GB/T 18604-2001用气体超声流量计测量天然气流量.pdf
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ICS75.180.30
E 98 臀}\IIi
中 华 人 民 共 和 国 国 家 标 准
Gs/T18604-2001
用气体超声流量计测量天然气流量
Measurementofnaturalgasflowbyultrasonicflowmeter
2001一12一30发布 2002一08一01实施
人 民 共 和 国 发 布
量 监 督检 验 检 疫 总 局
cB/T18604一~2001
目 次
pa舀 ·······································································································。··········…… 工
1 范围 ···················································································..··························…… 1
2 引用标 准 ······，··································································································…… 1
3 术语和符号 ······························································。·······································…… 1
4 测量原理 ····················。····················································································…… 4
5 工作条件 ··························································································。··············…… 4
6 测量性能要求 ··························································································。···。····…… 5
7 流量计要求 。·····································································································…… 6
8 安装要求及维护 ···················································。··················。··.·..·..·.·······..·...…… 9
9 现场验证测试要求 ·····························································……，..···········..·..·..·...…… 10
10 流量计算方法及测量不确定度估算 ······。····························，······……。.·..·.······.·..·..·…… 11
附录A(标准的附录) 出厂测试要求 ········································································…… 14
附录B(标准的附录) 电子部件的检验测试 ·······························································…… 15
附录C(标准的附录夕 实流校准 ································
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