Item Type: Differential Manometer Material: ABS Plastic Size: Approx. 5.1 x 2.5 inches (12.9 x 6.4 cm) / 5.1 x 2.5 inches (391 g) / 13.8 oz (13.8 oz (39 g) Applications Ventilation and Air Conditioning System for Clean Room or Gas Pressure System Troubleshooting Easy Operation and Clearance Engineer Science Researchers Battery 3 x 1.5V AAA Battery not included. Measurement range: ± 103.42 KPa Accuracy: ± 1FS error: 1.04 KPa Pressure Limit: 206.7 KPa Reproductivity: ±0.25 FS Response Time: 0.5S Pressure Connection: 1/8 inch (3.18 mm) Quick Connection: Temperature and Humidity: 0401080RH Storage Temperature and Humidity: 1080RH Err1 or Er. r2 Range and Resolution Unit Range Resolution: KPa±103.420.01mmHg±775.70.1inHg±30.5400.001psi±15.000.001mbar±1034.20.1bar±1.0340.001ozin²±20.000 .01kg²±1.0550.001inH²O±415.200.01ftH²O±13.500.001cmH²O±1054.60.1 Package List1x Storage Bag x Differential Manometer Battery Not Included 4x Transparent Tube Adapters 2x Bag