100-214-294 REV. 05 53
6.5.8 CPXH Temperature Calibration
The CPXH unit temperature measurement is factory calibrated. Use the following
instructions to perform periodic calibrations:
6.5.9 Draining Your Unit
Models 1800 and 2800 do not have a drain. To empty, use the indented side of the rim to
pour the used solution into a waste disposal unit, rinse the tank thoroughly and refill with
new solution.
Table 6.22 CPXH temperature calibration
Step Action
1
The ultrasonic bath liquid may be at room temperature or may be
heated-up to a desired operating temperature (e.g. 40° C).
2
Press the Fn key 4 times until the Current Temperature icon starts
blinking. Press the Up key to select °F. Press the Fn key 2 more times to
return to the Ready State.
3 Press the On/Standby key to turn off the unit.
4
Simultaneously, press both the On/Standby and the Fn key. Only the
bottom left digits and the Current Temperature icon should turn on.
5 Stir the solution for 15 seconds to ensure thermal uniformity.
6
Wait 2 minutes after turning the unit on before taking measurements.
This allows for the display to be properly updated.
7
Use the Up/Down keys to change the display temperature to match the
actual tank temperature.
8 Press the On/Standby key to end calibration.
WARNING General Warning
Do not immerse the unit in water. Unplug the unit from the power
source.
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