cooled down, a melt pressure sensor can often no longer be...
Gas Detection System with Fail-Safe Relays: Correctly Programming Normally Energised Operation, Latching and Acknowledgement
A fixed gas detection system must do more than detect an elevated gas concentration. It...
Sizing a Thermowell for Temperature Sensors: Correctly Assessing Insertion Depth, Flow and Vibration Failure
A thermowell separates the temperature sensor from the process medium. It protects the sensing element...
Pressure Gauges on Pulsating Pumps: Selecting the Correct Damping, Snubber and Case Filling
If the pointer of a pressure gauge vibrates heavily, oscillates across a large part of...
SIWAREX Weighing Electronics: Correctly Integrating Load Cells into SIMATIC and PLC Systems
A load cell does not yet provide a weight value that can be used directly...
Measuring Hydrogen Flow: Correctly Assessing Mass Flow, Pressure and Temperature
For hydrogen, specifying a flow value alone is often insufficient. A value of 100 m³/h...