Operation - Extech Instruments IR260 User Manual

Operation
Meter Power
The meter is powered by two 1.5V AA batteries. With fresh batteries installed, the meter
switches ON when the trigger is pulled. The batteries are located in the meter handle; pull the
battery compartment lid away from the body of the meter to open. Refer to the Maintenance
section for more Battery Installation instructions. The battery icon provides battery status
indication. Replace the batteries as soon as the battery status icon flashes.
Surface Temperature Measurements
1. Hold the meter by its Handle Grip and point it toward the surface to be measured. Read the
Field of View section below for distance to target (spot) ratio information.
2. Pull and hold the Trigger to turn the meter on and begin testing in Scan mode. The display
will light if the two 1.5V batteries are good. Replace the batteries if the display does not light.
3. Release the Trigger; the reading will hold for approximately 9 seconds, after which the meter
will automatically shut off.
4. The meter defaults to the programmed conditions in use when the meter was last switched
OFF. For example, if the laser is set to ON and the temperature units are set to
the unit is switched OFF, the unit will switch ON and use the same settings.
Laser – ON/OFF
Pull the trigger and release.
Push and HOLD the
The Laser icon will flash when the state has changed. When the laser is ON, the laser icon
appear on the LCD. Aim the red laser beam approximately a half inch below the point of test
(pressing the Laser button again turns the laser off).
MAX‐MIN Mode
Press the trigger and release.
Press the MAX‐MIN button to view the maximum temperature reading (MAX), press again to
view the lowest reading (MIN). Press and hold the MAX‐MIN button to switch the MAX‐MIN
mode off.
Display Backlight
Press the trigger and release.
Press the backlight button
Over‐range Indicators (OL and ‐OL)
If the temperature measurement exceeds 779°F (415°C), the thermometer will display OL in
place of a temperature reading. If the temperature measurement is below ‐25°C (‐13°F), the
thermometer will display ‐OL in place of a temperature reading.
button for about 3 seconds to switch the laser pointer ON or OFF.
momentarily to switch the backlight ON or OFF.
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IR260‐en‐GB_V1.2 1/16
EXTECH INSTRUMENTS
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