N20 - Electrical instrument and meter in general

GB/T 46823-2025 in English

Transitions, pulses and related waveforms—Terms, definitions and algorithms

VALID

Issued on:2025-12-31 | Implemented on:2026-07-01

GB/Z 140-2025 in English

Cybersecurity aspects of devices used for power metering and monitoring, power quality monitoring, data collection and analysis

VALID

Issued on:2025-12-03 | Implemented on:2025-12-03

DL/T 2893-2025 in English

General Technical Specifications for the Detection System of Non-Intrusive Load Monitoring Devices for Electric Power Users

VALID

Issued on:2025-06-30 | Implemented on:2025-12-30

GB/T 18216.12-2025 in English

Electrical safety in low voltage distribution systems up to 1000V AC and 1500V DC—Equipment for testing, measuring or monitoring of protective measures—Part 12: Power metering and monitoring devices (PMD)

VALID

Issued on:2025-01-24 | Implemented on:2025-08-01

GB/T 18216.11-2024 in English

Electrical safety in low voltage distribution systems up to 1000V AC and 1500V DC—Equipment for testing, measuring or monitoring of protective measures—Part 11: Effectiveness of residual current monitors（RCM）in TT, TN and IT systems

VALID

Issued on:2024-12-31 | Implemented on:2025-07-01

DB15/T 3739-2024 in English

Technical specification for online evaluation of power transformer operating status

VALID

Issued on:2024-11-29 | Implemented on:2024-12-29

GB/T 42125.3-2024 in English

Safety requirements for electrical equipment for measurement, control and laboratory use—Part 3: Particular requirements for refrigerating equipment

TO BE VALID

Issued on:2024-10-26 | Implemented on:2026-11-01

GB/T 18216.7-2024 in English

Electrical safety in low voltage distribution systems up to 1000V a.c. and 1500V d.c.—Equipment for testing, measuring or monitoring of protective measures—Part 7: Phase sequence

VALID

Issued on:2024-07-24 | Implemented on:2025-02-01

DB1304/T 458-2024 in English

VALID

Issued on:2024-06-12 | Implemented on:2024-06-20

DB1304/T 459-2024 in English

VALID

Issued on:2024-06-12 | Implemented on:2024-06-20