Hach Ultra POLYMETRON 9182, Operator'S Manual

Page: 50 / 92

Oxygen analyser (ppb) - 9182 -
6-2
6.1.1 Automatic temperature compensation
The sensor measures continuously the sample temperature. The concentration values are
automatically calculated according to the reference temperature (25 °C) by a preprogrammed
compensation law in the transmitter.
Follow the procedure below:
PROGRAMMING
Choice of an automatic temperature
compensation.
EXECUTION
The execution is realised with the
CALIBRATION menu.
Enter the sample temperature value in °C.
Press OK to adjust the temperature displayed
to the actual value of the sample temperature
measured with a precise thermometer.
The gap between the calibration and the
theorical response curve of the sensor is given
for information.
MEASURE
Select
TEMP. COMP.
TYPE :
SENSOR : NTC
TEMP : 25.0°C
TEMP. COMP.
Select
Enter
Auto.
TEMP. CALIB.
Select
EXECUTION
21.2
°C
6.87 ppm
OK
CAL
21.2
°C
1.2 °C
CAL
2
Δ
T : 0.0 °C
ENTER : ok
ESC : cancel
TEMP. CALIB.
Enter
Enter
Press OK when the
measure is stable
Possibility to change
the value