Galvanically Isolated DC/DC Converters: Safely Separating Ground Potentials
Two circuits can both operate at 24 V DC and still have different ground potentials...
Calibrating a Belt Scale: Correctly Recording Zero Point, Belt Speed and Test Load
A belt scale can only provide reproducible flow-rate and totalized quantity values when the weighbridge,...
Designing Reed Level Transmitters: Selecting Resolution and Float Magnet Correctly
A reed level transmitter can measure liquid level reliably and continuously when the float, magnet,...
Power Supply Derating in Control Cabinets: Planning Temperature Reserves Correctly
A switching power supply can deliver its rated power without any problems in an air-conditioned...
Monitoring Mains Frequency: Recording Underfrequency and Overfrequency Events Correctly
For troubleshooting, the mains frequency must therefore not only be measured instantaneously, but recorded over...
Scaling a 4–20 mA Digital Indicator: Displaying the Process Value Correctly
When configuring a 4–20 mA digital indicator, the input signal, lower and upper display value,...
Measuring Transformer Winding Resistance: Applying Temperature Correction Correctly
After the DC test current is switched on, it may therefore take some time for...
Connecting Laboratory Power Supplies in Parallel or Series: Observe Limits and Protection
An obvious solution is therefore to combine two power supply outputs. There are basically two...
Testing Welding Equipment in Accordance with DIN EN IEC 60974-4: Performing Measurements Correctly
An arc welding machine is electrically significantly more complex than many conventional portable electrical appliances....
S3 Safety Pressure Gauges: Selecting the Correct Solid Front and Blow-Out Direction
A pressure gauge is installed directly on a pressure line and is regularly read by...