Iec 612982 Online

IEC 61298-2 (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

Note: A device can be IEC 61298-tested (accurate) but not safe (IEC 61508). Conversely, a safety-certified transmitter can have poor accuracy—but that is usually unacceptable. iec 612982

The standard outlines specific procedures for measuring several critical device characteristics: Accuracy-Related Factors : Includes methods for selecting test ranges, determining hysteresis , and identifying the (the range where input changes don't affect output). Dynamic Behavior : Defines tests for frequency response step response IEC 61298-2 ( Process measurement and control devices

3. Limited digital communication testing

The standard assumes a simple analog output (4–20 mA, 0–10 V). For fieldbus, HART, Profibus, or EtherNet/IP devices, the static tests may require additional interpretation (e.g., digital readback vs. analog output). Scope and Purpose Note: A device can be