Extech Instruments IR200 User manual

User’s Manual
Non-contact Forehead IR Thermometer
Model IR200

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Introduction
Congratulations on your purchase of the Model IR200 IR Thermometer. This thermometer is
intended for scanning groups of individuals or monitoring an individual for elevated temperatures. It
is not a substitute for a clinical thermometer. Always use a clinical thermometer when high accuracy
body temperature measurements are required.
Considerations and Warnings
Read all instructions before using this product.
For the most accurate results, make reading with an ambient (room) temperature of 73 to
82°F (23 to 27°C)
Make sure the skin is dry and that no hair interferes with the measurement.
Do not immerse the meter in water.
Avoid touching and/or scratching the infrared sensor lens.
Always use a clinical thermometer to verify any abnormal temperature measurements.
Clean the lens area by gently blowing with compressed air and use a damp swab to wipe
the lens. Do not use any solvents to clean the lens.
Measurement Notes
1. If the meter has been stored in a cold or hot environment, allow it at least 20 minutes to
acclimate to room temperature before making measurements.
2. To prevent transmission of disease, avoid direct contact with the skin.
3. After heavy exercise always wait at least 10 minutes before taking forehead temperature
readings.

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Meter Description
1. IR sensor
2. Body – Surface switch
3. ▼button
4. ▲button
5. MODE button
6. Measurement trigger
7. LCD display
8. Battery compartment
DISPLAY
1. Surface mode
2. Body mode
3. Temperature display
4. Memory location
5. Alarm active
6. Temperature units
7. Low battery icon
8. Memory temperature display
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Operating Instructions
Body Temperature Measurements
1. Set the Body-Surface- switch for “Body” for accurate measurements in the range of 89.6.0 to
108.5°F (32.0 to 42.5°C).
2. Hold the meter by its handle and point it toward the surface to be measured. Measurement
distance should be 2 to 6” (5 to 15cm).
3. Press the trigger to turn the meter on and take a temperature reading. The temperature
reading appears in the large display and the logged data number and value appear in the
smaller display.
4. Release the Trigger and the reading will hold for approximately 7 seconds after which the
meter will automatically shut off. Trigger presses can occur up to a rate of one a second to
quickly log samples.
5. If the temperature goes above 109°F or 43°C, Hi will appear in the display.
If the temperature goes below 86°F or 30°C, Lo will appear in the display.
Body Temperature Mode settings
1. With the meter OFF, press the MODE button once to set the C/F temperature units. The
temperature units will flash. Press the ▲or ▼buttons to change the units.
2. Press the MODE button a second time to set the alarm temperature limit. Press the ▲or ▼
buttons to change the value.
3. Press the MODE button a third time to enter the long term calibration drift correction mode. On
entering the mode, the previous temperature correction factor will appear on the display. To
make a correction, measure a known, fixed temperature source. Enter the correction mode and
press the ▲or ▼buttons to change the correction value and minimize the difference in
readings. Repeat and adjust the correction value as needed until the measurement on the
IR200 matches the known temperature.
4. Press the MODE button a fourth time to set the alarm buzzer status. Press the ▲or ▼buttons
to switch from ON to OFF.
Surface Temperature Measurements
1. Set the Body-Surface- switch for “Surface” for wide range surface measurements of most
materials.
2. Hold the meter by its handle and point it toward the surface to be measured.
3. Press the trigger to turn the meter on and take a temperature reading. The temperature
reading appears in the large display and the logged data number and value appear in the
smaller display.
4. Release the Trigger and the reading will hold for approximately 7 seconds after which the
meter will automatically shut off. Trigger presses can occur up to a rate of one a second to
quickly log samples.
5. If the temperature goes above 140°F or 60°C, “Hi” will appear in the display.
If the temperature goes below 32°F or 0°C, “Lo” will appear in the display.

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SurfaceTemperature Mode settings
1. With the meter OFF, press the MODE button once to set the C/F temperature units. The
temperature units will flash. Press the ▲or ▼buttons to change the units.
2. Press the MODE button a second time to set the alarm temperature limit. Press the ▲or ▼
buttons to change the value.
3. Press the MODE button a third time to set the alarm buzzer status. Press the ▲or ▼buttons
to switch from ON to OFF.
Data memory
To review the logged data points, press both the ▲and ▼buttons while the unit is OFF. Use the
▲or ▼buttons to scroll through the memory locations. To clear logged data, select the “0”
memory location and press the MODE button. The unit will beep twice to indicate memory has
been cleared.
Battery Replacement
When the low battery symbol appears on the display, replace the meter’s battery. The battery
compartment is located on the bottom of the handle. Open the compartment by removing one screw
and sliding the cover off. Replace the (2) “AA” batteries and close the battery compartment cover.
You, as the end user, are legally bound (Battery ordinance) to return all used batteries
and accumulators; disposal in the household garbage is prohibited!
You can hand over your used batteries / accumulators at collection points in your
community or wherever batteries / accumulators are sold!
Disposal: Follow the valid legal stipulations in respect of the disposal of the device at the
end of its lifecycle
IR Measurement Notes
1. Before measuring, be sure to clean surfaces that are covered with frost, oil, grime, etc.
2. If an object's surface is highly reflective, apply masking tape or flat black paint to the surface
before measuring. Allow time for the paint or tape to adjust to the temperature of the surface it is
covering.
3. Measurements through transparent surfaces such as glass may not be accurate.
4. Steam, dust, smoke, etc. can obscure measurements.
5. The meter automatically compensates for deviations in ambient temperature. However, it can
take up to 30 minutes for the meter to adjust to extremely wide changes.

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Specifications
Range Accuracy
Body Temp 32.0 to 42.5°C (89.6 to 108.5°F) ±0.3°C/0.5°F
Surface Temp 0 to 60°C (32.0 to 140°F) ±0.8°C/1.5°F
Emissivity 0.95 fixed
Field of View D/S = Approx. 8:1 ratio (D = distance; S = spot or target)
IR Spectral response 6 to 14 m (wavelength)
Display Backlit LCD display with function indicators
Response time 500ms
Over range indication “Hi“ or “Lo”
Operating Temperature 0oC to 50oC (32oF to 122oF)
Operating Humidity 10% to 90%RH operating, <80%RH storage.
Storage Temperature -20 to 60oC (-4 to 140oF)
Power Supply (2) AA” Batteries
Automatic Power Off 7 seconds (approx.),
Weight 177g (6.24oz.)
Dimensions 160 x 82 x 42mm (6.3 x 3.2 x 1.7”)
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