Reed ST-8890 Digital Manometer, 0-5 psi, +/-0.3% Accuracy

Measure gauge and differential pressure from 0 to 5 psi. 11 selectable units of measure: psi, in H2O, bar, mbar, kPa, inHg, mmHg, oz in2, ft H2O, cmH2O, kg cm2. Dual LCD readouts with backlighting. Minimum, maximum and average recording with time stamp. Data hold freezes the displayed reading. Push button zero adjust and offset readings. Low battery indication with auto power off. USB Output. Includes USB cable, tubing, hard carrying case and batteries. Specifications: Pressure ranges: 5.000 psi; 138.3 in H2O; 0.344 bar; 344.7 mbar, 34.47 kPa; 1.018 inHg; 258.5 mmHg, 80.00 oz sq in; 11.53 ft H2O; 351.5 cmH2O; 0.351 kg sq cm. Resolution: 0.001 psi; 0.1 in H2O; 0.001 bar; 0.1 mbar, 0.01 kPa; 0.01 inHg; 0.1 mmHg, 0.01 oz sq in; 0.01 ft H2O; 0.1 cmH2O; 0.001 kg sq cm. Accuracy: +/-0.3 percent f.s. Repeatability: +/-0.2 percent f.s. Hysteresis: +/-0.29 percent f.s. Maximum pressure: 5 psi. Response time: 0.5 second. Power supply: Single 9V battery.