In the following image, the dashed lines show the acoustic path.
Figure 2 – Cross-Section of a 3-Inch Commercial and Industrial MACH 10
®
The difference between the downstream and upstream transit time—the time it takes for the
signal to travel from one transducer set to the other—is proportional to the flow rate.
The calculated velocity of the water is then converted to volume based on the area of the
measurement section.
Summary
The MACH 10 meter is a transit-time ultrasonic flow meter with wetted transducers. Designed
as an alternative for mechanical meters, the MACH 10 meter utilizes traditional utility pipe
connectors and lay lengths. It is totally self-contained. The C&I MACH 10 battery, processor
circuit, and electronic display are fully potted and housed in a replaceable UME. The UME is
totally self-contained which not only minimizes field maintenance, but also eliminates the
need to remove the main case from service.
Commercial and lndustrial MACH 10
®
Ultrasonic Meter Installation and Maintenance Guide 3
Chapter 1: Product Description
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