VTSYIQI Surface Roughness Tester Surface Roughness Machine Meter with 4 Testing Parameters (µm）Ra Rz Rq Rt Accuracy 0.01μm Measuring Range Ra Rq 0.05~15.0μm Rz Rt 0.1~50.0μm Indication Stroke Length 6mm

Main Features:

1:Shell used to pull aluminum mold design, durable, anti-electromagnetic interference ability significantly.

2:Using high-speed DSP processor for data processing and calculation, measurement and computation speed is greatly improved.

3:Liquid crystal display wide temperature using OLED color display, popular high brightness, no visual angle, is suitable for various occasions.

4:The lithium ion rechargeable battery, can work for a long time, no memory effect, can while charging, charging time is short, long battery life.

5:Using a dedicated charger or computer USB port for charging, convenient and quick.

6:Real-time monitoring of lithium battery power and display, and to remind users to charge with charging progress indication.

7:Automatic shutdown function and low power design with long working hours, suitable for field use.

8:The surface roughness of metal and non-metallic.

9:Pocket-size & economically

10:Large measuring range suitable for most materials

11:Optimized electric circuit design with transducer structure-design, high integrate power.

12:It could test ex-circle, flat surface, conical surface and also test groove larger than 80*30mm.

Technical Specifications

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 (mm):6

Indication accuracy:0.01

Indication error: ±(7-10)%

Variability: <12%

Power: Rechargeable li-battery

Stylus static force:≤ 0.016N

Force measuring rate of change: ≤ 800N/m

Relative humidity: <90%

Weight of Host: 200g

Size: 106mmx70mmx24mm