PCE Health and Fitness TDS 75 User Manual page 27

Ultrasonic flow meter
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This method is not frequently used.
The zero point should only be
adjusted when all other methods do
not lead to a solution. Manually enter
the value you wish to add to the
measured value to obtain the actual
value.
For example
Actual measured value =240 m
3
/h
Value deviation =250 m
3
/h
Flow meter display =250 m
3
/h
Normally, the value is set to "0". Use
"↑" and "↓" to toggle.
M23
Counter
Select the counter type
0. POS (positive counter)
1. NEG (negative counter)
2. NET
Select the value of the flow totalizer
that you want to reset to 0.
0. POS positive counter
1. NEG negative counter
2. NET
3. All
M25
Power-off-compensation
The automatic power-off
compensation switch feature allows
the flow rate lost in an offline session
to be estimated and automatically
adjusted. The estimate is based on
the average of the flow rate before
the offline session and the measured
flow rate after the next online
session, multiplied by the time the
meter was offline. Select "ON" to use
this feature; select "OFF" to not use
this feature.
© PCE Instruments
23

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