Over the past 30 years, gas ultrasonic meters have transitioned from the engineering lab to wide commercial use as the primary device of choice to measure gas volume for fiscal accounting. Wide acceptance and use by gas
pipeline companies has occurred during this time due to the device’s
 Reliability
 Accuracy
 Repeatability
 Capacity (rangeability)
 Commercial availability that translates into product support, and
 Adoption of industry standards for fiscal measurement applications