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U.S. Gauge offers ranges for R-12, R-22, R-502, R-134A, and R410A refrigerants, allowing the user to dedicate a HVAC pressure gauge set to each refrigerant, thus avoiding cross contamination. Each HVAC pressure gauge is rugged enough to mount directly on the cooling system or onto a portable manifold. They feature a one-piece threaded plastic ring, allowing quick, easy access to the pointer's internal adjustment screw. Adjusting the pointer to zero before use increases the overall accuracy of the system.
AMETEK U.S. Gauge
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