Editorial Reviews:
Product Description
The Milwaukee Laser TEMP-GUN M12 Cordless Thermometer for HVAC/R is a heavy-duty pistol-grip infrared thermometer for professional commercial and industrial HVAC/R applications. The 2277-20 safely measures temperatures between -22 to 1472deg F (-30 to 800deg C) with a 40-to-1 distance-to-spot ratio for even the most demanding industrial applications. Laser Guide: Yes, Accuracy: 1.5%, Ratio: Distance-to-spot ratio of 40:1, Temperature Scale: Celsius and Fahrenheit, Thermostate Range (deg F): Noncontact readings from -22 - 1472deg F, Common Usage: Diagnostics Thermometer, LCD Display: No, white on black display with backlight, Handle Type: Pistol grip, Batteries Required: Yes, Battery Type: M12 Li-Ion battery, Charger Included: No, Dimensions L x W x H (in.): 9 1/16 x 6 7/8 x 2 9/16, Single, Pair, or Set: Single, Includes: <500ms response time, Storage Case Included: No
Amazon.com Product Description
Measure temperature safely and accurately with the Milwaukee 2277-20 12V Laser Temp-Gun Thermometer with Humidity & Dew Point. Ideal for electricians, HVAC/R technicians, general contractors, construction workers, and plumbing professionals, this easy-to-use thermometer is part of Milwaukee's Test & Measure line of products. It identifies hot spots, prevents damage to electrical equipment, and checks the status of your project as it progresses. | | 2277-20 Laser TEMP-GUN M12 Cordless Thermometer for HVAC/R | | Voltage | 12V | | Temperature Range | -30 to 800°C
(-22 to 1472°F) | | Basic Accuracy | 1.50% | | Distance to Spot | 40 to 1 | | Contact Temperature | -40 to 550°F
(-40 to 1022°C) | | Display Resolution | 0.1°C (0.1°F) | | Response time | <500 mS | | Emissivity Adjustable | 0.10 to 1.00 | | MIN/MAX/AVG/DIF | Yes | | Data Storage | Yes, 20 Points | | Alarm (HI/LO) | Yes | | Locking Trigger | Yes | | Display Backlight | Yes | | Display Type | White on Black LCD | | LED flood light | Yes | | Humidity Measurement | Yes | | Dew Point Measurement | Yes | | Rugged over-molding | Yes | | Battery | M12 LITHIUM-ION Battery |
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The high-contrast display is clear and easy to read. View larger. |
Thermometer with 40:1 Distance-to-Spot Ratio Measures Humidity and Dew PointBecause everything gives off a surface temperature, the 2277-20 is an extremely valuable tool that can help prevent damage to electrical equipment. Accurate to 1.0 percent and featuring embedded non-contact voltage detection, it can perform quick troubleshooting checks, such as indicating if concrete has properly set up or if there's a water leak behind a wall.Able to measure a one-foot area from 40 feet away, the 2277-20 shares the same features as the Milwaukee's 2276-20 Laser Temp-Gun Thermometer, but with the ability to measure ambient humidity and dew points indoors. 
Rugged over-molding provides durability and a comfortable grip. View larger. |
Checking mechanical equipment or electrical circuit breakers in panels can be dangerous, but thanks to the 2277-20's high-performance features and safe design, you can quickly and easily gather infrared surface-temperature readings from -22 to 1,472 degrees Fahrenheit and contact surface-temperature readings from -40 to 1,022 degrees Fahrenheit.Featuring a simple user interface and features that are specifically designed for professional, industrial, and commercial applications, the 2277-20 offers configurable high/low alarm settings, an adjustable emissivity range from 0.10 to 1.00, unit memory that stores up to 20 temperatures, and a lockable trigger for continuous readings. It also shows minimum, maximum and average temperatures, as well as differences in temperature. The K-type thermocouple input measures contact temperature, and all results are shown on a high-contrast, best-in-class, easy-to-read display. Easy to handle and hold, the 2277-20 has rugged over-molding for durability and a comfortable grip and comes equipped with a bright LED floodlight. The 2277-20 is backed by a five-year warranty.
Reliable, long-lasting LITHIUM-ION power is just one part of a full feature set. |
M12 Lithium-Ion Power: Compact, Lightweight, and Dependable
The 2277-20 owes its long-lasting, fade-free power to a 1.4-amp-hour lithium-ion battery. Since lithium-ion batteries are significantly smaller and lighter than competitive NiCad batteries, they play an integral role in making the 2277-20 ergonomic, comfortable to use, and easy to maneuver while you work. Also, lithium-ion batteries offer long battery life and charge in 30 minutes with the M12 charger. (not included)
Measure a one-foot area from up to 40 feet away. View larger. |
Test & Measure Tools: Inspect, Detect, and Access with Best-in-Class Features
Launched in 2009, Milwaukee's Test & Measure line features trade-specific tools designed to meet the demands of professional users, including electricians, HVAC/R technicians, builders, and remodelers. These innovative, battery-powered tools boast user-friendly, compact designs that stand up to rough-and-tough jobsites.Test & Measure tools also provide a range of best-in-class features for utility and productivity. Many of the units are available as separate models with features that are specifically tailored to the needs of electricians and HVAC/R technicians.
 About the Milwaukee Electric Tool Corporation
In 1924 Milwaukee Electric Tool introduced the Hole-Shooter, the first lightweight, portable, one-handed 1/4-inch-capacity drill, and the company has been dedicated to producing innovative, heavy-duty electric power tools that meet the needs of professional users ever since.
Milwaukee's product line has grown to include more than 500 tools and over 3,500 accessories. The company uses state-of-the-art technologies and sophisticated manufacturing techniques to ensure that quality is built into each of its tools, resulting in durable and reliable professional products. What's in the Box
2277-20 Thermometer; thermocouple (K-type); and manual.
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