Automatic Power OFF
To conserve battery life the meter automatically shuts off after 10 minutes.
o
F/
o
C buttons
The Air Temperature and the IR Temperature units can be selected
by the user. For Air Temperature, press the
o
F/
o
C button on the
bottom left. For the IR temperature units, press the
o
F/
o
C button at
the center of the meter.
Data Hold Buttons
Displays can be held (frozen) at any time by pressing the HOLD button.
For Air Temperature, use the HOLD button on the bottom right. For IR
Temperature and for Relative Humidity, use the HOLD button on the right
center of the meter. Press HOLD again to exit the mode. Note that in IR
temperature mode Data Hold is automatically engaged when the red IR
button is released.
MAX Buttons
Press the MAX button (bottom of meter for Air Temperature; center of
meter for IR temperature and Relative Humidity) to display only the
highest reading. The displayed measurement will now only change when
a higher reading is detected. Press the MAX button again to exit this
mode.
Backlight
Press the backlight
button to turn the light on. Press again to
turn it off.
The polarization index Test calculates the ratio of the resistance
measurement after 10 minutes to the resistance measurement after 1
minute: Results are determined by the type, age and condition of the
insulation material tested. Established standards and test procedures
should be used to establish pass/fail criteria for each application.