Digital Manometer Differential Pressure Gauge, 2PCS 31.5'' Long Soft Tubes, 13 Selectable Units, 2 Ports Gas Pressure Tester HVAC Digital Manometer, LCD Screen & Indoor Temperature Measurement

What You Get - Digital Manometer, 2pcs longer Soft Tubes(Length of each: 31.5-inches), Barb Metal Connector, English User Manual, Storage Bag. Compact & Portable - GIMYUAN Portable Digital Manometer comes with a nice storage bag, easy to carry and keep. Compact size, suitable for handheld operation. Help you test and check the air and gas pressure accurately with the better pressure sensor. Powered by 9V battery. 2 Ports & Soft Tubing - With a single channel it is possible to quickly measure the current detection pressure value(relative to the current atmospheric pressure), whereas the dual channel allows simultaneous detection of the pressure difference between the two detectionports (P1-P2). Also comes with a metal gas barb port. Functions - Supports 13 Measurement (Units mmHg, inHg, umHg, ftH?O, cmH?O, inH?O, Pa, KPa, mbar, bar, psi, Kg/cm² and oz/in²), Data Recording & Holding & Zero, MAX/MIN mode, Indoor Temperature Measurement(?/?), larger LCD screen with backlight display, low battery reminder. Technical Parameters - Range: ±2.999psi/±20.68kPa; Accuracy: ± 0.3% FSO (25?); Repeatability: ± 0.2% (Max ± 0.5% FSO); Linearity/Hysteresis: ± 0.29%FSO (25?). Max pressure: 20kPa. Working temperature: 0~50?/32~122?. Wide Applications - This product can be extensively used in natural gas pipelines, air conditioning and refrigeration ventilation systems, mechanical hydraulics, plastic molding, ceramic products manufacturing, mining pressure testing, petrochemical Industrial smelting, gas, liquid and production industrial equipment pressure detection, liquid level detection, laboratory calibration, etc.