Digital Surface Roughness Tester Ra Rz

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Product Description

Basic Information
Model NO.
SR-400T
Graphic
Rmr Curve, Roughness Curve, Primary Profile
Power
Rechargeable Li-Battery
Data Output
Built-in Printer
Transport Package
Carton Box
Specification
44x37x17cm, 4kg
HS Code
9031809090
Capacity
300 Sets Per Month
Product Description

The SR-400T Advanced Portable Surface Roughness Tester is designed for precision measuring on hard surfaces. It is widely utilized for metal and non-metal parts across machinery manufacturing, quality control, and commodity inspection departments. Its portable nature makes it ideal for large workpieces and production lines without causing damage to the surface.

Mechatronics Design: Embedded printer for immediate results and graphics output.
External Drive Unit: Flexible measurement for side, upward, and other orientations.
Large Measuring Range: 320μm standard range (enhanced up to 640μm optional).
Visual Interface: 3.5 inches color graphic LCD touch screen with high brightness and wide viewing angle.
Standards Compatibility: Compliant with ISO, DIN, ANSI, and JIS standards.
Long Battery Life: Over 50 hours of continuous working time with high-capacity Li-ion battery.
Digital Surface Roughness Tester Ra Rz
Digital Surface Roughness Tester Ra Rz
Technical Specifications
Parameter Details
Measuring Range Z Axis (Vertical) 320µm (-160µm~160µm) / 12600μin
X Axis (Transverse) 17.5mm (0.69 inch)
Resolution (Z axis) 0.002μm / ±20μm, up to 0.02μm / ±160μm
Parameters Ra, Rz, Rq, Rt, Rc, Rp, Rv, R3z, R3y, Rz(JIS), Ry, Rs, Rsk, Rku, Rmax, Rsm, Rmr, RPc, Rk, Rpk, Rvk, Mr1, Mr2
Standard ISO4287, ANSI b46.1, DIN4768, JISb601
Stylus Tip Diamond, 90° cone angle, 5μmR
Measuring Force Force < 4mN, Skid force < 400mN
Memory 100 groups of original data and waveforms
Main Unit Dimension 155 × 145 × 58mm
Standard Package
Item Name Qty
1Main Unit1
2Groove Sensor1
340mm Height Adapter1
4Calibration Specimen1
5Specimen Holder1
6Extension Cable1
7Touch Pen1
8Power Charger & USB Cable1
9Instrument Case1
Product Certificates
Application FAQ
Frequently Asked Questions
1. What is the maximum measuring range of the SR-400T?
The standard vertical (Z-axis) measuring range is 320μm (-160μm to 160μm), with an optional enhanced type available up to 640μm.
2. Does the device support real-time data printing?
Yes, it features a mechatronics design with an embedded printer that can directly print out measurement results and waveforms.
3. Is the device compatible with international standards?
The SR-400T is fully compatible with ISO, DIN, ANSI, and JIS national and international standards.
4. How long can the battery last on a single charge?
The built-in high-capacity lithium-ion rechargeable battery provides a continuous working time of more than 50 hours.
5. Can the device store previous measurement data?
Yes, the large internal memory can store up to 100 groups of original data and waveforms for later review.
6. What type of screen does the SR-400T use?
It features a 3.5-inch color graphic LCD touch screen with a backlight, offering both button and touch screen dual operation.

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