目 录
1 范围·················。。·······································································…… (1)
2 引用文献·.........................................................................................(1)
3 术语··························································································…… (1)
4 概述·····················。·······················。···································。··········一 (2)
4.1 原理··················...··································································…… (2)
4.2 结构·······························································。·······················…… (2)
5 计量性能要求····························。······……‘····································…… (2)
5.1 转换误差····································。·······，····································…… (2)
5.2 密封性···················································································。…… (2)
5.3 总压力损失·...................................................................................(2)
5.4 最大允许误差·................................................................................(2)
6 通用技术要求··············································································…… (3)
6.1 铭牌和标记······························。···············································…… (3)
6.2 外观··························································。······。······，··············…… (3)
6.3 流量范围························································。························…… (3)
6.4 最小分度值……”·············。····························。···························…… (4)
6.5 附加装置对性能影响········································，·························…… (4)
6.6 防爆性能·......................................................................................(4)
6.7 IC卡功能检测 ·…:···································································…… (4)
7 计量器具控制··············································································…… (5)
7.1 检定条件·················································································…… (5)
7.2 检定项目·············································。···································…… (6)
7.3 检定方法·......................................................................................(6)
7.4 检定结果的处理 ········································································…… (10)
7.5 检定周期·················································································…… (10)
附录A 适用介质 ···········································································…… (11)
附录B 检定证书内页格式 ·.................................................................... (12)
附录C 检定结果通知书内页格式 ······················································…… (13)
IC卡膜式燃气表检定规程
本规程是根据国际法制计量组织OIML国际建议COMMITTEE DRAFT OIML CD2 (Gas
meters - Part 1 Requirements)【气体流量计第一部分基本要求」(20(”年草案)和R31 -
1995 (Diaphragm gas meters)(膜式燃气表)，针对国内目前没有相关预付费燃气表检定
规程而制订的北京地区检定规程，在技术指标上与国际建议等效。
本规程为适应当前IC卡膜式燃气表的检定，将其适用范围扩大至电子远传式燃气
表和带IC卡预付费装置的燃气表等。同时参照了建设部行业标准CJ/T 112-2000 SIC卡
家用膜式燃气表》，对带电子附加装置的燃气表增加了机电信号转换计量误差和远传计
量误差等技术要求和试验方法。
由于国家标准GB/T 6968-1997《膜式煤气表》把膜式燃气表分成A, B两个计量等
级 (与国际法制计量组织OIML R31-1995等效)，国内企业也习惯于使用该标准，为了
标准的延续性和符合习惯，本规程依然把IC卡膜式燃气表分成A, B两个计量等级。
其中的B级技术内容等同于OIML 1131的正文标准;A级等效于OIML R31中的附录Ao
这样既适合国情又不妨碍国际通用。
范围
本规程仅适用于带预付费功能的、具有机械计数器与电子计数器双重累计计量方式
的IC卡膜式燃气表 (以下简称 IC卡燃气表)的首次检定、后续检定和使用中检验。
2 引用文献
本规程引用下列文献:
GB/T 6968-1997 膜式煤气表
JJG 577-1994 膜式煤气表
COMMITTEE DRAFT OIML CD2 Gas metes-Part 1 Requirements气体流量计 第一部分
OIML R31-1995 Diaphragm Gas Meter's膜式燃气表
CJ/T 112-2000 IC卡家用膜式燃气表
使用本规程时，注意使用上述引用文献的现行有效版本。
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