User's Manual
Pocket InfraRed Thermometer
Model IR201A
Introduction
Congratulations on your purchase of Extech’s IR201A Pocket InfraRed
Thermometer. This device is used to take non-contact temperature
measurements simply by pointing the meter and pressing a button. This
meter, with proper care, will provide years of safe reliable service.
Description
1 Infrared sensor
2 Laser Pointer
3 Measurement button
4 Laser button
5 MENU button
6 Battery compartment (rear)
7 LCD display
8 Lanyard attachment point
Setup
The Setup mode allows for setting: Max or Min display, °C or °F display,
Emissivity value, Lock continuous mode, High alarm limit and Alarm On/Off.
Enter the Setup mode by taking a measurement then press the MENU
button to step through and adjust the features. Each press of the MENU
button advances to the next feature.
1 Press the Measure button to turn the meter on.
2 Press the MENU button to step to the Max/Min selection. Press the
LASER button to set either MAX (blinking) or MIN (blinking) and
then press and hold the Measure button to measure using the
selection
3 Press the MENU button to step to the C/F selection. Press the
LASER button to set either C or F (blinking) and then press the
Measure button to confirm the selection.
4 Press the MENU button to step to the Ems (emissivity) increase ▲
selection. Press the LASER button to increase the ε (blinking) value
and then press the Measure button to confirm the selection.
5 Press the MENU button to step to the Ems (emissivity) decrease ▼
selection. Press the LASER button to decrease the ε (blinking) value
and then press the Measure button to confirm the selection.
6 Press the MENU button to step to the LOCK selection. Press the
LASER button to set LOCK On and then Press & Hold the Measure
button for two seconds to begin continuous measurements. Press
the LASER button to cancel the LOCK mode.
7 Press the MENU button to step to the Hl (High Limit) increase ▲
selection. Press the LASER button to increase the value and then
press the Measure button to confirm the selection.
8 Press the MENU button to step to the Hl (High Limit) decrease ▼
selection. Press the LASER button to decrease the value and then
press the Measure button to confirm the selection.
9 Press the MENU button to step to the Alarm On/Off selection. Press
the LASER button to set either ON or OFF and then press the
Measure button to confirm the selection and exit.
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IR Measurements
1. Point the meter toward the surface to be measured
2. Press and hold the MEASURE button. The meter will turn ON,
“SCAN” will blink and the measured temperature will be displayed.
3. Release the MEASURE button and the last reading will be held
(HOLD will appear) in the display for approximately 6 second and
then the meter will turn off.
4. In the measure mode, press the LASER button to turn the laser
pointer on or off.
Measurement considerations:
The thermometer must be acclimated to ambient temperature for
accurate measurements. Allow approximately 30 minutes
acclimation time when the storage area and use area have a large
temperature differential.
If known, adjust the emissivity value to match the emissivity of the
surface being measured. If unknown, use 0.95.
The surface measured should be cleaned of frost, dust or other
materials before accurate measurements can be made.
Recommended measuring distance is 2” to 36” (5cm to 91cm)
Apply black tape or paint to highly reflective surfaces to increase the
emissivity and improve the accuracy of the measurement.
The object being measured should be larger than the spot size as
illustrated in the distance to spot diagram.
Battery Replacement
The battery icon appears when the batteries need replacing. Open the
battery compartment on the rear of the meter, replace the batteries and
close the compartment.
You, as the end user, are legally bound (EU Battery
ordinance) to return all used batteries, disposal in the
household garbage is prohibited! You can dispose of your
used batteries at collection points in your community or
wherever batteries are sold!
Disposal: Follow the valid legal stipulations in respect of the
disposal of the device at the end of its lifecycle
Specifications
Display LCD display
Power off Automatic shutoff after approx. 8 seconds
Laser power Laser power less than 1mW (red)
Distance to Target Ratio 6:1
Emissivity settings 0.10 to 1.0 adjustable
Operating Temperature 0 to 50°C (32 to 122°F)
Operating Humidity Max. 80% RH
Power Supply 2 x AAA battery
Weight 76g / 2.7 oz.
Size 94 x 51 x 25 mm (3.7 x 2 x 1")
Range Specifications
Ranges(Resolution) -20 to 270°C / -4 to 518oF (0.1°C/F)
Accuracy ± (2.5% of reading + 2ºC or 3.6ºF)
Copyright © 2011 Extech Instruments Corporation (a FLIR company)
All rights reserved including the right of reproduction in whole or in part in any form.
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
IR201A-EU-EN V4.0 03/12
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