403265 Datasheet, PDF (5/8 Pages) Extech Instruments Corporation. – Non-Contact Infrared Thermometer

Operation
CAUTION!
1. Strong electromechanical radiation or static discharges can cause reading errors if
situated near the meter.
2. An explosion potential exists if the meter is exposed to corrosive or explosive gases.
3. Avoid high humidity, direct sunlight, high temperature, or condensation when
measuring.
4. Do not point the laser beam into direct sunlight or other source of strong light.
5. Do not touch the meter’s lens and do not allow the object tested to touch the lens.
6. Do not place the meter on a hot surface (> 158^oF / 70^oC)
7. If the meter is exposed to significant changes in ambient temperature (hot to cold or
cold to hot), allow 20 minutes for the meter to stabilize before taking measurements.
8. This unit is not dust-proof or water-proof. Use caution when using and storing the
meter.
Power ON
The meter is powered by four (4) AAA 1.5V batteries (rear battery compartment). Press
the red MEAS button to turn power on. The meter does not have an OFF button, it
automatically powers down after 20 seconds to preserve battery life.
Taking Readings
There are two modes of operation, the Standard Mode and the Continuous Mode. In the
Standard Mode, the meter will measure and update the display while the MEAS button is
depressed. In the Continuous Mode, the meter will continuously measure and update the
display after the MEAS button is pressed once (auto-power off is disabled). Pressing the
MEAS button again will enable the HOLD function and the meter will turn off after 20
seconds.
Hold the MODE button down while turning power ON to toggle between the two modes.
Standard Measurement Mode
1. Point the meter toward the device under test
2. Press and hold the MEAS button and allow the reading to stabilize on the LCD display
3. Release the MEAS button. The stabilized reading will now be held on the LCD. ‘HOLD’
will appear on the LCD to indicate that the reading is being held
4. Press the MEAS button to take another measurement
5. The meter will automatically power off after 20 seconds of inactivity
Continuous Measurement Mode
1. Point the meter toward the device under test
2. Press the MEAS button to toggle between MEASURE and HOLD
3. The meter will automatically turn OFF after 20 seconds in the HOLD function, it will
remain ON in the MEASURE function.
LCD Backlight
Use the backlight button to enable or disable the LCD backlight feature. When activated,
the backlight turns on each time the MEAS button is pressed (it automatically turns off to
preserve the batteries).
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403265 Version 1.7 2/05