Measurement Uncertainty with a Dry Block Calibrator: Considering Stability, Uniformity and Reference Probe Separately
A dry block calibrator can display an almost unchanged temperature for several minutes and still...
Modbus TCP Gateway Overloaded: Correctly Sizing Polling Interval, Number of Connections and Timeout
A Modbus TCP gateway may initially work perfectly after commissioning, but with every additional measuring...
Wiring Melt Pressure Sensor Connectors: Correctly Connecting Signal, Supply and Shielding on Extruders
A melt pressure sensor can be mechanically installed correctly in an extruder and still provide...
Dose Rate Meter at Very High Ambient Dose Rates: Safely Evaluating Overrange, Saturation and Measuring Range Changes
When approaching an unknown radiation source, the indicated dose rate can increase by several orders...
H₂ Pressure Measurement After Depressurization: Correctly Evaluating Permeation and Zero-Point Recovery of the Sensor
A hydrogen pressure sensor may initially indicate a small residual value even after complete depressurization...
Sizing Variable Area Flowmeters for Gases: Correctly Converting Standard Conditions, Operating Pressure and Gas Temperature
A variable area flowmeter can indicate an apparently clear value in a gas line and...
Laboratory Power Supply in CV/CC Operation: Understanding Current Limiting and the Transition Between Constant Voltage and Constant Current
The laboratory power supply is set to 24 V with a current limit of 1.0...
Testing PRCD-S and Portable Personal Protection Switches: Correctly Testing Protective Conductor Monitoring and Tripping Function
A portable personal protection switch can be switched on. The status indicator shows: Ready for...
Differential Pressure Gauges at High Static Pressure: Correctly Evaluating Overload Protection and Zero Point
A filter operates in a process line at: 25 bar operating pressure. However, only: 0...
Adjustable Dial Thermometers: Correctly Setting the Joint, Viewing Angle and Installation Space
A dial thermometer is correctly installed in the pipeline. The stem is positioned in the...