SR180 Surface Roughness Tester

Name: SR180 Surface Roughness Tester
Brand: Beijing Lanetech Square Co., Ltd.

The device measures seven parameters: Ra, Rz, Rq, Rt, Rp, Rv, and Rc, utilizing a high-precision inductive sensor. It incorporates a GAUSS filter and adheres to the ISO4287 standard. The information is displayed on a 256X64 OLED screen. Powered by a built-in lithium-ion battery featuring a charging control circuit, it offers a high capacity with no memory effect, ensuring over 15 hours of continuous operation. Its aluminum mold construction not only provides durability but also enhances resistance to electromagnetic interference.

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Specification of SR180 Surface Roughness Tester

Parameters		Ra, Rz, Rq, Rt, Rp, Rv, Rc
Range		±80um with values
Displaying Accuracy		±10%
Indicating variability		≤6%
Resolution		0.01um
Testing Probe	Type	Inductive
	Stylus radius or angle	5um
	Stylus material	Diamond
Measuring Force		4mN/0.4gf/
Measuring Unit		Um/in
Sensor Angle		90 degree
Longitudinal radius of guide head		45mm
Maximum. Driving Length		6mm
Traverse speed		λ1: cut off =0.25mm, Vt=0.135mm/s λ2:cut off =0.8mm, Vt=0.5mm/s λ3: cut off =2.5mm, Vt=1mm/s
Power of tester		Built-in Rechargeable battery