





Surface Roughness Tester TLS462

1.Functions & Features
● New design: Users-friendly system and intuitive menu navigation
● Measurement mode: general measuring and Splittype measuring (take off sensor) can be selected
● Multi-direction measurement such as lateral and upside
● DSP chip controlled achieves high accuracy and fast testing speed
● 3.5-inch LCD touch screen, digital and colour graphic display with blacklight
● Touch screen & button operation are both available
● Rechargeable Li-ion battery allows you to make on-site measurements( > 50 hours continuously)
● Multi-functions: Bluetooth printing, Operation by APP, operate indications, Automatic sleep/shutdown
● and etc.
● Calculation results, assessed profiles, bearing and amplitude curves can be displayed
● Easy to connect with computer and printer
2.Application
● It can measure the roughness of various machined parts, such as plane surface, bevel surface, outer cylindrical surface, curved surface, small hole, groove and car axle etc.
● Application for Surface roughness measurement of metal and non-metal parts and workpiece, including a variety of machining parts, machining manufacturing, testing, commodity inspection departments,it is especially suitable for on-site inspection of large workpiece and production lines and the inspection, measurement, commodity inspection and other departments of the outbound verification,no damage to the workpiece.
3.Technical Parameters
Model | TLS462 | |
Measuring range | 160μm( -80μm ~ +80μm)/ 320 µm( -160μm ~ +160μm)optional | |
Maximum drive stroke length | 20mm (0.78 inch) | |
Resolution | 0.001μm | |
Roughness parameters | Ra,Rz,Rq,Rt, Rp,Rv,R3z,R3y,Rz(JIS),Rs,Rsk,Rsm,Rku,Rmr; Ry; Rmax,Rc,RPc,Rk,Rpk,Rvk,Mr1,Mr2 | |
Standard | ISO,ANSI,DIN,JIS | |
Graphics | Curves, roughness profile, direct profile | |
Filtering methods | RC,PC-RC,Gauss,D-P | |
Sample length (lr) | 0.25,0.8,2.5mm | |
Evaluation length(ln) | Ln= lr×n n=1~5 | |
Standard Sensor | Measuring principle | Displacement differential inductor (Inductive) |
Stylus | Stylus Diamond,90°,5μm radius of stylus | |
Stylus force | <4mN | |
Lead head | Cemented carbide,sliding direction radius 40mm | |
Sliding speed | lr=0.25, Vt=0.135mm/s; lr=0.8, Vt=0. 5mm/s; lr=2. 5, Vt=1mm/s; Return Vt=1mm/s | |
Indication error | ≤ ±7% | |
Indication variability | < 6% | |
Memory | 100 groups ( data and graphic) | |
Power supply | 3300mAh Rechargeable Li-ion battery | |
Dimension (mm) | Main body:64*53*160 Sensor dirver:23*27*115 | |
Weight | About 380g (Main body) | |
Operation environment | Temperature:- 20℃~40℃, Humidity:<90% RH | |
Storage/transportation environment | Temperature:- 40℃~60℃, Humidity:<90% RH | |
4.Pictures


5.Roughness Measuring Range
Parameters | Display range | Parameters | Display range |
Ra,Rq | 0.005μm ~ 30μm | Rz,R3z,Ry,Rt,Rp,Rm | 0.02μm ~ 320μm |
Sk | 0 ~ 100% | S,Sm | 1mm |
6.Standard Configuration
Name | Quantity | Name | Quantity |
Main unit | 1 | Sensor driver | 1 |
Standard sensor | 1 | Cable for driver | 2 |
Calibration block | 1 | Supporting platform | 1 |
Height bracket | 1 | Power charger | 1 |
Manual & Certificate | 1 | Warranty card | 1 |
7.On-site Measurement & Application

WhatsApp scan code
support hotline+86 22 2754 6357
mobile phone+86 133 8800 2188
Add:Room 706, 7th Floor, Lishen Datong Media Building, 338 Huanghe Road, Nankai District, Tianjin,China 津ICP备13000829号-1 XML