Job Description:

• 1) 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.

• 2) Fastens one end of pipe to gas main leaving flowmeter and attaches rubber hose to free end of pipe to deflect air currents.

• 3) Sets frame containing manometer instruments on tripod and connects instruments to nipples on pipe and to flowmeter with rubber tubing.

• 4) 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.

• 5) 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.

• 6) Adjusts meters to correct inaccurate readings.

• 7) May change recording charts on gas flowmeters.