A professional who reconditions, tests, and calibrates positive displacement gas meters, using handtools and test equipment. Responsibilities include:

• Dismantles gas metre case, diaphragm assembly, and connecting rods, using soldering iron and handtools.
• Positions and solders diaphragm and diaphragm rings in dismantled metre case.
• Inserts and solders flow-control valves in place, using soldering iron and guide wires.
• Moves shaft connected to valve to test freedom of movement.
• Adjusts shaft, using pliers, or resolders shaft to correct defective operation.
• Solders index assembly in position and connects assembly to activating mechanism.
• Moves activating arms to extreme extension to test freedom of movement.
• Adjusts valve mechanism to calibrate metre registration in accordance with public utilities commission specifications.
• Repositions and resolders connecting rods to provide sufficient clearance.
• Resolders case seams to seal meter.
• Attaches airhose at metre inlet to pressurise metre and test ability to register passage of low air volume.
• Attaches pressurised metre to fixture which submerges metre under water to test for leaks.
• May inspect, repair, and maintain gas metres used to measure volume of natural gas flowing from producing wells to processing plant and be designated field operator.