LTH Electronics HPT63, Руководство по эксплуатации

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10 Calibration
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10.5.2 Procedure
1. Make up a standard Redox solution in accordance with the instructions
supplied.
2. Immerse the electrode system in the solution.
3. From the Sensor Buffer page, press the key. The screen will display ‘Are
you sure?’.
4. Press to confirm (or any other key to abandon calibration). On pressing
, the display will show the sensor reading..
5. Use the and keys to set the reading to the potential of the solution, e.g.
358 mV.
6. Press to confirm the correct reading. The display will show the offset
calculated by the instrument (where 0mV is the default).
10.6 Temperature Calibration
Use this option to calibrate the temperature sensor against a solution at a known
temperature. Proceed as follows:
1.
Ensure that the sensor is immersed in a solution of known temperature.
2. From the Temperature Calibration page, press the key. The screen will
display ‘Are you sure?’.
3. Press to confirm (or any other key to abandon calibration). On pressing
, the display will show the temperature reading.
4. Use the and keys to set the reading to the known correct temperature.
5. Press to confirm the correct reading. The display will show the slope
calculated by the instrument (where 100% is the default).
10.7 Current Output Calibration
The user is provided with an opportunity to adjust the current output, to calibrate any
equipment that may be being used to monitor the current output signal. To adjust the
current output select the
Current Output menu item in the Calibration menu.
Please keep in mind that the current output cannot go below 0mA. The maximum
offset is
±
2mA. If two current outputs are fitted they are referred to as A and B
respectively.