Mastercool 99103-A-2 2-Way Digital HVAC Charging Manifold is designed to measure pressures, saturated temperatures, actual temperatures, superheat and subcooling temperatures for over 60 different refrigerant types. The Mastercool 99103-A-2 features a durable rubbed boot and tough ABS construction. This model includes the manifold and 2 thermocouple clamps. Vacuum sensor is sold separately.