HVAC Thermometers

This infrared thermometer features a 12:1 distance to spot ratio and is capable of measuring temperatures up to 752°F (400°C). The R2300 is an affordable non-contact measurement solution able to quickly and efficiently measure the temperature of hot, hazardous or hard-to reach objects from a safe distance. Features: Built-in laser pointer identifies target area User selectable °F or °C 12:1 distance to spot size ratio Digitally adjustable emissivity Max and Min readings Backlit display High and low alarms Low battery indication and auto shut off Applications: Verify mechanical (bearings, ...

Mastercool's® high precision charging scale accurately measures small cans of refrigerant for charging systems that need a precise charge. Features: Hex cylinder adapter included for easy attachment of refrigerant cylinder to scale Specially designed for R600a and R290 Built in check valve will hold any remaining refrigerant within the 36" nylon tube Slim design for easy storage Two button keypad for easy operation Unit change (grams & ounces) One touch tare weighing function Auto zero Auto off automatically turns off its power if the scale is not used within 3 hours

The 55800 leak detector employs a new metal oxide gas sensor for the detection of chlorofluorocarbon gasses and blends. This tin oxide sensor is characterized by high sensitivity and fast response, upon detecting the presence of extremely small levels of chlorofluorocarbon gases. Integrated into the design is a powerful microprocessor that automatically selects the best-operating conditions for the sensor, to ensure optimum performance. The optimum sensor performance is maintained and monitored throughout the life of the sensor. LCD Features: WAIT: This indication flashes whenever the ...

A good quality vacuum pump is an integral tool for complete A/C service. Mastercool® vacuum pumps are durable and time-tested. They stand up to the most grueling conditions and will provide years of reliable service. Mastercool® offers a complete selection of pumps. Regardless of your service requirements, Mastercool® has a model for your applications. Features: New U.S. Design Stronger motor Gas ballast valve helps prevent oil contamination caused by high moisture Easily removable vapor discharge/oil fill port. Contains internal check valve to prevent escape of liquid oil Large oil level ...

Mastercool® is the leading manufacturer of professional quality A/C manifold gauge sets. Our manifold gauge sets are constructed of the finest materials and machined with precision to the highest quality standards. At Mastercool, every manifold we build is built to last. Features: 3-1/8" ga (PSI, ° F) 1/4" MFL Heavy duty forged brass body Large all metal handles are angled for ease of operation Free-floating piston type valves reduce o-ring wear Hose holder for convenient storage Silicone dampened gauges smooth out needle movement Gauges can be easily recalibrated in the field to ...