Adjustment (Cal); Adjusting The Measuring Cell With Water; Adjusting The Measuring Cell With Air - Mettler Toledo Refracto 30PX Bedienungsanleitung

7

Adjustment (cal)

7.1

Adjusting the measuring cell with water

- Ensure that the measuring cell and the surface of the prism are clean.
- Transfer pure distilled water onto the measuring cell by means of the pipette
which comes with the instrument. The measuring cell has to be filled up to the
mark.
- Wait until the water has reached more or less ambient temperature.
- Press and hold the
The instrument adjusts automatically (duration: several seconds). After adjust-
ment is completed, the measured deviation from the theoretical value and
Execute ? ( No
Measured deviation < 0.0005
- Press the or
- Execute ? (
Yes
- Press the ok/measure key.
The adjustment is confirmed.
Measured deviation ≥ 0.0005
- Check whether the measuring cell and the surface of the prism are clean.
Measuring cell and the surface of the prism are clean:
- Press the or
Yes
- Execute? (
- Press the ok/measure key.
Measuring cell and/or the surface of the prism are dirty:
- Confirm Execute ? (
- Clean the cell and the surface of the prism and repeat the adjustment.
7.2

Adjusting the measuring cell with air

The Refracto measures with the specified accuracy if the measuring cell is cor-
rectly adjusted with distilled water. An adjustment with air is only necessary if the
error message E-01 appears frequently during measurements or adjustments.
Preparing the measuring cell
- Clean the measuring cell and the surface of the prism thoroughly with a clean-
ing tissue. Wait until the surface of the prism is completely dry.
Adjusting
- Press the and
CALIB (Air)
cell automatically.
Adjustment is complete when
- Adjust measuring cell with distilled water (see chapter 7.1)
If the error message E-01 appears in the display during the adjustment with air,
call METTLER TOLEDO service.
METTLER TOLEDO Refracto 30PX/GS
key, until
) appears.
key.
) appears.
key.
) appears.
No
) by pressing the ok/measure key.
keys simultaneously.
appears in the display. The instrument adjusts the measuring
CALIB (Air)
CALIB (Water)
disappears.
Adjustment (cal)
appears in the display.
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