BTMETER QX-1201 Digital Manometer, Dual-Port Gas Pressure Tester for HVAC | Air Pressure Meter, Differential Pressure Gauge, ±2.999 psi Range, ±0.3% FSO Accuracy, 12 Selectable Units, Backlit LCD

Features

• RANGE & AccuracyPro Gas Pressure Gauge QX-1201 could measure 2.999psi or 20.68Kpa with 0.29%FSO high accuracy and 0.001 resolution, display ambient temperature -40F~176F(-40~80). Handheld digital manometer with physical buttons are ergonomically designed
• Dual Input PortBased on dual port design, one for checking positive pressure, another for testing negative pressure and use these two port together to get the air pressure difference easily. Comes with two pieces 4mm diameter hoses and standard 1/8 inch hose adapter, practical air pressure tester to check & replace NaturalGas furnace gas valves, diagnose tanklesswater heater and measure static pressure in ductwork etc
• Zero OutBTMETER Manometro Supports "return to zero" function, easy to clear out the remainding data and easure you could get an accurate gas pressure measurement reading. A must have for every HVAC tech to check air flow pressure, static pressure or pressure switch during commercial AC air conditioner system installation & maintenance
• Easy to Use12 gas pressure unit options (mmHg, inHg, ftHO, cmHO, inHO, Pa, KPa, mbar, bar, psi, Kgcm and ozin) , 3 measure modes(Max, Min, differential DIF) and 5 buttons simple operation design, help you to get use of this 200g portable differential pressure monitor easily
• Practical DesignHD backlight LCD dispaly, show you the air pressure differential reading clearly even in dark. Auto power off feature to save battery life and one button Data Hold to freeze measurement reading freely. Quality differential pressure tester comes with lifetime technical support and 365 days warranty. No pressure purchasement