Blackmax MV4H4P5Z Manifold Gauge Set 4 Valves, 3 Hoses, Series BlackMax, 3 1 8 in Gauge A32100 Steel Secondary Material Application ISO Steel Secondary Material Application ISO Code K 25 ohm Capacitance Auto Discharge Yes Timed Ramp Voltage Test No Insulation Limit Alarm Yes Minimum Operating Temperature 14 Degrees F Minimum Insulation Resistance 0 R 410A Product Type Manifold Gauge Set Accuracy + 1% Manifold Port Connection Gender Male Low Side Display Pressure Maximum 500 psi Temperature Resolution 1 Degrees F Vacuum Port Connection Gender Female Includes Vacuum Port Vacuum Port Included Includes Gauge Boots Boots Included Vacuum Port Connection Type SAE Display Type Analog Calibration Certificate Type Not Certified Pressure Units Measured psi Hose Connection Type SAE Series BlackMax Low Side Display Pressure Minimum 30 in Hg Pressure Resolution 0 Includes Carrying Case