Mastercool 98061 Optical Vacuum Gauge in Clam Shell is equipped for the more accurate thermocouple technology usually used in portable tabletop devices. The Mastercool 98061 HVAC micron gauge allows self-calibration, includes a sensor that will never be harmed by tiny oil mists, and enables the user to configure a specific vacuum range with an indication of a light sensor.
Applications: HVAC, Air Conditioning, etc.