AUTOOL Manometer Gas Pressure Tester, -100 to 300Kpa Digital Manometer HVAC, 11 Units Dual Differential Fieldpiece Manometer, Data Lock & Storage with Magnetic Back, 7 Fittings & Backlit Display

【Measuring Range】-100 to 300 kPa / -1000 to 3000hpa, Accuracy: ±0.25% FS. Support 11 pressure units. Easily toggle between inH2O, mbar, psi, kPa, Pa, hPa, inHg, mmHg, kg/cm2, mmH20, and Torr.
【Data Lock & Record & Zeroing】The digital manometer has data storage function, it can store up to 29 sets of data. The manometer also has a data lock key to lock the value and interface for easy reading. Press and hold the zero key for 5 seconds for atmospheric pressure calibration.
【Humanized Design】Large backlit LCD display and keyboard for user-friendly operation. Top illumination light provides easy viewing in low light conditions. The manometer will automatically shut off after 10 minutes of no pressure, no operation.
【Wide Application Range】The gas pressure tester can be used for intake manifold test, brake booster test, crankcase test, and also for oil, water, air, and gas pressure measurement. This dual port manometer also includes a protective rubber cover with a built-in magnet for handsfree operation.
【Three Years Warranty】For any quality problems. If PT530 has any defect, we will provide new replacement or solutions for our customers until satisfaction without delay, and provides lifetime technical support. For any needs, you are warmly welcomed to contact us and we will get back to you ASAP within 24 hours.

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