Fig. 4.5: Fox Thermal-Supplied PVC Sensor Protector vs. Plastic Bottle
NOTE! For best results:
• Use the factory-supplied PVC sensor protector shipped with the meter (see Fig. 4.5).
• Place the meter upside-down on a at, solid surface before starting the test.
• Do not allow the meter to get moved - make sure the meter is stable and the sensor
completely isolated.
Using a Fox Thermal Retractor for Zero CAL-CHECK™
The following are the instructions for using a Fox Thermal retractor to set the eld baseline for - or
performing - an in situ Zero CAL-CHECK
™
test. If you are not using a Fox Thermal retractor, move
ahead to "Starting the Field Baseline Set" on p. 83.
NOTE! If you need information on the installation of the Fox Thermal retractor, refer to
"Installation of a New Retractor Assembly" on page 29.
Operation | 79
Model FT3
Operation