Tensile Force Tester with Digital Display, Push-Pull Force Tester, Tensile Force Testing Instrument, Force Measuring Instrument, Tensile Testing Machine Model HP-2 Maximum Load 2N Graduation Value 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°C to 35°C Transportation Temperature -10°C to 60°C Relative Humidity 15% to 80% RH Operating Environment No vibration sources or corrosive media in the surrounding environment