Standard No.:	DB31/T 748-2026
English Name:	Calculation methods of refund quantity for water|| electricity and gas metering fault
Chinese Name:	水电气计量差错的退补量核算方法
Chinese Classification:	F01    Technical management
Professional Classification:	DB    Provincial Standard
Source Content Issued by:	Shanghai Municipal Administration for Market Regulation
Issued on:	2026-05-01
Implemented on:	2026-8-1
Status:	to be valid
Superseding:	DB31/T 748-2013 Accounting methods of the compensation of the electrical energy meteringon fault DB31/T 1148-2019 Calculation methods of refund quantity for water metering fault DB31/T 1149-2019 Calculation methods of refund quantity for gas metering fault
Target Language:	English
File Format:	PDF
Word Count:	21500 words
Translation Price(USD):	645.0
Delivery:	via email in 1~8 business day

本文件规定了水电气计量差错的归类、差错值的确定、差错量的核定和退补量的核算方法。
本文件适用于直接与公共供水企业（以下简称供水企业）进行贸易结算的水量计量装置发生计量差错时退补水量的核算，参比频率为 50 Hz、电压等级为 220 V～500 kV 与电网企业直接贸易结算的电能计量装置发生计量差错时退补电量（有功）的核算，以及直接与供气企业贸易结算的燃气计量装置[工作压力不大于 0.4 MPa（表压）的城市管道燃气]发生计量差错退补气量的核算。
水电气计量装置发生非正常计量或其他计量差错时，退补量的核算可参照本文件执行。