USER MANUAL InfraRed Thermometer Built‐in UV Refrigerant Leak Detector and Flashlight Model IR300UV
EXTECH INSTRUMENTS Introduction Congratulations on your purchase of the IR300UV IR Thermometer. This thermometer makes non‐contact (infrared) temperature measurements at the touch of a button. The built‐in coaxial laser pointer increases target accuracy while the backlit LCD and handy multi‐switch combine for convenient, ergonomic operation. The UV light source is convenient for locating leaks such as refrigerants.
EXTECH INSTRUMENTS Description Meter Description 1. 2. 3. 4. 5. 6. 7. 8.
EXTECH INSTRUMENTS Operation Meter Power The meter is powered by three 1.5V AA batteries. With fresh batteries installed, the meter switches ON when the trigger is pulled. Refer to the Maintenance section for Battery Installation instructions. The battery icon provides battery status indication. Replace the batteries as soon as the battery status icon indicates a low battery. Setting Mode The various parameters of the meter are set using the five‐way multi‐switch located below the display.
EXTECH INSTRUMENTS Setting Mode Detail 1. Flashlight Setting Enter the Setting mode. The Press up 2. for ON or OFF. Press to store the setting to change the units. Press to store the setting Emissivity Setting Enter the Setting mode. Advance until the EMS icon flashes. Press up 5. to store the setting Temperature Units Setting Enter the Setting mode. Advance until the °F or °C icon flashes. Press up 4. for ON or OFF. Press UV light Setting Enter the Setting mode.
EXTECH INSTRUMENTS Surface Temperature Measurements 1. Typical setting should be: Laser pointer ON, Backlight ON, Temperature units set as needed, Emissivity set to 0.95, APO (auto power OFF) set to 10 seconds and Flashlight ON if measuring in a dimly lit area. 2. Open the lens protective lens cover by rotating the cover wheel clockwise (facing the lens) until the dot is visible on the wheel. 3. Hold the meter by its Handle Grip and point it toward the surface to be measured. 4.
EXTECH INSTRUMENTS UV Leak Detector Inject a small amount of florescent dye into the system under test. The dye/system mixture (refrigerant, for example) will escape and accumulate at all leak sites. Turn the blue UV LEDs on in the Setting mode and scan the system. The residue of the dye at the leak can be easily observed under the UV light. Dyes are available at most HVAC supply outlets.
EXTECH INSTRUMENTS 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.
EXTECH INSTRUMENTS Maintenance Cleaning To clean the lens 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 IR300UV in water or other liquid. Replacing Batteries When the battery icon indicates a low battery, or when the meter doesn’t switch ON, replace the batteries.
EXTECH INSTRUMENTS General Specifications Display Backlit LCD display with function indicators Display resolution 0.1°C (0.2°F) Flashlight 5 white LEDs UV light 5 blue LEDs Operating Temperature 0°C to 50°C (32°F to 122°F) Operating Humidity 10 to 90% RH non condensing @ 30°C (86°F) Storage Temperature ‐20°C to 60°C (‐4°F to 140°F) without battery Operating Altitude 2000m (7000 ft.) above sea level Storage Altitude 12,000m (40,000 ft.) above sea level Drop Proof 1.2m (4 ft.
