Surface Roughness Tester LSRT-T2010

Introduction

Surface Roughness Tester has a measuring range of 640 µm (-320 µm to +320 µm) for Z-axis and 17.5 mm for X-axis. This tester comprises of a main unit and an external drive unit, allowing for more flexible measurements. The main unit features a 3.5-inch color touch rechargeable battery that supports over 50 hours of continuous use. Our tester is used for surface roughness measurement for metal and non-metal.

This test equipment is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Our Surface Roughness Tester is used for measuring surface roughness on metal and non-metal components in manufacturing, quality control, and inspection settings. It is especially suitable for on-site testing of large workpieces and mobile measurement tasks.

Specifications

Measuring Range	Z-axis: 640 μm (-320 µm to +320 µm) X-axis: 17.5mm
Resolution (Z-axis)	0.002 μm/± 20μm 0.004 μm/± 40μm 0.008 μm/± 80μm 0.020 μm/± 160μm 0.040 μm/± 160μm
Display	3.5” color touchscreen; supports button and touch operation
Display Parameters	Ra, Rz, Rq, Rt, Rc, Rp, Rv, R3z, R3y, Rz(), Ry, Rs, Rsk, Rku, Rmax, Rsm, Rmr (Tp), RPc, Rk, Rpk, Rvk, Mr1, Mr2
Ra and Rq Display Range	0.005 to 64 µm
Rz,R3z,Ry,Rt,Rp,Rm Display Range	0.2 to 640 µm
Sk Display Range	0 to 100%
S,Sm Display Range	0.2 to 1000 µm
Tp (Rmr) Display Range	0 to 100%
Graphical Output	Rmr curve, roughness curve, primary profile, filter waveform
Filter	RC, PC-RC, Gauss, D-P
Cut-off Length (lr)	0.25 mm, 0.8 mm, 2.5 mm
Assessment Length (ln)	Ln = lr × n, n = 1 to 5
Sensor Measurement Principle	Differential inductance
Sensor Stylus Tip	Diamond, 90° cone, 5μm/2μm radius
Sensor Measuring Force	Less than 4 mN
Sensor Skid Force	Less than 400 mN
Measuring Speed	lr = 0.25, Vt = 0.135 mm/s lr = 0.8, Vt = 0.5 mm/s lr = 2.5, Vt = 1 mm/s Return , Vt = 1 mm/s
Accuracy	0.001 µm
Tolerance	± (5nm + 0.1A), where A = Ra standard value of specimen
Repeatability	Up to 3%
Residual Profile	Up to 0.010μm
Battery	Built-in Li-ion, 3600mAh, More than 50 hours continuous operation
Memory	Stores 100 groups of original data and waveform
Permissible Temperature	-20℃ to 40℃
Permissible Humidity	Less than 90% RH
Filters	RC, PC-RC, Gauss, D-P
Main Unit Dimension	155 × 145 × 58 mm
Drive Unit Dimension	23 × 27 × 115 mm
Weight	1000 g

Features

Power saving functions

Reliable circuit and software

Mechatronics design

Data recording and storage

Portable and mobile structure

FAQs

1. What is the Surface Roughness Tester used for?

Surface Roughness Tester is used to evaluate surface roughness on both metal and non-metal components. It is widely applied in manufacturing, quality control, and inspection settings. Its compact design, combined with an external drive unit, makes it particularly suitable for on-site testing of large or complex parts where mobility and flexibility are essential.

2. How does the optional accessories expand the use of this tester?

Optional accessories include sensors and platforms for specific surface types: the KS160 sensor for planes and cylinders, the Curved Surface Sensor for rounded shapes, the Small Hole Sensor for internal surfaces of holes over 2 mm, and a Marble Platform for complex-shaped items. These add-ons make the tester suitable for diverse applications, including in aerospace, automotive, and precision machining.

3. What roughness parameters can the tester measure?

tester supports over 20 roughness parameters including Ra, Rz, Rq, Rt, Rp, Rsk, Rku, Rmr, RPc, and others. It also supports standard-specific parameters such as Rz () and Ry. This broad parameter set enables detailed surface characterization for functional performance analysis and adherence to various industry standards.

4. What kind of graphical outputs does the tester provide?

This Surface Roughness Tester provides visual outputs such as the roughness curve, Rmr curve, primary profile, and filter waveform. These are displayed on a 3.5-inch color screen, helping users understand surface texture variations and quickly identify surface defects or inconsistencies.

5. How is the tester controlled and what is its data capacity?

The tester features a 3.5" color touchscreen with button support for dual operation. It runs on a built-in 3600mAh battery that offers over 50 hours of continuous use. It can store 100 groups of measurement results and waveforms, making it useful for repeated tests, data comparison, and quality audits.