Digital Manometer Gas Pressure Tester, Professional Air Pressure Meter, Differential Pressure Gauge for HVAC, Gas Valve (GM520)

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• Fast & Accurate: The handheld manometer measuring ranges from ±35kPa / ±5.076psi; You can get accurate (±0.3%FSO (at 77℉/25℃)) readings in 0.5 seconds. Resolution: 0.001psi; Repeatability: ±0.2% (MAX±0.5%FSO); Linearity / Hysteresis: ±0.29%FSO
• Easy to Use：You can effortlessly switch between 11 units ( kPa, Psi, bar, mbar, kgf/cm2, mmHg, cmH2O, Ozf/in2, inHg, inH2O, ftH2O), displaying the difference/max/min/average during measurement
• Multi-Functional: The digital manometer has 2.4-inch backlit display, built-in USB interface for connecting to PC to obtain data information, Additionally, you can record readings, hold data, and adjust errors using zeroing and correction, over range indication, ambient temperature compensation, low battery indicator, auto power off and restores factory settings function
• Versatile Uses: The gas pressure tester very suitable for troubleshooting HVAC, generator, heater gas valve, gas furnace ducts, boilers, air pump, hot water tank, and more
• Lightweight & Sturdy: This air pressure meter is made from durable corrosion-resistant materials, with a sturdy rubber case that ensures long-term reliability, especially for HVAC professionals and DIY enthusiasts
• What You Get: 1x Manometer, 1x Adapter Test Ports(3/16inch),1x (5/16inch)/ 1x (1/8inch)/ 1x (1/4inch), 2x Soft Tubes(39inch), 1x USB Cable, 4x 1.5V AAA Batteries, 1x Operation Manual and 12 months warranty, and a friendly 24/7 professional customer service team