ONLINE LOW-FLOW HIGH-PRECISION GAS METERING SYSTEMS

被引:24
作者
GUWY, AJ
HAWKES, DL
HAWKES, FR
机构
[1] UNIV GLAMORGAN,SCH APPL SCI,PONTYPRIDD CF37 1DL,M GLAM,WALES
[2] UNIV GLAMORGAN,DEPT MECH & MFG ENGN,PONTYPRIDD CF37 1DL,M GLAM,WALES
关键词
LOW GAS FLOW; HIGH SENSITIVITY GAS METER; PRESSURE TRANSDUCER;
D O I
10.1016/0043-1354(94)00208-O
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The paper describes a high precision gas meter suitable for low rates of flow (< 5 cm(3) min(-1)) which can be interfaced with data acquisition software for continuous on-line measurement. The meter used the highly sensitive pressure transducers currently available, operated with a very small back pressure, and had an accuracy around 0.5%. A frequency to voltage converter was developed and built into the gas meter. This allowed direct connection to a data logger/computer without prior computation.
引用
收藏
页码:977 / 979
页数:3
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