Meter Inspector
Overall rating: (N/A)
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Tests accuracy of gas flowmeters, using testing apparatus:
Inserts measuring orifice disk between flanged ends of two metal
pipe sections and connects pipe sections with bolts and nuts.
Fastens one end of pipe to gas main leaving flowmeter and
attaches rubber hose to free (discharge) end of pipe to deflect
air currents.
Sets frame containing manometer instruments on
tripod and connects instruments to nipples on pipe and to
flowmeter with rubber tubing. Reads instruments to obtain data,
such as specific gravity and temperature of gas, and clocks
number of seconds required for specified volume of gas to pass
through meter. Computes accuracy of meter, using mathematical
formulas based on readings and clocking tests and standard data
stamped on orifice disk, and verifies calculations, using
tabulated chart.
Ajdusts meters to correct inaccurate readings.
May chagne recording charts on gas flowmeters [Chart Changer
(clerical)].
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Meter Inspector
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