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Summary of Contents for Extech Instruments MD13628
- Page 1 USER GUIDE Mini InfraRed Thermometer With Laser Pointer and High‐Low Alarms Model IR260 ...
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Page 2: International Safety Symbols
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 Do not directly or indirectly point the laser at the eyes of a person or an animal Inspect for damage or for any shortage of parts or accessories before use Replace the batteries immediately after the battery indicator flashes Do not use the thermometer near explosive gases, steam, or dust Note that an object with high reflectivity will normally cause the measured ... -
Page 3: Meter Description
EXTECH INSTRUMENTS 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 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 IR260‐en‐GB_V1.2 1/16 ... -
Page 4: Operation
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 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 ... -
Page 5: Setting Mode
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 ... - Page 6 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. IR260‐en‐GB_V1.2 1/16 ...
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Page 7: Measurement Notes
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 Problem Action OL display Target temperature exceeds range Select a target within range ‐OL display Target temperature under‐range Select a target within range Battery icon flashes Low Battery power Replace Batteries ... -
Page 8: Replacing Batteries
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. IR260‐en‐GB_V1.2 1/16 ... -
Page 9: General Specifications
EXTECH INSTRUMENTS Specifications Infrared Thermometer Specifications Range / Resolution ‐20.0 to 400.0 C (‐4.0 to 752.0 F) Accuracy ‐20~0 C (‐4~32 F): ±5°C (9°F) 0~400 C (32~752 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) Emissivity Adjustable from 0.10 to 1.00 Field of View 12:1 Distance to Spot ratio Laser power Less than 1mW Spectral response 630 to 670 nm (wavelength) General Specifications Display Backlit LCD display with function indicators Display rate 500ms approx. Operating Temperature 0°C to 40°C (32°F to 104°F) Operating Humidity Max. 75% RH Power Supply Two 1.5V AA Alkaline batteries Automatic Power Off Meter shuts off automatically after 9 seconds Weight 226g (8.0 oz.) Dimensions 172 x 97 x 46mm (6.8 x 3.8 x 1.8”) ...
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