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TEMPERATURE CALIBRATION
The following instructions provide a step-by-step
procedure for temperature calibration. Do not
deviate from the procedure or the calibration of
your bath may be inaccurate.
CAUTION
THIS PROCEDURE SHOULD ONLY BE
PERFORMED AFTER INSTALLING A NEW
TEMPERATURE PROBE INTO THE BATH.
1.
Connect the temperature probe connector to
J302 on CPU board.
2.
Turn Power switch to the OFF position.
3.
Press and hold the SETPOINT key while turning
Power ON.
4.
The unit will now cycle through an LED display
test. Press SETPOINT to end test.
5.
The display will now read 0000. Press UP until
display reads 0012. Press SETPOINT.
NOTE:
IF A VALUE OTHER THAN 0012 IS DISPLAYED
AND SETPOINT IS PRESSED, THE UNIT WILL
RETURN TO NORMAL OPERATING MODE AND
DISPLAY WILL SHOW ACTUAL BATH
TEMPERATURE.
6.
The unit is now in Calibration mode. Raw
count value appears. Hit setpoint.
7.
The display will now show cXX.X (XX.X is the
actual bath temperature) - this is Low
Temperature Calibration.
8.
Place the temperature probe and a calibrated
reference thermometer into an ice bath. Press
UP or DOWN until the display value matches
the reference thermometer. Press SETPOINT
to store the new low temperature calibration
value.
9.
The display will now show CXX.X - this is High
Temperature Calibration (XX.X is the actual
bath temperature).
10. Place the temperature probe and a calibrated
reference thermometer into a steaming water
bath. Press UP or DOWN until the display
value matches the reference thermometer.
Press SETPOINT to store the new high
temperature calibration value.
PRESSING OFFSET AT ANY TIME DURING
THE CALIBRATION PROCESS WILL RETURN
UNIT TO NORMAL OPERATION MODE AND
DISPLAY WILL SHOW ACTUAL BATH
TEMPERATURE.
15
NOTE
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