USER GUIDE
Mini InfraRed Thermometer
With Laser Pointer and High‐Low Alarms
Model IR260
EXTECH INSTRUMENTS
Introduction
Congratulations on your purchase of the IR260 IR Thermometer. This thermometer makes non‐ contact (infrared) temperature measurements at the touch of a button. The built‐in laser pointer increases target accuracy while the backlit LCD and handy push buttons combine for convenient, ergonomic operation. This device is shipped fully tested and calibrated and, with proper use, will provide years of reliable service. Please visit our website (www.extech.com) to check for the latest version of this User Guide, Product Updates, and Customer Support.
Features
Measures non‐contact surface temperature up to 400°C (752°F)
12:1 Distance to Spot Ratio (Field of View)
Single‐point laser targeting
Automatic Data Hold when trigger is released
Display Backlight
Maximum‐Minimum temperature function
Selectable temperature units (°F / °C)
Dynamic battery status indication
Adjustable emissivity
Audible and visible alarm indication for High and Low Temperature Alarm
Safety
International Safety Symbols
This symbol, adjacent to another symbol or terminal, indicates the user must refer to the manual for further information
Warnings
o Do not directly or indirectly point the laser at the eyes of a person or an animal o Inspect for damage or for any shortage of parts or accessories before use o Replace the batteries immediately after the battery indicator flashes o Do not use the thermometer near explosive gases, steam, or dust o Note that an object with high reflectivity will normally cause the measured temperature value to read much lower than the actual temperature o Use the device only as described in this User Guide
Cautions
To avoid thermometer damage, please avoid the following hazards:
<1mW Output at 650nm o EMF from welding equipment or electro‐induction heaters o Static electricity o Thermal shock caused by large or abrupt environmental temperature changes; wait 30 minutes to allow the thermometer to stabilize to new environmental conditions o Do not use this device in excessively high temperature environments
2 IR260‐en‐GB_V1.2 1/16
Description
Meter Description
1. LCD Display
2. MAX‐MIN / Down Button
3. Backlight‐Laser Pointer / Up Button
4. Laser pointer lens
5. IR Thermometer lens
6. SET Button
7. Measurement Scan Trigger
8. Battery Compartment
Display Description
1
2
3
EXTECH INSTRUMENTS
4
5
6
7
8
Emissivity value indication
Laser pointer active icon
Scan mode (active while the trigger is pulled; displayed temperature tracks the temperature of the scanned surfaces)
Hold mode (displayed temperature freezes with trigger release)
Maximum/Minimum temperature icons
Battery capacity indicator (flashes when battery voltage is critical)
Display Backlight icon
Temperature units (°F /°C)
Temperature Alarm icons and audible alarm disable icon
3 IR260‐en‐GB_V1.2 1/16
EXTECH INSTRUMENTS
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 o
F at the time 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 button for about 3 seconds to switch the laser pointer ON or OFF.
The Laser icon will flash when the state has changed. When the laser is ON, the laser icon will 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 momentarily to switch the backlight ON or OFF.
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.
4 IR260‐en‐GB_V1.2 1/16
EXTECH INSTRUMENTS
Setting Mode
Release the trigger and press the SET button to access the Setting Mode. Use the SET button to navigate through the Setting Mode fields and use (UP) and the MAX‐MIN (DOWN) buttons to make changes. The available parameters are listed below:
Emissivity setting
°C/°F temperature units selection
Temperature Alarm Audible Beeper Enable/Disable
High Temperature Alarm Limit setting
Low Temperature Alarm Limit setting
The corresponding parameter icon will flash when selected. To exit the Setting Mode, press and hold the SET button for two seconds.
Emissivity Setting
The icon will flash when selected. Use the up and MAX‐MIN down buttons to increase or decrease the emissivity (in 0.01 steps). The emissivity range is 0.10 to 1.00. Hold the up or down button to rapidly increase or decrease the emissivity value. Press the SET button to confirm and to step to the next option.
Selecting the Temperature Unit of Measure (°C/°F)
Use the up and MAX‐MIN down buttons to select °C or °F. Press the SET button to confirm and to step to the next option.
Enable/Disable Audible Temperature Alarm
This parameter is used to enable/disable the audible temperature alarm. The icon will flash in this mode.
Use the up and MAX‐MIN down buttons to toggle the setting. When the audible alarm is disabled, the display will show ‘HIGH LOW’. When the audible alarm is enabled, the display will show . When the audible alarm is enabled, the beeper is allowed to sound whenever the measured temperature goes beyond the high or low temperature limit values. Press the SET button to confirm and to step to the next option.
HIGH Temperature Alarm Limit Setting
Use the up and MAX‐MIN down buttons to increase or decrease the High Alarm
Temperature Limit (in 0.1 steps for °C or 0.2 steps for °F). Holding the up or down button will rapidly increase or decrease the HIGH limit value. A beep will sound if the HIGH temperature value reaches the LOW temperature value while programming. Press the SET button to confirm and to step to the next option.
LOW Temperature Alarm Limit Setting
Use the up and MAX‐MIN down buttons to increase or decrease the Low Alarm
Temperature Limit (in 0.1 steps for °C or 0.2 steps for °F). Holding down the up or down button will rapidly increase or decrease the LOW limit value. A beep will sound if the LOW temperature value reaches the HIGH temperature value while programming. Press the SET button to confirm and to step to the next option.
5 IR260‐en‐GB_V1.2 1/16
EXTECH INSTRUMENTS
Locating Hot or Cold Spots
To detect a hot or cold spot, aim the thermometer at a region beyond the target and then scan the entire region in a slow, up/down motion.
Distance to Spot Ratio (Field of View)
The meter’s field of view is 12:1 (distance to spot ratio). For example, if the meter is 24 inches from the target (spot), the diameter of the target must be at least 2 inches. Other distances are shown below in the field of view diagram.
Note that measurements should normally be made closer than 2 feet from the target. The meter can measure from further distances but the measurement may be affected by external sources of light. In addition, the spot size may be so large that it encompasses surface areas not intended to be measured.
It is necessary to ensure that the size of the target is larger than the spot size. The smaller the target, the closer the distance should be. See the accompanying diagram.
Emissivity
Emissivity represents the energy reflectivity of a material. Most organic materials and painted or oxidized surfaces have an emissivity of approximately 0.95. If possible, masking tape or flat black paint should be applied to cover the measured surface.
Wait a period of time to allow the tape or paint to reach thermal equilibrium with the surface of the covered object. Measure the temperature of the surface covered with tape or paint only after equilibrium has been achieved.
6 IR260‐en‐GB_V1.2 1/16
EXTECH INSTRUMENTS
Measurement Notes
1. The object under test should be larger than the spot (target) size calculated by the field of view diagram.
2. If the surface of the object under test is covered with frost, oil, grime, etc., clean before taking measurements.
3. If an object's surface is highly reflective apply masking tape or flat black paint to the surface before measuring.
4. The meter may not make accurate measurements through transparent surfaces such as glass.
5. Steam, dust, smoke, etc. can obscure measurements.
6. The meter compensates for deviations in ambient temperature. It can, however, take up to
30 minutes for the meter to adjust to extremely wide ambient temperature changes.
7. To find a hot spot, aim the meter outside the area of interest then scan across (in an up and down motion) until the hot spot is located.
Maintenance
Cleaning
To clean the lenses use compressed air to clear dust and other particles, then carefully clean with a wet cotton swab. The cotton swab should be moistened with clean water.
To clean the meter housing, wipe with a damp, soft cloth. Do not use solvents or abrasives. Do not immerse the IR260 in water or other liquid.
Troubleshooting
Symptom
OL display
‐OL display
Battery icon flashes
Blank display screen
No Laser pointer
Problem
Target temperature exceeds range
Target temperature under‐range
Low Battery power
Low battery power
Low battery or environmental temperature higher than 40°C (104°F)
Action
Select a target within range
Select a target within range
Replace Batteries
Check and/or replace batteries
Replace the batteries or move the
IR260 to an area with a lower ambient temperature
7 IR260‐en‐GB_V1.2 1/16
EXTECH INSTRUMENTS
Replacing Batteries
When the battery icon flashes, or when the meter doesn’t switch ON, replace the batteries.
The battery compartment is located in the handle grip. The battery compartment lid is located just below the trigger. Pry the compartment lid off to reach the compartment.
Replace the 1.5V AA batteries following correct polarity and then close the battery compartment lid.
Battery Safety Notes: Please dispose of batteries responsibly; never dispose of batteries in a fire, batteries may explode or leak. If the meter is not to be used for 60 days or more, remove the battery and store separately. Do not mix battery types or freshness levels; please use batteries of the same type and of the same freshness level.
Never dispose of used batteries or rechargeable batteries in household waste.
As consumers, users are legally required to take used batteries to appropriate collection sites, the retail store where the batteries were purchased, or wherever batteries are sold.
Disposal: Do not dispose of this instrument in household waste. The user is obligated to take end‐of‐life devices to a designated collection point for the disposal of electrical and electronic equipment.
8 IR260‐en‐GB_V1.2 1/16
EXTECH INSTRUMENTS
Specifications
Infrared Thermometer Specifications
Range / Resolution ‐20.0 to 400.0
o
C (‐4.0 to 752.0
o
F)
Accuracy ‐20~0 o
C (‐4~32 o
F): ±5°C (9°F)
0~400 o
C (32~752 o
F) ±2°C (3.6°F) or 2% of reading (whichever is greater)
Note: Accuracy is specified for the following ambient temperature range:
21 to 25°C (70 to 77°F)
Adjustable from 0.10 to 1.00 Emissivity
Field of View
Laser power
12:1 Distance to Spot ratio
Less than 1mW
Spectral response 630 to 670 nm (wavelength)
General Specifications
Display
Display rate
Backlit LCD display with function indicators
500ms approx.
Operating Temperature 0°C to 40°C (32°F to 104°F)
Operating Humidity
Power Supply
Automatic Power Off
Weight
Dimensions
Max. 75% RH
Two 1.5V AA Alkaline batteries
Meter shuts off automatically after 9 seconds
226g (8.0 oz.)
172 x 97 x 46mm (6.8 x 3.8 x 1.8”)
Copyright © 2015‐2016 FLIR Systems, Inc.
All rights reserved including the right of reproduction in whole or in part in any form
ISO‐9001 Certified
www.extech.com
9 IR260‐en‐GB_V1.2 1/16
