Features 1??Practical auxiliary instrument used to install, test and maintain air?conditioning equipment such as air conditioners and cold storage. 2??With dual pressure test, dual temperature test (need test clip, not included), digital reading, multi?unit switching, automatic conversion of Celsius/Fahrenheit temperature, multi?mode function and built?in refrigerant database. 3??Built?in 32?bit digital processing unit and high?accuracy data acquisition unit, the data volume is high and stable. Large?size LCD, support backlight, clear and easy to read, and light operation is convenient. The long?life valve switch and 1/4 inch standard interface design ensure the durability and versatility of the instrument. 4??Built?in 89 kinds of refrigerant pressure?evaporation temperature database, and also calculate the degree of subcooling and superheat, which is convenient to directly read the operating process data. It also tests the percentage of vacuum measurement; pressure leaks measurement, leaks time speed record. 5??Using high?strength engineering plastics and flexible non?slip silicone design, the whole machine is sturdy and durable, which has long lifespan. Specification Item Type: Refrigeration Pressure Gauge Material: ABS + Copper + PVC How to Use: 1. Connect the instrument correctly 2. After connecting the instrument, connect the working hose to the vehicle and start it 3. Observe the display parameters of the meter and get the measurement result Specifications: Pressure Test: Gauge Pressure 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 Temperature Test Unit: ?? (Celsius), ?H (Fahrenheit) Temperature Test Range: -40?? - 150?? (-40?H - 302?H) Temperature Test Resolution: 0.1?? (-40?? - 99.9??), 1?? (100??-150??) 0.1?H (-40?H - 99.9?H), 1?H (100?H - 302?H) Temperature Test Accuracy: +/- 0.5?? + 2dgt +/- 0.9?H + 2dgt Built-In 89 Kinds Of Refrigerant NIST: According to American NIST standard Power Supply: 4 x AA Battery (not include) Safety Rules and Precautions 1) The pressure measured by the digtal manifold pressure tester is gauge pressure. 2) Pressure testing ranges from -101Kpa to 6Mpa (-0.1bar to 60bar). 3) The limit pressure is 10 Mpa (100 bar). 4) The maximum operating pressure of standard hose is 600 PSI ( approximate 4.13 Mpa, 41.3 bar ). The limit pressure is 3000 PSI approximate 20.68 Mpa, 206.8 bar ). 5) Please confirm the rated pressure value of the tested equipment before testing. Do not use it if it exceeds the range of the instrument. 6) Do not use and store the instrument in high temperature, high humidity, flammable, explosive and strong electromagnetic fields. 7) Please do not change the instrument internal circuit, to avoid any damage of the instrument or danger occurring. 8) Please wear qualified protective equipment to protect user during testing. 9) Please use the instrument in a well-ventilated environment to prevent inhalation of toxic gases. Package List 1 x Refrigeration Pressure Gauge 3 x Working Connection Pipe (one for each of three colors, length 1.5m/4.9ft) 2 x Clip 4 x Auxiliary Terminal Accessories 1 x Instruction Manual 1 x Storage Tool Box