The intelligent electronic refrigerant group instrument is an auxiliary instrument for the installation, testing and maintenance of refrigeration equipment such as air conditioners and cold storage. The instrument has double pressure test, dual temperature test (need test clip,not include), digital readout, multi-unit switching, multi-mode function and built-in refrigerant database.Feature:The instrument uses high-strength engineering plastics and flexible non-slip silicone design, the whole machine is solid and comfortable to hold.Built-in 32-bit digital processing unit and high-precision data acquisition unit, high data and stability.Large-size liquid crystal display, LCD backlight support, data display clear and easy to read, convenient light operation.Long-life valve switch, 1/4-inch standard interface design to ensure that the instrument's durability and versatility.Built-in 89 kinds of refrigerant pressure-evaporation temperature database, also calculate the subcooling superheat, to facilitate direct reading of operating process data.It tests percentage of vacuum measurement; pressure leak measurement, leak time speed record.Multi-functional, accurate and simply operated digital manifold let you do the work right.Specifications:Material: plasticsPressure test range: 0 Kpa 6000 KpaPressure test resolution: 1 KpaPressure test accuracy: +/- 0.5 %+ 5dgtPressure overload limit: 10000 Kpa (10 Mpa; 100 bar;)Vacuum test range: -101 Kpa 0 KpaVacuum test resolution: 1 KpaTemperature test ranges: -40C150C (-40F302F)Temperature test resolution:0.1C (-40C99.9C), 1C (100C150C)0.1F (-40F99.9F), 1F (100F302F)Temperature test accuracy: +/- 0.5 C + 2dgt +/- 0.9 F + 2dgtPower: 4 * 1.5V (SIZE.AA / LR6) Battery not includeItem weight: 1500g / 3.3lbPackage size: 250 * 150 * 80mm / 9.8 * 5.9 * 3.1inPackage weight: 1800g / 4.0lbPackage List:1 * Refrigerantion Digital Manifold Gauge1 * User Manual2 * Temperature Clip3 * Test Pipe