Start Up; Comparing Meter Parameters; Checking Functions Of The Usm - RMG USM GT400 Operating Manual

9 Start Up

9 Start Up
In this chapter you will receive information on start up after installation.
132
Content
9.1

Comparing meter parameters

9.2

Checking functions of the USM

9.3 Reading out speed of sound
9.1 Comparing meter parameters
After installing the meter and completing the electrical connections, the meter
parameters must be compared with the values of the calibration certificate or test
certificate. Example:
• Path lengths
• Axial distances
• Limit values
They are listed in an alphabetical order of their corresponding matrix coordinates
and can be found using the operating display. As an alternative, they can be read
out of the USE09 directly using the operating software RMGView
9.2 Checking functions of the USM
The functions can be checked as soon as the meter is exposed to pressure.
For this purpose, the content of the valid measurements (in %) are checked in the
coordinates L-6 to Q-6. They should be 100% at zero flow and should also not fall
below 70% under difficult flow conditions, for example, with high flow rates.
If the operating pressure is not reached, a functional check is only possible to a
limited extent.
In this case, contact RMG services.
Manual USM GT400 · EN10 · May 2021
132
132
133
USM
.