"Vibration," Elias said, typing the command to isolate the affected unit. "The new flow transducer in Sector 7."
( Process measurement and control devices – General methods and procedures for evaluating performance – Part 2: Tests under reference conditions ) is a key international standard for assessing industrial instrumentation. It establishes rigorous, standardized methods to evaluate the accuracy and functionality of both analog and digital devices (sensors, actuators) under stable reference conditions. 1. Scope and Purpose
To execute a valid IEC 61298-2 evaluation, tests must be performed in a highly controlled laboratory environment. Standard Reference Conditions
is essential for ensuring that process measurement and control devices perform accurately and reliably. By standardizing the testing procedures under reference conditions, it provides a consistent, trusted method for validating the performance of instruments in industrial applications. iec 612982
He pulled a spare bracket from his kit—military-grade steel, meant for older, heavier models. It wouldn't fit perfectly, but Elias was an engineer of the old school. He machined a shim on the spot, his hands moving with practiced ease, re-drilling the housing to accept the stronger support.
Guidelines on how to measure the performance of optical amplifiers accurately.
If you need help identifying if your specific,, requires testing per IEC 61298-2 or IEC 61298-3 , or if you need assistance determining the accuracy class required for your specific industrial application, please IEC 61298-2:2008 "Vibration," Elias said, typing the command to isolate
This standard is applicable to both analog and digital devices that have defined input/output relationships and transfer functions. It provides a standardized framework that manufacturers, testing laboratories, and quality controllers can use to verify that equipment meets its claimed performance specifications. Scope and Applicability
The largest positive or negative difference between a measured value and the average upscale or downscale value at measurement points.
When he arrived at Sector 7, the offending unit was easy to spot. It was the "Smart-Delta" flow meter, a prototype the company had installed to save money. It looked sleek, encased in shiny polymer, unlike the cast-iron tanks surrounding it. 5. Dead Band
An evaluation is incomplete without documentation that meets the standard's transparency rules. Test certificates must include:
Applies to both analogue and digital devices that are characterized by specific input and output variables.
The same input values are applied multiple times consecutively from the same direction. This measures the device’s ability to reproduce identical output readings under unvarying conditions. 3. Hysteresis Evaluation
Most industrial instruments strive for a linear relationship between the process variable (input) and the telemetry signal (output, such as 4-20mA or digital packets). IEC 61298-2 evaluates how close the actual performance curve matches a straight reference line. 5. Dead Band