User's Manual

RTD/Thermocouple Calibrator

712B Calibration Adjustment

Adjust 50 Ω Source

1. Set the range of 8508A 4-Wire measurement to 2 kΩ.

2. Push  on the 712B to enter the 50 Ω Source calibration mode.

3. Wait approximately 10 seconds until the 8508A shows a stable reading.

4. Use the arrow keys to input the reading into the 712B.

5. Confirm the input.

hwp02.jpg

Adjust 350 Ω Source

1. Push  to enter 350 Ω Source calibration mode.

2. Wait approximately 10 seconds until the 8508A shows a stable reading.

3. Input the reading into the 712B.

4. Confirm the input.

hwp03.jpg