Cooper Instruments & Systems DFI INFINITY B Ultra High Performance Digital Force Indicator - Manual (Page 48)

In case of "tC" input type:
Press ‘RESET/ENTER’ 10) Display shows "tC.CO.JC" Cold-Junction Compensation for "tC" Thermocouple input
type.
Press ‘RESET/ENTER’ 11) Display flashes "ENAbLE" as default or previous selection.
Press ‘▲/MAX’
12) To select either "ENAbLE" or "dISAbL" for your choice of setup.
Press ‘RESET/ENTER’ 13) Display shows "C.JUN.OF" Cold-Junction Offset Adjustment menu.
Press ‘RESET/ENTER’ 14) Display flashes "dISAbL" as default.
16.3.1 Field Calibration for Cold Junction Compensation Board
CAL 0 Enter " CAL 0 " FIELD CALIBRATION SUBMENU:
* The meter has been calibrated with the cold-junction compensation board included with
your unit. However if you change the board or want to verify the calibration, this controller
has technologically featured with " CAL 0 " menu function for Field Calibration to
performCold-Junction Offset Adjustment automatically as described in the following steps.
* Caution: Before attempting to calibrate, make sure you have the proper equipment for
calibration and follow the procedure precisely.
* The communication Bus Format, "bUS.FMt", must be in
Command Mode, "COMMNd".
* RTD and Process are perfectly calibrated; this calibration is only applicable to TC.
Equipment required: Select proper TC type that you need to calibrate and set your
calibrator for 0°C / 32°F. Having applied power, let the setup warm-up, for at least one hour,
prior to performing Field Calibration.
Press ‘▲/MAX’ 15) Select "ENAbLE" to enter FIELD CALIBRATION mode for Cold-Junction Offset
Adjustment.
Press ‘RESET/ENTER’ 16) Display advances to "CAL 0" Field Calibration submenu for Cold-Junction Offset
CF 156 43 M2544/N/0505