Configuring SIWAREX WP231 for Unstable Loads: Coordinating Digital Filters, Standstill and Dosing Cutoff
During filling, a scale indicates 497 kg, 503 kg, 499 kg and shortly afterwards 505...
Worn Melt Flow Test Die: Recognizing the Impact on MFR/MVR and Repeatability
During a melt flow test, temperature, test load and test time are controlled very carefully....
NTP or PTP for Industrial Measurement Data
A pressure value receives the timestamp 10:24:15.320. A few milliseconds later, another data point reports...
Isolated or Non-Isolated DC/DC Converter: Planning Galvanic Isolation in Sensor and Control Circuits
Stable 24 V DC is often already available in a control cabinet. Nevertheless, it can...
Crest Factor with Nonlinear Loads: Why True RMS Alone Does Not Guarantee Every Current Measurement
When measuring current on variable frequency drives, switched-mode power supplies, chargers, LED power supplies and...
Test Gas Cylinders for Gas Detectors: Selecting the Correct Concentration, Expiry Date and Flow Regulator
A gas detector is connected to a test gas cylinder, the regulator is opened and...
Weighing a Silo During Filling: Correctly Accounting for Material Impact, Vibrations and Settling Time
A silo mounted on load cells initially appears to be a classic static weighing system....
Taking an Oil Sample via MINIMESS: Ensuring the Correct Flush Volume, Cleanliness and Representative Sampling
A laboratory analysis can determine particle count, water content, viscosity, ageing products and wear metals...
Testing a 2-Wire Transmitter with a Process Calibrator: Do Not Confuse Measuring, Simulating and Loop Power
A 2-wire transmitter has only two electrical connection wires. These same two wires supply the...
Magnetic Bypass Level Indicator with Transmitter and Switches: Using Local Indication and Remote Signal Redundantly
A level value may be required at several points within a process plant. The plant...