BrandTech Scientific Titrette - Manual (Page 48)

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With the instrument powered
on, press and hold the
CLEAR key for more than
3 seconds. The following
modes will be repeatedly
shown in the display after
one another:
CAL - GLP - APO - dP
Adjustment CAL Mode · Easy Calibration Technique
The adjustment value is the deviation of the mean volume from the nominal
volume (e.g., mean volume 50.024 ml, nominal volume 50 ml. Adjustment
value = 50.024 ml - 50.000 ml = 0.024 ml).
(For calculating the mean volume, see 'Calibration', page 46).
1.
Computing the
adjustment value
2.
Bring up the
CAL mode
For example, with an adjust-
ment value of 0.024 ml,
press the Pause or On/Off
keys until the value has been
reached.
Press the CLEAR key to
confirm the input of the
adjustment value.
A change in the factory
default setting will be shown
by the CAL symbol now
continuously being shown
in the display.
3.
Entering an ad-
justment value
4.
Confirming
setting
An adjustment might be necessary after a long period of usage or following the replacement of the pis-
ton/cylinder assembly, in order to balance out differences in accuracy up to a maximum of ±0.999 ml.
A change from the factory default setting is indicated by the small 'CAL' icon at the top of the display.
When CAL appears in the
display, release the CLEAR
key. CAL blinks and the
digits are displayed.
If the CLEAR key has not been pressed within approx. 15 seconds, the initial status will be retained.
Note:
What to do How to do it Keys to press Display readout