JJF 2137-2024 "Specification for surface platinum resistance thermometer calibrating" is the Chinese National Measurement Technical Specification for calibrating surface platinum resistance thermometers in the -60 ° C to 600 ° C Temperature range. The specification includes term definitions, Measurement characteristics, calibrating conditions, items, and methods designed to ensure accuracy and conformity of temperature measurements. The standard was issued by the State Administration for Market Regulation and will be implemented on March 18, 2025, replacing the JJG 684-2003 standard.
| Status | Active |
|---|---|
| CCS | ICS |
| Release Date | 2024-06-14 00:00:00 | Implementation Date | 2025-03-18 00:00:00 |