DL/T 259-2023
Sulfur hexafluoride gas density relay calibration procedures (English Version)
- Standard No.
- DL/T 259-2023
- Language
- Chinese, Available in English version
- Release Date
- 2023
- Published By
- Professional Standard - Electricity
- Latest
- DL/T 259-2023
- Replace
- DL/T 259-2012
- Scope
- This document specifies the general technical requirements, measurement performance requirements, calibration conditions and calibration methods for pressure-type sulfur hexafluoride (SF6) gas density relays (hereinafter referred to as density relays). This document is applicable to on-site calibration and laboratory calibration of spring tube or bellows pressure type density relays that are newly manufactured, in use and after maintenance.
DL/T 259-2023 history
- 2023 DL/T 259-2023 Sulfur hexafluoride gas density relay calibration procedures
- 2012 DL/T 259-2012 Calibration regulation for SF6 gas density monitor
