Also Refrigeration Digital Manifold Gauge tests percentage of vacuum measurement; pressure leak measurement, leak for time speed record Double pressure measure:, Digital Manometer Air Conditioning Tools are able to measure double pressure ( gauge pressure) at the same for time, as well as temperature measurement The Refrigeration Digital Manifold Gauge can measure double pressure at the same for time, as well as temperature measurement, with automatic multi-unit pressure conversion, automatic conversion of temperature Celsius /, to facilitate different needs Digital Manifold Gauge is suitable for car refrigeration, and Built-in 32-bit digital processing unit and high-precision data acquisition unit, high data and stability Large-size liquid crystal display, LCD backlight, data display clear and easy to read, light The accurate and easy-to-operate digital manifold allows you to do the job correctly, Manufacturer: Tsophreniq