内容简介
JJF（鲁）111-2021热源至供热管网热计量装置在线校准规范
Online Calibration Specification ofHeat Metering Device from Heat Source to Heating Network
2021-12-10实施
2021-12-04发布
目 录
引 言..........................................................................................................................................1
1 范围 ..........................................................................................................................................1
2 引用文件....................................................................................................................................1
3 术语和定义................................................................................................................................1
4 概述 ........................................................................................................................................2
4.1 工作原理.................................................................................................................................2
4.2 热量计算.................................................................................................................................2
5 计量特性....................................................................................................................................3
6 校准条件....................................................................................................................................4
6.1 环境条件.................................................................................................................................4
6.2 校准介质条件.........................................................................................................................5
6.3 测量标准与设备.....................................................................................................................5
7 校准项目和校准方法................................................................................................................5
7.1 标准流量计.............................................................................................................................5
7.2 流量传感器.............................................................................................................................7
7.3 配对温度传感器和计算器组合.............................................................................................8
8 校准结果的表达......................................................................................................................11
9 复校时间间隔..........................................................................................................................11
附录 A 校准证书原始记录格式.................................................................. 错误！未定义书签。
附录 B 校准证书内页..............................................................................................................12
附录 C 热源至供热管网热计量装置热在线校准不确定度评定实例..................................14
引 言
本规范依据国家计量技术规范 JJF1071-2010《国家计量校准规范编写规则》,并参考 JJG 225《热能表》、JJF 1001《通用计量术语及定义》、JJF 1004《流量
计量名词术语及定义》、GB/T 32224《热量表》、CJJ/T 55《供热术语标准》及DL/T 904《火力发电厂技术经济指标计算方法》，结合我国热源至次网组合式热计量装置的技术水平和行业现状编制。本规范的主要技术指标与上述标准基本等效。
本规范是首次制定。