Features: Large-size liquid crystal display, LCD backlight support, data display clear and easy to read, convenient light operation. It is a necessary tool for testing and maintenance of refrigeration equipment such as air conditioners, fridge and cold storage. Built-in 89 kinds of refrigerant pressure-evaporation temperature database, also calculate the subcooling superheat, to facilitate direct reading of operating process data. Also it tests percentage of vacuum measurement, pressure leak measurement, leak time speed record. The instrument uses high-strength engineering plastic and flexible non-slip silicone design. Long-life val ve switches, 1/4-inch standard interface design to ensure that the instrument's durability and versatility. Specification: Material: ABS Size: 185x110mm/7.3x4.3 inches Thickness: 43mm/1.7 inhces Pressure test unit: Kpa; Mpa; bar; inHg; PSI. Pressure test range: 0 Kpa 6000 Kpa Pressure test resolution: 1 Kpa Pressure test accuracy: +/- 0.5 %(FS)+ 5dgt Pressure overload limit: 10000 Kpa (10 Mpa; 100 bar;) Vacuum test: relative vacuum Vacuum test unit: Kpa; Mpa; bar; inHg; PSI. Vacuum test range: -101 Kpa 0 Kpa Vacuum test resolution: 1 Kpa Package Includes: 1x Pressure Gauge