The Robinair 11910 automatically performs pressure/temperature calculations for up to 17 different refrigerants. Its compact design, large display, and bright back light provide technicians with accurate readings and ease of use in any location. Compatible with numerous manifolds. 0 to 350 PSI. Robinair, a Bosch Automotive Service Solutions brand, is a global leader in service tools and equipment based in Owatonna, Minnesota. Robinair is recognized throughout the world as the quality and performance leader in AC/R evacuation tools and this position has led to its success with the full range of products that serve the heating/ventilating/air conditioning/refrigeration (HVAC-R) and mobile markets, which includes the automotive aftermarket along with other industries such as agriculture and construction.