Digital Push-Pull Force Gauge Pull-Out Force Tester Tensile Testing Machine Model HP-5 Maximum Load 5N Graduation 0.001N Accuracy ±0.5% Units N (Newton), Kg (kilogram), Lb (pound) Communication Interface RS-232 Battery Pack Ni-Hi 7.2V 1300mAh Power Adapter Input: 110~240V 50-60Hz 200mA Output: 9V 400mA Sensor Built-in Operating Temperature 5℃~35℃ Transport Temperature -10℃-60℃ Relative Humidity 15%~80%RH Weight 1kg Gross Weight 2kg Dimensions 230x66x36 (mm) Operating Environment: Free from vibration sources and corrosive media