Fluke 712B/EN Calibration Manual

712B/714B
Calibration Manual
Use a Lag Bath
To use a lag bath to calibrate the internal cold junction temperature:
1. Connect the lag bath and the 714B via the J type thermocouple sensor, and
immerse the thermocouple and a precision mercury thermometer in the
mineral oil lag bath, as shown in Figure 18.
2. After the thermocouple is inserted, wait approximately 5 minutes for the
temperature reading to stabilize.
3. Record the reading on the standard sensor, and input the reading to the
714B.
4. Push  to calibrate the cold junction temperature.
Fluke 1551A Ex
Fluke 714B
Thermometer
J Type
TC Sensor
hwp009.eps
Figure 18. Use Lag Bath to Adjust Cold Junction Temperature
Note
The mercury thermometer can be replaced with other standard
temperature sensors. The temperature of the lag bath should be
within
± 2 ° C of ambient temperature.
36

Fluke 712B/EN Specifications

General

Brand	Fluke
Model	712B/EN
Category	Test Equipment
Language	English