1. Advance with 4.7 mm Tube connector, silicone tubing with 3mm inner diameter and 5mm outer diamter; 2. 11 selectable units of measurement kPa, psi, kgfcm2, ozin2, bar, mbar, inHg, mmHg, inH2O, ftH2O, cmH2O.; 3. Features like Data Hold, Error code Functions, auto power off disabled, LCD backlit dual display, Zeroing, offset and data compensation.; 4. Best for measuring the ventilation and air condition systems. Widely used for gas measurement, calibration, and any troubleshooting of any gas pressure systems.
; 5. User friendly and can re-calibrate the meter at anytime, handheld easy button for one hand operation