Laser TEMP-GUN™ M12™ Cordless Lithium-Ion Thermometer Kit for HVAC/R Kit

The Laser TEMP-GUN™ M12™ Cordless Lithium-Ion Thermometer Kit for HVAC/R is a heavy duty pistol grip infrared thermometer for professional commercial and industrial HVAC/R applications. Powered by the Milwaukee M12™ RED LITHIUM™ battery, the 2277-21 can safely measure temperatures between -22 to 1472° F (-30 to 800° C) with a 40 to 1 distance to spot ratio for even the most demanding industrial applications. In addition, the M12 Laser TEMP-GUN™ Thermometer for HVAC/R was designed with an extra bright LED flood light to increase end user productivity. The 2277-21 is covered by the Milwaukee 5-Year Warranty.

  • Infrared Surface Temperature Measurement from -22 to 1472° F (-30 to 800° C)
  • Contact Surface Temperature Measurement from -40 to 1022° F (-40 to 550° C)
  • 40:1 Distance to Spot Ratio. Measures a one foot spot from 40 feet away
  • Measure Ambient Humidity and Dew Point
  • High Contrast, White on Black Display with Backlight for easy reading
  • Extra Bright LED Floodlight increases usability in low light conditions
  • User Configurable Hi/Low Alarm Settings
  • Adjustable emissivity from 0.10 to 1.00 for increased accuracy
  • Unit Memory stores up to 20 temperature values

Battery Specifications

Voltage 12V
Battery Type 12 Volt Lithium Ion

Product Specifications

Display Type High Contrast White on Black
Switch Type Trigger
Tool Warranty 5 Years
Temp Yes
Temperature Range -22° to 1472°F (-30°C to 800°C)
Charge Time 30 Minutes
Basic Accuracy 1.50%
Distance to Spot Ratio 41 to 1
Response Time <500ms
Emissivity Adjustable, Built-in table 0.10 to 1.00 by 0.02
Data Storage Yes
Alarm HI LO Yes
Humidity Measurement Yes
K Type Thremocouple input Yes