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| 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 LCD touchscreen; supports button and touch operation |
| Display Parameters | Ra, Rz, Rq, Rt, Rc, Rp, Rv, R3z, R3y, Rz(JIS), 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 |
Power saving functions
Reliable circuit and software
Mechatronics design
Data recording and storage
Portable and mobile structure
Our Surface Roughness Tester LSRT-A10 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.
Name | Quantity |
Groove Sensor | 1 piece |
40 mm Height Adapter | 1 piece |
Calibration Specimen | 1 piece |
Specimen Holder | 1 piece |
Extension Cable | 1 piece |
Touch Pen | 1 piece |
Power Charger | 1 piece |
USB Cable | 1 piece |
Instrument Case | 1 piece |
| Name | Function |
Standard Sensor KS160 | Measures the roughness of the plane and the cylindrical surface |
Curved Surface Sensor | Measures smooth cylindrical surface |
Small Hole Sensor | Measures the inner surfaces of holes with radius more than 2mm |
Marble Working Platform | Measures roughness of complex shapes. |
Download catalog for
Surface Roughness Tester LSRT-A10 Catalog
Available Range :
Surface Roughness Tester LSRT-A11 : Ra: 0.005 to 16μm / 1.000 to 629.9μ inch
Labtron offers a wide range of reliable and precise Roughness Testers catering to needs of various industries. These testers utilize advanced stylus or non-contact technologies to measure critical surface parameters. They offer results rapidly and accurately ensuring strict quality standards. Their design makes them suitable for various settings as some of them are portable and some also feature external measuring units. Our testers are used in industries such as automotive, aerospace, manufacturing, and medical devices in achieving optimal surface quality and performance.
Labtron’s 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.
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.
Our 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 (JIS) and Ry. This broad parameter set enables detailed surface characterization for functional performance analysis and adherence to various industry standards.
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 LCD screen, helping users understand surface texture variations and quickly identify surface defects or inconsistencies.
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.
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Labtron Equipment Ltd., Quatro House, Lyon Way, Camberley, Surrey GU16 7ER United Kingdom
Email: info@labtron.com Whatsapp: +44 73 4441 2688 Phone: +44 2080 043608