Metrix Plus Surftest 50 Deg C Surface Roughness Tester comprises an internal battery that can handle various voltages and is also equipped with a removable motorised sensor. A diamond stylus is present on the motorised sensor that puts pressure on the surface to measure roughness. The tester can be recharged with the help of a USB adapter. The 50 Deg C Surface Roughness Tester can be connected to the computer through a cable, and the data with calculations can be transferred. Various adjustable filters are present in the Surface Roughness Tester to measure the surfaces of different metals. The built-in rechargeable battery provides a substantial operating time on the device. With an external communication cable, the device can be connected to any PC for easy statistical calculations. Product Specification- Brand- Metrix plus Model-Surftest 10 Measuring range- 0.005- 10 micro m Probe angle- 90 degree Temperature- 0-50 Degree C Probe vertical radius- 48 mm Power- Li-ion Rechargeable battery