Manometer, Professional Air Pressure Meter, Dual-Port HVAC Digital Manometer Gas Pressure Tester, 11 Selectable Units Differential Pressure Gauge, -35.1 to 35.1 Kpa (Included Battery)

【What you will Get 】NF-565 Digital Manometer, 4* hoses, User Manual, 1*9V Zinc-carbon-manganese Battery, Packing box, Cloth bag, add other accessories. For any quality problems. If NF-565 has any defect, we will provide new replacement or solutions for our customers until satisfaction without delay. 【KELIN KELE digital manometer】 It has dual Input that can test / measure the differential gas pressure with its provided twin input probes.Max / minimum record function; Data save function, also has room temperature future. 【Data Reset& Smart Power Saving】held down the “TIME” button and the “DIF/HOLD” button at the same time and in a couple of seconds the display went to zero. It offers adjustable auto power-off if no operation (after 10 minutes). 【11 Selectable Units of Measure 】KPa, Psi, Kgfcm2, Ozin2, Bar, mbar, inHg, mmHg, InH2O, FtH2O, cmH2O with function: Data Hold and Error Code - Response Time: 0.5 Sec. Selectable pressure range】±5.08psi; Accuracy: ±0.3%FS ; Repeatability: ±0.25S%FS. 【User-Friendly Design & Smart Power Saving 】With 32-bit MCU and 24-bit ADC make the measurement of air press faster and more accurately. The gas pressure tester features a portable handheld design and is equipped with an LCD backlit display for easy reading in low-light conditions. 【Wide Application Range】This digital handheld manometers can measure the air pressure of the single pipe or differential pressure of two pipes. it is suitable for measuring of ventilation and air condition systems, and widely use forgas measurement,calibration,and any trouble shooting of any gas pressure systems, Perfect for working on tankless heaters,Very handy to set gas pressures on electric valves,Using for service testing of gas pressure on domestic boilers, Measures Air Flow about your bathroom fan ect.