User's Manual Pocket InfraRed Thermometer
Model IR100
Introduction
Congratulations on your purchase of Extech’s IR100 Pocket InfraRed Thermometer. This device allows the user to take non-contact temperature
measurements simply by pointing the meter and pressing a button. This meter is shipped fully tested and calibrated and with proper use will provide years of
reliable service.
IR100 V1.1 2/06
Support line (781) 890-7440
Product specifications subject to change without notice
For the latest version of this User’s Guide, Software updates, and other
up-to-the-minute product information, visit our website: www.extech.com
Extech Instruments Corporation, 285 Bear Hill Rd., Waltham, MA 02451
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Operation
IR Temperature Measurements
Point the IR sensor toward object to be measured,
Press and Hold the MEASURE button.
The meter will turn ON, “SCAN” will flash in the display and the
measured surface temperature will appear in the display.
Release the MEASRE button, “HOLD” will appear in the display and
the meter will turn off after 15 seconds.
Max display
Release the MEASURE button so that “HOLD” is in the display.
Press the “Mode” button once and “MAX” appears in the display.
Press and Hold the MEASURE button. The display will only capture a
new reading if it is higher than the previous one.
Min display
Release the MEASURE button so that “HOLD” is in the display.
Press the “Mode” button twice and “MIN” appears in the display.
Press and Hold the MEASURE button. The display will only capture a
new reading if it is lower than the previous one.
Lock (disable auto-power off)
Release the MEASURE button so that “HOLD” is in the display.
Press the Mode button three times and the LOCK icon will flash.
Press and Release the MEASURE button to “Lock” the meter in the
On position.
Press the Mode button once to exit LOCK mode.
Displaying °F or °C
Release the MEASURE button so that “HOLD” is in the display.
Press the Mode button four times until the °F or °C icon starts to flash.
Press and hold the MEASURE button until the unit of measure
changes
Meter Description
1. LCD Display
2. Measure button
3. Mode button
Measurement considerations
The object being measured should be larger than the spot size as
illustrated in the distance to spot diagram.
If the surface of an object to be measured is covered with frost, dust or
other materials, surface cleaning must be performed before accurate
measurements can be made. High Reflective Surfaces: If the
surface of an object to be measured is highly reflective with a very low
emissivity value, apply masking tape or apply flat black paint to the
surface to improve the accuracy of the measurement.
Battery Replacement
A flashing battery icon on the display indicates that the battery which
powers the meter has weakened. Open the battery compartment on the
rear of the meter, replace the battery and close the compartment.
Warranty
EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in
parts and workmanship for one year from date of shipment (a six month limited warranty
applies on sensors and cables). If it should become necessary to return the instrument for
service during or beyond the warranty period, contact the Customer Service Department at
(781) 890-7440 for authorization. A Return Authorization (RA) number must be issued before
any product is returned to Extech. The sender is responsible for shipping charges, freight,
insurance and proper packaging to prevent damage in transit.
This warranty does not apply to defects resulting from action of the user such as misuse,
improper wiring, operation outside of specification, improper maintenance or repair, or
unauthorized modification. Extech specifically disclaims any implied warranties or
merchantability or fitness for a specific purpose and will not be liable for any direct, indirect,
incidental or consequential damages. Extech's total liability is limited to repair or
replacement of the product.
The warranty set forth above is inclusive and no other warranty, whether written or oral, is
expressed or implied.
Specifications
Ranges -27.4 to 230°F (-33 to 110°C)
Resolution 0.5oF/0.2°C
Accuracy ± 2.5% of reading or 5ºF (2.5ºC),
whichever is greater
Recommended
measuring distance 2” to 36” / 5cm to 91cm
Emissivity settings 0.95 fixed
Distance to Target
Ratio 1:1
Display 3 ½ -digit (2000 count) LCD display
Power off Automatic shutoff after approx. 15
seconds
Operating
Temperature 32 to 122°F (0 to 50°C)
Operating Humidity Max. 80% RH
Power Supply 1 x CR2032 3V battery
Weight 2.7 oz. / 76g
Size 3 x 1.6 x 0.7" (76.2 x 41 x 17.8 mm)
