Robinair's new Digital Gauges (P/N 11910, 11920) automatically perform pressure temperature calculations for up to 17 different refrigerants. Its compact design, large display and bright backlight provide technicians with accurate readings and ease of use in any location. Compatible with any manifold with 1/8" Pipe connection. Low pressure (0-250 psi) and high pressure (0-800 psi) gauges available.