User Entered values with some external source of temperature, or ambient temperature target.


Scenario:

User needs to run a calibration in which they are sourcing Temperature elsewhere or recording what the specified ambient temperature should be via some user entered value, and verifying this via the TC measurement function of the 754.


Example:

The main Calibration Points tab should hold the Signal Types and ranges for display on a report like a calibration certificate.

E.g. 0 to 100 C for both input and output, One or more test points, as required.


The "DPC Settings" or "Group Options" area should use TC as the Measure Mode

For source mode there are some options such as

  • RTD
    • requires a Probe Type and # of Wires
    • MAY require Unit Type of "Custom" and Custom Base Unit of DEGC, Custom Base Range of Low 0.000, High 100.000, or similar; IF the Input Signal Type isn't compatible with RTD.
  • TC
    • requires a Probe Type and CJC Default
    • requires Unit Type of "Custom" and Custom Base Unit of DEGC, Custom Base Range of Low 0.000, High 100.000, or similar; IF the Input Signal Type isn't compatible with TC. 
  • DC Voltage
    • requires Unit Type of "Custom" and Custom Base Unit of MV, Custom Base Range of Low 0.000, High 100.000, or similar

The idea here is that we can allow the reading to move forward even when the calibrator is ignoring the actual sourced value, and enforcing that the User enter the input value, while capturing the reading from the calibrator measurement.


In all cases the input/source setting of Reading Method is critical to allowing the 754 to capture the manually entered input from your external source. It must be set to UEV On for User Enter Values.


Example using DC Voltage example