CO260-en-GB_v1.0 8/17
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33% Calibration
1.
Plug the sensor probe into the 33% salt bottle.
2.
Long press the
/ESC, MEM/
and /SET
buttons simultaneously to enter calibration
mode.
3.
In calibration mode, “CAL” and the current value (32.8% if at 25°C) will blink on the LCD.
4.
The meter is now calibrating, and will finish in about 60 minutes, when the current value
stops blinking. “CAL” will continue to blink on the display.
5.
To abort the calibration, power the meter OFF at any time.
75% calibration
1.
After the 33% calibration, plug the sensor probe into a 75% salt bottle.
2.
Long press the MXMN/AV/
button to enter 75% calibration.
3.
“CAL” and current value (75.3% if at 25°C) will blink on the LCD.
4.
The meter is now calibrating. The calibration is complete in about 60 minutes. The values
will stop flashing and the meter powers OFF automatically when calibration is complete.
5.
To abort the calibration, power OFF the meter at any time.
PC Interface
This meter has the capability to connect to and communicate with a PC. To install and use the
software, please refer to the instructions provided on the supplied CD-ROM and/or the
instructions provided in the HELP Utility within the software program.
Check the software download page of the website www.extech.com for the latest version of the
PC software and its operating system compatibility.
