Digital Manifold Gauge is suitable for car refrigeration , and 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 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: Watreketal