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8 Calibration
- The transmitter must be in the measurement mode.
✱
Immerse the conductivity sensor in a reference solution with a known
conductivity.
✱
Press the
key or
select the calibration level (CALIB. LEVEL) or
select the calibration level from the administrator level (password required).
✱
Select REL. CELL CONSTANT
– the present measured value and temperature will be displayed.
✱
When the measurement is stable, press the
key.
The conductivity measurement will be displayed (blinking).
✱
Use the
and
keys to set the value to the true value for the
conductivity.
✱
Press the PGM key.
The relative cell constant that was calculated by the device is displayed in
%.
✱
Use the
key to confirm the temperature coefficient, or
use the
key to reject the value.
The temperature of the sample solution must remain constant
during calibration!
If calibration has been enabled in the administrator level for the
user, then the procedure can be started by pressing the
key.
If calibration has not been enabled for the user, then this must be
implemented in the administrator level / calibration level (the
password 300 is required).
CAL
CAL
PGM
PGM
EXIT
Summary of Contents for AQUIS 500 CR
Page 94: ...12 device description 94 ...
Page 96: ...12 device description 96 ...
Page 98: ...13 Index 98 ...
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