Stratos Multi E401N
109
6.3.3 Calibration Mode: ORP Check
The sensor is immersed in a solution with a known ORP value for the ORP check. The test period and
the permissible test difference are specified during parameter setting:
Parameter Setting
[I] [II] [ORP Sensor]
Cal Presettings
Calibration Procedure
Calibration
[I] [II] [ORP Sensor]
When you access calibration, the calibration values selected in the calibration presettings are used.
These settings can still be changed in the Calibration menu. If you do not want to perform calibration,
use the left
softkey
to go back one level and abort the calibration.
01.
Select “ORP Check” calibration mode and press
enter
to confirm.
02.
Take the sensor out of the medium and rinse it well in deionized water.
CAUTION! Risk of electrostatic discharge.
Do not wipe the sensor or dab it dry.
03.
Immerse the sensor in the ORP solution and wait for the ORP measured value to stabilize.
04.
Start ORP check with the
right softkey: Next
.
✓
When the drift check is complete, the measured temperature and ORP are displayed.
✓
If the specified test difference was not exceeded, the message “ORP Check Successful” appears.
If the specified test difference was exceeded, the message “ORP Check Unsuccessful” appears.
05.
ORP adjustment should be carried out in the event of an unsuccessful ORP check.
6.3.4 Calibration Mode: Temperature
Adjustment of Temperature Probe
This function is used to adjust the individual temperature probe tolerances or cable lengths for the
purpose of increasing the accuracy of the temperature measurement.
The adjustment requires an accurate measurement of the process temperature using a calibrated
reference thermometer. The measurement error of the reference thermometer should be less than 0.1
K. Adjustment without an accurate measurement may result in falsification of the displayed measured
value.
When using Memosens sensors, the adjustment value is saved in the sensor.
Calibration Procedure
Calibration
[I] [II] [Sensor]
Adjust Temperature Probe
01.
Select “Temperature” calibration mode and press
enter
to confirm.
02.
Enter the measured process temperature and press
enter
to confirm.
✓
The temperature offset is displayed.
03.
Adjust the temperature probe with the
right softkey: Save
.