Relaxweex Refrigeration Pressure Gauge with 12'' Hose Kit R22/r404/r-410a 0-800psi 1/8" Npt Lower Mount 30inhg-0-250psi, 250-500psi & 0-800psi Degree F 40345 Blue & 40344 Red Dial (80mm(3-1/8" Dial))

Features

• Functionality: air conditioner refrigeration pressure gauge for pressure measuring on refrigeration fluid R134a, R404A, R22, and R410A, R134A in blue Location, R404A in orange zone, R22 in green zone, R410A in pink zone
• Pressure Range: -30inhg-0-250psi, 250-500psi 0-800psi retarded, encapsulated silicone dampened movement for vibration proof
• Accuracy: +/-1.6%, pointer micro adjustable
• Bottom Mounting: lower mount in 1/8 '' NPT and 3-1/8 '' /80mm in dial face which are red and blue
• Material: blue and red steel case, brass wetted parts, dry, snap polycarbonate window, external adjustable hole on window; Notice: NPT thread size is a nominal pipe size, and it does not represent the true diameter