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Temperature scale conversion
To change the temperature scale press to display the “UNIT” parameter and change as needed. Next
change the remaining controller values as shown in the table below based on degrees C or F.
Unit serial number =
Parameter
Operation in Degrees C
Operation in Degrees F
CALO
50
122
CAHI
400
752
OFTL
OFTH
Calibration
The unit has been calibrated by the factory to meet specifications. In the event that you want to adjust or
correct the calibration use the following parameters with the display unlocked.
Press and OFTL will display which is the Zero or low end adjustment. Enter a negative value to correct for
low readings and vice versa. For example if your reference thermometer is showing that the DBCL400 is 2.0
degrees low then enter a -2.0. Press
to access OFTH which is the span or high end correction. Use a
negative value for readings that are low.
Operator maintenance
NOTE THAT THIS EQUIPMENT SHOULD ONLY BE DISMANTLED BY PROPERLY TRAINED PERSONNEL.
REMOVING THE FRONT OR REAR PANELS EXPOSES POTENTIALLY LETHAL VOLTAGES. THERE ARE NO
OPERATOR MAINTAINABLE PARTS WITHIN THE EQUIPMENT
.
In the unlikely event that you experience any problems with your unit which cannot easily be remedied, you
should contact your supplier and return the unit if necessary. Please include any details of the fault observed
and remember to return the unit in its original packing. Omega Engineering will accept no responsibility for any
damage to units that are improperly packed for shipment. If in doubt, contact your supplier.
1.
Cleaning: Before cleaning your unit, ALWAYS disconnect it from the power supply and allow it to
cool below 50° C. Your unit can be cleaned by wiping with a damp soapy cloth. Care should be
exercised to prevent water from running inside the unit. Do not use abrasive cleaners.
2.
Fuse: The unit is protected by a fuse. It should only be changed by suitably qualified
personnel. If the fuse blows persistently, a serious fault is indicated and you may need to return the
unit to your supplier for repair.
