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User Manual
IRT227
12:1 IR Thermometer with Type K
Introduction
Congratulations on your purchase of the Triplett Model IRT227 Mini IR
Thermometer.
The IRT227 IR thermometer measures and displays non-contact (infrared)
temperature readings and ambient air temperature. In addition, the Type K
thermocouple provides contact temperature measurements.
The built-in laser pointer increases target accuracy while the backlit LCD
and handy push-buttons combine for convenient, ergonomic operation. The
adjustable emissivity feature allows the IR thermometer to measure the
temperature of virtually any surface.
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Table of Contents
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Summary of Contents for Triplett IRT227
- Page 1 IRT227 12:1 IR Thermometer with Type K Introduction Congratulations on your purchase of the Triplett Model IRT227 Mini IR Thermometer. The IRT227 IR thermometer measures and displays non-contact (infrared) temperature readings and ambient air temperature. In addition, the Type K thermocouple provides contact temperature measurements.
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Page 2: International Safety Symbols
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 o Inspect for damage or for any shortage of parts or accessories before use o Replace the battery immediately after the... -
Page 3: Meter Description
Description Meter Description 1. LCD Display 2. Control Buttons 3. Lanyard 4. Type-K Thermocouple input jacks 5. Battery compartment (9V) 6. Measurement Trigger 7. IR Thermometer lens 8. Ambient temperature sensor 9. Laser pointer lens Display Description... -
Page 4: Meter Power
The meter defaults to the settings in use when the meter was last switched OFF. Ambient (Air) Temperature Measurements The IRT227 can measure the temperature of ambient air using the recessed temperature sensor located on the front of the meter next to the laser pointer lens. - Page 5 When finished, release the Trigger; the symbol will appear and the ambient air temperature reading will hold for 10 seconds. Contact Thermocouple (Type-K) Temperature Measurements To avoid electrical shock or personal injury, do not connect the external probe to live electrical circuits. 1.
- Page 6 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.
- Page 7 Emissivity The Emissivity setting is shown in small digits at the lower left corner of the display. To adjust the Emissivity please refer to the Settings mode section. Emissivity represents the 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.
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Page 8: Settings Mode
0.90 High and Low Temperature Alarms The IRT227 has a low alarm and a high alarm utility. Set the low and high alarm limits in the Settings mode. See the Settings mode section for details. The low and/or the high alarms can also be disabled in the Settings mode. - Page 9 is shown. Pull the trigger to return to the normal operating mode. The display (smaller digits lower right) will reflect the selected mode. Backlight – ON/OFF LitE Press the trigger and release. Use the button to step to the display. ET b oN or oFF.
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Page 10: Measurement Notes
Selecting the Temperature Unit of Measure (°C/°F) °C/°F. Pull the trigger and release. Use the utton to step to Use the C or °F. button to select ° Pull the trigger to return to the normal and the alarm buzzer will sound (if ‘bU2’ is set to ON). operating mode Setting the Alarm Buzzer ‘bU2’... -
Page 11: Maintenance
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 IRT227 in water or other liquid. Troubleshooting... -
Page 12: Battery Replacement
Battery Replacement When the battery icon flashes, or when the meter doesn’t switch ON, replace the battery: The battery compartment is located in the hand grip. The battery compartment lid is located just below the trigger. Open the battery door by prying with a thumb or finger at of the indentations near the top of the hand grip. -
Page 13: Temperature Specifications
Specifications Temperature Specifications Temperature Object (Surface Thermocouple (Type Mode Mode) Ambient (Air) -4 ~ 1112°F(-20 ~ -4 ~ 158°F (-20 ~ -58 ~ 1832°F (-50 ~ Range 600˚C), 70°C) 1000°C)* ± 4.1°F(2.4˚C) from -4 Accuracy ~ 1112°F(-20 ~ 600˚C), ± 4.1°F (2.4°C) from -58 ±... -
Page 14: General Specifications
Triplett / Jewell Instruments extends the following warranty to the original purchaser of these goods for use. Triplett warrants to the original purchaser for use that the products sold by it will be free from defects in workmanship and material for a period of (1) one year from the date of purchase.
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