VWR MD 8000 L, Operating Manual

Page: 47 / 98

MD 8000 L Dissolved oxygen
ba77218e01 11/2018
47
8.2.7 Calibration data
Displaying the cali-
bration record
The calibration protocol of the last calibration is available in the menu Calibra-
tion / Calibration record . To open it in the measured value display, press the
<CAL__>
key.
The calibration records of the last calibrations are available in the menu Cali-
bration / Calibration data storage / Display . To open the Calibration menu in the
measured value display, press the
<OK>
key.
4. Start the measurement with
<OK>
.
The measured value is checked for stability (stability control).
The [AR] status indicator is displayed. The measured parameter flashes.
5. Wait for the measurement with stability control to be finished (beep,
[HOLD][AR] status indicator).
The current value is set to zero.
The calibration record is displayed.
6. Switch to the measured value display with
<F1>
/
[
continue
]
.
The zero point is calibrated.
The [ZeroCal] status indicator is displayed.
7. Carry out a calibration (see section 8.2.3 C
ALIBRATION PROCEDURES
,
page 44).
The calibration record is automatically transmitted to the interface
after calibrating.
O
2
0.9
%
Cal
01.11.2018
08:00
25.1°C
DO Zero