Leak Detectors & Test Instruments

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" (PSI, °F) gauges 1/4" MFL Solid extruded aluminum body Free-floating piston type valves reduce O-ring wear Extra access port for vacuum line Silicone dampened gauges smooth out needle movement Gauges can be easily recalibrated in the field to maintain accuracy An extra-large sight glass for visual ...

Product Description: Stands up to the most Gruelling Conditions- Mastercool®'s "Black Series" vacuum pumps are durable and time tested to stand up to the most gruelling conditions and will provide years of reliable service. This vacuum pump provides the power and mobility necessary for a wide variety of applications. Features: Refined cartridge machining process creates an improved surface finish extending the longevity of the pump life Expanded internal oil path creates less friction and ultimately less heat Upgraded seals insure maximum vacuum U.S. designed and tested Easy grip handle ...

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" (PSI, °F) gauges 1/4" MFL Solid extruded aluminum body Free-floating piston type valves reduce O-ring wear Extra access port for vacuum line Silicone dampened gauges smooth out needle movement Gauges can be easily recalibrated in the field to maintain accuracy An extra-large sight glass for visual ...

Yellow Jacket® SuperEvac LCD Vacuum Gauge 69075 Thermocouple technology has long been proven in laboratory and precision industrial instrumentation for sensing the deep vacuum range. Thermocouple sensors are factory calibrated and exhibit few of the electronic variances of thermistor sensors found in many other electronic gauges. Durable molded case with storage for sensor, cable and brass connector. Accuracy: ±20 Percent of reading. Thermocouple sensor features: No adjustments or warm-up. Stays calibrated after on/off switching and long evacuations Automatic battery compensation ...

Mastercool® introduces the new Spartan series smart manifold with Bluetooth® wireless technology. This smart manifold is equipped with a 4.3" color touchscreen LCD, allowing the user to navigate through all of the screens and options with a quick slide of their finger. Now with a built-in premium vacuum sensor and an accuracy down to 1 micron, there is no need for additional equipment to properly diagnose and service your A/C system. Offered in 2 way and 4-way options, this manifold will display pressure, vacuum, temperature, and will automatically calculate your superheat and subcool. ...