GB/T 30500-2014
ActiveUltrasonic gas flow meter performance online audit―Method using speed of sound checking
气体超声流量计使用中检验 声速检验法
Application Summary AI generated
This standard specifies a method for the online performance audit of ultrasonic gas flow meters by comparing the measured speed of sound against a calculated reference value. It is applied in the petroleum and natural gas industry for verifying the accuracy of custody transfer and process flow measurements without removing the meter from service. The method is used during routine field inspections to detect meter drift or faults, ensuring reliable billing and operational data.
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