This roughness tester is built in high capacity lithium battery, support for charging and use.
USB interface can be directly connected to the computer to transfer data or charging.
OLED display ensures excellent brightness and adaptability to various working conditions.

Specifications:
Product Name: Roughness Tester
Testing Principle: Inductance Type
Measurement Parameters: Ra, Rq: 0.05~20μm Rz, Rt: 0.1~50μm
Stroke Length (mm): 6
Sampling Length (mm): 0.25, 0.80, 2.50
Evaluation Length (mm): 1.25, 4.0
Indication Error: ±10%
Indication Variability: Arc Radius and Angle: 10um±1um
Angle: 90°
Sensor Stylus Static Force and Its Change Rate: Stylus static force: 0.016N
Force Change Rate: 800N/m
Power Supply: 3.7V lithium-ion battery
Dimensions: 106*70*24 mm

Product Includes:
1 Roughness Tester
1 Standard Calibration Block
1 Storage Box
1 USB Cable
1 Manual

Note:
1. The sensor is a precision instrument, so it should be carefully maintained.
2. Avoid exposure to expansion, moisture, oil, or strong magnetic fields. After each use, gently cover the instrument with the protective cap.
3. Do not touch the instrument or the object being measured during the measurement process to avoid affecting the measurement results.