Author Archives: Lukas Achtelik
Scaling Vortex Output Signals: Correctly Evaluating 4–20 mA, Pulse and Totaliser Signals
A Vortex flowmeter often provides several items of information simultaneously. Depending on the version, these...
Selecting a Torque Sensor: Planning the Measuring Shaft, Measuring Flange and Test Bench Correctly
A torque sensor in a test bench is not merely an electrical measuring instrument. It...
Checking and Charging Hydraulic Accumulators with Nitrogen: Using Gas Charging Valves Correctly
Hydropneumatic accumulators perform important functions in hydraulic systems. They store energy, compensate for leakage and...
Shunt Calibration of Melt Pressure Sensors: Understanding the 80% Signal Correctly
Many melt pressure sensors used in extruders, injection-moulding machines and plastics-processing systems have an internal...
Coriolis for Viscous Media: Consider Mass Flow, Pressure Loss and Installation
Highly viscous liquids present particular challenges for flowmeters. Oils, concentrates, resins, paints, pastes and chemical...
Documenting Process Calibrator: Create Test Reports and Calibration Routines Efficiently
During an industrial calibration, the actual measurement often takes only a few minutes. Considerably more...
Diaphragm Seals for High Temperatures: Protecting Cooling Elements, Capillaries and Sensors
High media temperatures are among the most common reasons why a pressure sensor, process transmitter...
Measuring Compressed-Air Flow: Turbine Flow Meter or IVA 521 Thermal Sensor?
Various measuring principles are available for measuring the flow of compressed air and technical gases....
Pt100 with 2, 3 or 4 Wires: How to Avoid Lead-Resistance Errors
A Pt100 measures temperature through its electrical resistance. At 0 °C, the sensor element has...
Mechanical or Electronic Pressure Switch: Differences and Selection
When a customer requests a pressure switch, the required switching point is often the only...