ET-921 LCD Display Manometer Mini Gas Differential Pressure Gauge Manometer

[vc_row][vc_column][vc_column_text]Introduction This product is designed to measure differential pressure (the difference between two pressure measurements). It offers 11 units of measure(user selectable): inH2O, psi, bar, mbar, kPa, inHg, mmHg, ozin2, , ftH2O, cmH2O, kgcm2 and has a differential input that uses convenient quick-disconect fittings. it is perfect for HVAC technician, operation maintenance engineers and researchers. as well as those in the pneumatic and medical fields. Operation steps 1 Open battery cover and install a 9-volt battery in the battery compartment. Press power on/off button to start measuring 2 Press UNITS button to select the desired the unit of measure. 3 Connect tube to the input port(s). 4 Star measuring and view the readings on the LCD screen. Accessorie ① User Manual ② Carry Pouch ③ One “6F22”9V battery ④ 2pcs of ∮4.5mm metal barbed for tubing ⑤ 2pcs of ∮5.0mm*30mm soft tubing ⑥ 2pcs of ∮5.0mm*30mm hard tubing it ET-920 ET-921 ET-922 range resolution range resolution range resolution inH2O ±55.40 0.01 ±138 0.1 ±415.2 0.1 Psi ±2.000 0.001 ±5.000 0.001 ±15.00 0.01 Mbar ±137.8 0.1 ±344.7 0.1 ±1034 1 KPa ±13.79 0.01 ±34.47 0.01 ±103.4 0.1 inHg ±0.407 0.001 ±1.018 0.001 ±30.54 0.01 mmHg ±103.4 0.1 ±258.5 0.1 ±775.7 0.1 ozin² ±32.00 0..01 ±80 1 ±240.0 0.1 ftH2O ±4.612 0.001 ±11.53 0.01 ±34.60 0.01 cmH2O ±140.6 0.1 ±351.5 0.1 ±1055 1 kgcm² ±0.140 0.001 ±0.351 0.001 ±1.055 0.001 bar ±0.137 0.001 ±0.344 0.001 ±1.034 0.001 Maximum Pressure 10 psi 20 psi 100 psi Accuracy ±0.3%FS Linearity/Hysteresis ±0.1%FS Repeatability ±0.25%FS Input ports Two metal 4.5mm barbed for 1/8〞（3.18mm）ID tubing Working temperature 0～40℃/32～104℉ Storage temperature -10～60℃/14～140℉ Overrange indication ERR1 or ERR2 Power supply 9V battery [/vc_column_text][/vc_column][/vc_row]