KKmoon Professional Dual-port Digital Manometer Handheld Differential Pressure Gauge HVAC Gas Pressure Meter Large LCD with Backlight

Features:
8 Selectable Units for Measurement: including inH2O, mbar, kPa, Pa, ftH2O, mmH2O, mmHg, and inHg, convenient for use.
Clear Digital Display: large LCD display with backlight ON/OFF, providing clear reading.
Data Hold: more convenient for checking the data and writing it down.
User-friendly Indicator: low battery indicator, pressure unit indicator, and Error codes for out of range indication.
Reliable Quality: designed with imported pressure sensors, high precision ADC and low-power MCU.
MAX/MIN Function: press the MAX/MIN button to view the maximum, minimum, and average values recording.
Wide Applications: can be used in detecting pressure in natural gas pipelines, refrigeration and ventilation systems of air-conditioning, mechanical hydraulics, plastic molding, ceramic product manufacturing, biopharmaceutical molding, mining area, petrochemical smelting, etc.