Surface JT8100 Roughness Tester

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The Surface JT8100 Roughness Tester is a new generation of Surface Roughness Tester Series. It features high accuracy, wide application, simple operation, portability and stable performance. The tester is widely used in measuring the surface roughness of various metals and non-metals. Its integrated structure of sensor and main body and hand-held design make it suitable to be used in production sites.



  • High-speed DSP processor for greatly improved speed
  • Liquid crystal display wide temperature using OLED colour display
  • The lithium-ion rechargeable battery, can work for a long time
  • Automatic shutdown function and low power design of software and hardware of the instrument with long working hours, suitable for field use
  • The surface roughness of metal and non-metallic
  • Pocket-size & economically price
  • Large measuring range suitable for most materials Optimized electric circuit design with transducer structure design, high integrate power
  • It could test ex-circle, flat surface, conical surface and also test groove larger than 80x30mm
  • Using a dedicated charger or computer USB port for charging, convenient and quick
  • Shell used to pull aluminium mould design, durable, antielectromagnetic interference ability significantly, in line with the design of the new trend



Testing Parameters Ra, Rz, Rq, Rt
Measuring Range (um) Ra, Rq: 0.05-15.0 / Rz, Rt : 0.1-50.0
Sample Length (mm) 0.25, 0.80, 2.50
Evaluation Length(mm) 1.25, 4.0, 5.0
Stroke Length 6mm
Indication Accuracy 0.01
Variability < 12%
Rechargeable Li-Battery Yes
Stylus Static Force 0.016N
Force Measuring Rate Of Change 800N/m
Weight Of Host 200g
Size 106mm x 70mm x 24mm
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