10
G Operating instructions digital oval gear meter
Accidental pressing of the RESET and/or TOTAL buttons does not have any eect in this state.
Tip
Reset Total and absolute total (TOTAL) are not shown in this mode. However, the values
nevertheless go up, of course. You can check after you‘re nished. Wait for the default standby
mode and press TOTAL shortly.
5.2.1 Resetting partial volumes
In order to reset the partial volume register, you must rst complete the output of liquid. Wait until the
display shows a ow rate of 0.0 (see g.). Then press the RESET button shortly.
The eect is dierent from what you would have if you press Reset in default standby mode. There is no
phase where all the segments are rst switched on and then o again. Instead, the register will display the
reset partial volume immediately.
6. Calibration
6.1 Denition
Calibration factor -> „K FACTOR“:
That‘s the multiplication factor the system ascribes to the electronic pulses it receives in order to convert
them into a plain unit of measurement.
FACTORY K FACTOR: Calibration (default) factor pre-set at the factory. Factory K Factor = 1000.
This calibration factor guarantees the highest degree of precision under the following operating
conditions:
Liquid Engine oil type 10 W-30
Temperature 20 °C
Flow rate 2-20 l/min
You can always return to the original Factory K Factor even after you have changed the value. The
procedure is simple.
USER K FACTOR: That‘s the calibration factor the user has set to adapt the meter to specic
requirements (i.e. the user has carried out a calibration procedure).
6.2 Why calibrate the meter?
The oval gear meter comes to you with a calibration factor pre-set at the factory that will guarantee the
most precise measurements under most operating conditions.
However there may be cases when it is advisable to calibrate the meter under the actual operating
conditions, for example in extreme operating conditions :
liquids having a viscosity close to the admissible limits (e.g. antifreeze with low viscosity, high-viscosity
oils for gearboxes)
extreme ow rates (i.e. close to upper or lower limits)
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