Model # IRT642

Internet #100659806

General Tools Wide Range Infrared Thermometer with K Port

Discontinued General Tools

Wide Range Infrared Thermometer with K Port

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Product Overview

For nearly 85 years General Tools has grown to become the recognized industry leader for specialty hand tools and instruments. The IRT642 is deal to use in building and plant maintenance, hazardous environments and most industrial jobs. A Certificate of Traceable Calibration is included to show this instrument has been calibrated in accordance with General Tools strenuous calibration procedures during the manufacturing process, established specifically for the manufacture of test instruments. General Tools & Instruments further certifies that this instrument meets or exceeds published measurement specifications and has been calibrated using standards traceable to the National Institute of Standards and Technology (NIST/USA) or the National Measurement Laboratory R.O.C (NML/ROC).

  • E-Smart Automatic emissivity adjustment for accurate measurement
  • Includes Certificate of Traceable Calibration
  • Temperature sensitivity color LCD display alert
  • Extended, long time measuring reliability
  • Switchable ON/OFF Laser sighting
  • Distance to spot ratio: 12:1
  • Accuracy at ambient temperature of 77 deg F/25 deg): ±5 deg F (±3 deg C) within -25 deg to -4 deg F (-32 deg to -20 deg C); ±3 deg F (±2 deg C) within -4 deg to 212 deg F (-20 deg to 100 deg C); ±2% within 212 deg to 999 deg F (100 deg to 535 deg C)

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Name Wide Range Infrared Thermometer with K Port 12-Volt MAX Lithium-Ion Infrared Thermometer Kit 75 mm Heat Index Monitor with Black Ball M12 12-Volt Lithium-Ion Cordless Laser Temp Gun for HVAC/R
Brand General Tools DEWALT General Tools Milwaukee
Ratings (3) (5) (0) (2)
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Product Depth (in.)
Product Height (in.)
Product Width (in.)


Automatic Emissivity Adjustment
Automatic Shut-off
Batteries Included
Battery Charger Included
Case Included
Data Log/Record
Data hold
Display Type
Distance to Spot Ratio
Automatic Emissivity Adjustment,Backlit,Data Hold,Data Log/Record,Impact Resistant
Impact Resistant
Low Battery Indicator
Max Accurate Temp Measurement (F)
Min Accurate Temp Measurement (F)
Number of Batteries Required
On/Off Switch for Laser Sight
Product Weight (lb.)
Reference Scale Included
Test Meter Type
Infrared Thermometer
Tools Product Type
Test Meter
Water Resistant

Warranty / Certifications

Manufacturer Warranty
1 Year

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Customer Questions & Answers

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Customer Reviews

Wide Range Infrared Thermometer with K Port is rated 5.0 out of 5 by 3.
Rated 5 out of 5 by from Works great I got this to check around doors, windows, Attic ladders and other places to see where else I might be losing heat/AC. First checked it against the thermostat and it was only 1/2 a degree off (as the picture shows). So I started around the house with it. It worked from across the room to up close. Found I need to replace my back door. It's not as good as I thought it was. This one is well worth the price. Glad I got it for my tool set.
Date published: 2011-06-11
Rated 5 out of 5 by from Saveing money and energy I used this to find where heat was leaking from my house.I then used this information to seal air leaks and stop heat loss by my windows,electrical outlets etc. It payed for itself in just a few hours and I was glad to let my friend and neighbors use it too. I would recommend this to anyone who would like to save money and cut down on their energy use to curtail greenhouse gases. Enough said, get it for a better and warmer tomorrow.
Date published: 2010-01-05
Rated 5 out of 5 by from Infrared Thermometer Great value and price for a great tool. Helped me evaluate the efficiency of my central air system. Allowed me to note the temperature differences at the registers from room to room. Easy to use and an affordable addition to any tool chest. Product arrived at my address in a timely manner (about a week). Wouldn't hesitate buying anything online from Home Depot in the future.
Date published: 2010-01-23
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