ProMinent DULCOMETER D1C Operating Instructions Manual page 13

Complete Operating Menu / Description
ppm
1.00
mea val. 1.00 ppm
fd. fwd.: 70 %
59 %
reg. val.:
w: 2.00 ppm
Calibrating the probe for dissolved oxygen
Before the "Calibration O
correcting the measured value (see complete operating menu, "Measurement parameters"). After carrying
out this function, hold the sensor upward for at least 5 min.
The "Calibration O ", "O
2
The control must be switched off by pressure stop key while calibrating in air ("Calibration O
T he standard signal from the output (measured value) is 4.0 mA.
If calibrating with the aid of a reference value ("Calibration O
standard signal from the output (measured value) is unchanged throughout.
Calibration is only possible with this function if the input reference value is ≥ 2 % of the measurement range.
If calibration is successful, all error investigations relating to the measured value are restarted
Minor stable deviations from the sensor zero point at 4.00 mA can be compensated (go to "Calibration O
zero point", "value take over" and press the Enter button. To reject the value, press the Branch Back button.)
IMPORTANT
The probe measurement range must comply with the set measurement range (factory
setting: 0-2 ppm). The measurement range should be reset before calibration (see page 14).
Access to all setting menus can be blocked with an access code !
calibration O
2
zero p.: 4.00 mA
slope
1.60 mA/ppm
Permanent display 1
Permanent display 1
Permanent display 2
only with control
(w = setpoint)
, automatic" function can be carried out you need to enter the parameters for
2
value" function allows you to enter the measured value from a reference value.
2
calibration O
2
automatic
8.55 ppm
Positive values of setting variable:
Negative values of setting variable:
, O value") the controller function is active. The
2 2
calibration O
2
probe up
time 5:00 min
calibration O
2
O -value:
2
8.55 ppm
calibration O
2
zero point:
value take over?
4.00 mA
Oxygen
De-O
2
(Oxygen-destruction)
D1C2-O2-018-GB
, automatic").
2
calibration O
2
zero p.: 4.00 mA
slope
1.60 mA
D1C2-O2-031-GB
,
2
13