DL/T 1400.3-2023
Calibration specifications for transformer testers Part 3: Oil-immersed transformer temperature measurement device (English Version)

Standard No.

DL/T 1400.3-2023

Language

Chinese, Available in English version

Release Date

2023

Published By

Professional Standard - Electricity

Latest

DL/T 1400.3-2023

Replace

DL/T 1400-2015

Scope

This document specifies the measurement characteristics, calibration conditions, calibration items and calibration methods, expression of calibration results, and recalibration time intervals of oil-immersed power transformer (reactor, converter transformer) temperature measurement devices (hereinafter referred to as "temperature measurement devices") requirements, etc. This document is applicable to laboratory calibration and on-site calibration of temperature measurement devices, but is not applicable to the calibration of optical fiber sensor temperature measurement devices.

DL/T 1400.3-2023 history

• 2023 DL/T 1400.3-2023 Calibration specifications for transformer testers Part 3: Oil-immersed transformer temperature measurement device

DL/T 1400.3-2023 Calibration specifications for transformer testers Part 3: Oil-immersed transformer temperature measurement device has been changed from DL/T 1400-2015 Calibration specification for local temperature measuring equipment of oil transformer.