AUTOOL Manometer Gas Pressure Tester, Mini Digital HVAC, 6 Units Differential Dual Port Gauge 101 to 200Kpa, Data Zeroing with Backlight LCD Display

【Measuring Range】-101 to 200 kPa / -14.6 to 29 psi , Accuracy: ±0.5% FS. INCLUDES: PT503 Digital Manometer, 1m of 1/8-Inch inside diameter silicone tubing, 2 x AAA batteries, 7 Connectors, and instructions. Switch freely between the 6 measurement units psi, kPa, mbar, bar, inHg, mmHg. 【Atmospheric pressure calibration】Power on and auto zero for atmospheric pressure calibration. Note: It can not be turned on under pressure, otherwise it will lead to inaccurate measurement results. 【Hold Data】The fieldpiece manometer is designed with data lock function, which can lock the value and interface for easy reading. 【LCD Backlight Display】Large Backlit LCD provides easy viewing in low light conditions. The manometer will automatically shut off after 5 minutes of no pressure, no operation. 【Three Years Warranty】For any quality problems. If PT503 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.