Standard No.:	GB/T 778.2-2018
English Name:	Meters for cold potable water and hot water—Part 2:Test methods
Chinese Name:	饮用冷水水表和热水水表 第2部分：试验方法
Chinese Classification:	N12    Flow capacity and material level instrument
Professional Classification:	GB    National Standard
ICS Classification:	91.140.60 91.140.60    Water supply systems 91.140.60
Issued by:	SAMR; SAC
Issued on:	2018-06-07
Implemented on:	2019-1-1
Status:	valid
Superseding:	GB/T 778.3-2007 Measurement of water flow in fully charged closed conduits - Meters for cold potable water and hot water - Part 3: Test methods and equipment
Language:	English
File Format:	PDF
Word Count:	41000 words
Price(USD):	1230.00
Delivery:	via email in 1~10 business day

GB/T 778的本部分规定了完整水表和作为独立单元的水表测量传感器（包括流量或体积检测元件）以及计算器（包括指示装置）的试验要求。
本部分适用于GB/T 778.1定义的饮用冷水水表和热水水表的型式评价试验和首次检定试验。
本部分给出了水表型式评价试验和首次检定试验的详细试验程序、试验原则、试验设备和试验方法。
如果国家法规有要求，本部分也适用于辅助装置。