Gas-meter Prover
Overall rating: (N/A)
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Tests ability of gas meters to accurately measure specified
volume of gas at maximum and average cubic-feet-per-hour
capacity and adjusts meters to correct excessive registration
error: Connects hsoes from prover to meter inlet and outlet and
raises prover bell until prover gauge registers zero.
Turns
valve to allow measured amount of air or gas to pass through
meter at speicfied flow-rate.
Closes valve and compares
registration on meter gauge.
Screws fitting into meter outlet to
retard flow of gas and repeats test. Turns setscrews to adjust
meter and repeats test until meter registration is within
specified lmiits according to prover and meter gas readings.
Analyzes test results to determine cause of persistent
regisrtation errors.
Segregates meters requiring repair.
Records
test results and date on mteer card. May maintain temperature of
oil used as gas seal in prover within specified limits to ensure
accurate and uniform test readings. May test ability of
flowmeters to accurately measure gas and liquid and be
designated Flowmeter Test And Certification Tcehnician (inst.
&
app.).
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Gas-Meter Prover
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