Features 1、Providing Data For Installation And Maintenance Work: Coolant pressure gauge set to determine the low and high pressure side pressure, real time test pressure to get the corresponding saturation temperature, can help you install or repair the refrigeration system more easily. 2、High Accuracy: 90 types of refrigerants and corresponding temperature gauge data in accordance with NIST standard are built in. When charging coolant, coolant charging status can be observed through the viewable window. 3、Multi Unit Conversion Function: This digital manifold pressure gauge has multi unit conversion functions: such as KPa, Bar, PSI, InHg, KgF/cm² switching, Celsius, Fahrenheit switching, to meet different needs. 4、Multiple Modes: This digital manifold pressure gauge has various modes such as coolant pressure mode, vacuum percentage mode, and leak detection mode. 5、2 Valve And 3 Hoses: 2 way and 3 way valve block can measure high and low pressure lines. 3 colors of hoses are provided for easy identification, red for high pressure, blue for low pressure and yellow for coolant bottle. Specification Item Type: Digital Manifold Gauge Set Material: ABS, Brass Battery: 2 x 9V 6F22 800mAh Dry Battery ( Shipped With Matching Battery ) Built in 90 types of refrigerants and corresponding temperature gauge data according to US NIST standard. Modes: Coolant Pressure Mode, Vacuum Percentage Mode, Leak Detection Mode Real Time Vacuum Pressure Test and Percentage Indication Pressure Unit: KPa, Bar, PSI, InHg, KgF/cm2 Temperature Unit: ℃, ℉ Test Range: 0 KPa-6000 KPa Resolution: 1KPa Accuracy: ± 0.5% Overload: 10MPa Operating Temperature: Approx. -20℃-60℃ / -4-140℉ Automatic Shutdown Function: 10 Minutes (Switchable On/Off, Default On) Package List 1 x Digital Manifold Gauge 3 x Hose 2 x Conversion Connector 2 x Battery 1 x Storage Box