AZ Department of Agriculture

Weights and Measures Services Division


Master Meter Program

The BasicsĀ  A Master Meter is a simple flow meter. It is designed to test the calibration of LPG devices. A Master Meter is an LPG meter stripped of the vapor-eliminator and differential valve...


Brian Sellers State Metrologist

STATE METROLOGY LABORATORY The State Metrology Laboratory is the custodian of the measurement standards for the state of Arizona. These standards serve as the basis for assuring equity in the...