UFM Series 6
Q.Sonic-plus
Operation and Maintenance
Non fiscal: There are some paths which are failing;
measurement is no longer suitable for custody transfer.
Contact Elster or your local representative.
No Measurement: all paths are failing. Contact Elster or your
local representative.
Average measured Velocity of Sound of the gas.
Total volume measured in forward direction, while the meter
was in error mode.
Total volume measured in reverse direction, while the meter
was in error mode.
With our optional pressure sensor the live pressure can be
given. If the meter is not equipped with the pressure sensor or
it is not working, a pre-set value will be shown in red.
With the optional temperature sensor the live temperature can
be given. If the meter is not equipped with the temperature
sensor or it is not working, a pre-set value will be shown in red.
This value is calculated from the option temperature and
pressure sensor. If the meter is not equipped with the pressure
and/or pressure sensor or they are not working, a pre-set value
will be shown in red.
This value is calculated from the optional temperature and
pressure sensor. If the meter is not equipped with the pressure
and/or pressure sensor or they are not working, a pre-set value
will be shown in red.
This is the temperature measured in the SPU box on the
mainboard. When the electronics are not equipped with the
temperature sensor or it is not working, a pre-set value will be
shown in red.
Table 4: Meter Diagnostics
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