PROBE BUDDY – USER MANUAL
Page 22 of 27
UPC_MAN013_R7
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13. Press Enter. The input will be averaged and the calibration values set.
14. Display changes to MV 2000mV.
15. Change mV source output to 2000.00mV.
16. Display will show CALIBRATION SAVED
17. Continue to Output Calibration or Cold Junction calibration or press SETUP to escape.
Preparing for Output Calibration
The following items are required to calibrate thermocouple and millivolt outputs. The TC
extension wire and calibrator setting must match the PROBE BUDDY thermocouple setting.
•
Calibrated millivolt meter, 0 – 2000mV with a 0.1 mV resolution
•
Calibrated millivolt meter, -10mV to 70mV with a 0.1 uV resolution
•
Copper wire with banana plug to connect millivolt meter PROBE BUDDY MV jack.
•
Copper wire with uncompensated mini-thermocouple plug to connect a meter to the
PROBE BUDDY TC jack.
4.3.1 Calibrating the Outputs Signals
The same calibration procedure can be used for either output channel. The difference is in the
mV level: 0-100mV for the TC output and 0-2000mV for the sensor millivolt output.
1. At CAL OUTPUT, change No to Yes.
2. Press Enter to display the TC 0mV page.
3. Use a millivolt meter with copper wire and an uncompensated TC connector.
4. Connect to the TC connector to the PROBE BUDDY.
5. Adjust the number displayed on the second line of the PROBE BUDDY to read 0mV on
the meter. Allow the reading to stabilize between adjustments.
6. Press Enter when the meter reading is averaging around 0.000mV.
7. The TC 100mV page is displayed.
8. Adjust the number on the second line until the meter reading is averaging around
100.000mV.
9. Press Enter.
10. Display changes to MV 0mV.
11. Adjust the number on the second line until the meter reading is averaging around
0.00mV.
12. Press Enter.
13. Display changes to MV 2000mV.
14. Adjust the number on the second line until the meter reading averages around
2000.00mV.
15. Display will show CALIBRATION SAVED
Calibration of Cold Junction
1. Connect the thermocouple extension wire and plug for the type of thermocouple
selected in the PROBE BUDDY INPUTS / TC TYPE parameter.
2. Set the calibrator to 25°C.
