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Applies To: 1586A Super DAQ

Problem Description:   

Selection of the Cold Reference Compensation Junction (CJC) for input channel set-up is not described in the 1586A User Manual.

Resolution/Work Around:   

To choose the type of Cold Junction Compensation for the 1586A to use with a Thermocouple, please do the following:

1. Press the CHANNEL SETUP button of the front panel of the 1586A
2. Highlight the channel to edit using the up or down arrow buttons.
3. Select EDIT CHANnel by pressing the F1 button.
4. Select ON and then press OK (F4).
5. Highlight the Thermocouple type to be used and then press OK (F4).
6. Select CHANNEL OPTIONS (F2)
7. Locate COLD JUNCTION in the list and highlight its setting.
8. Select EDIT (F3).
9. Choose either Internal, External, or Fixed as the Cold Junction Compensation. For an external CJC, the Fixed option will need to be selected and the temperature set to 0°C if an ice bath is used.  If the External option in the CJC is selected, a PRT needs to be connected to channel 101 and be used to monitor the temperature of the ice bath or heat source that you have the Thermocouple Reference Junction in.

10. Select OK (F4).

You may now choose to store this configuration in the Probe Library for future use.  Otherwise, this setup is complete.