Designed for modern manufacturing and quality control applications, the surface roughness tester provides fast, reliable, and repeatable measurement results with a user-friendly digital interface. This digital surface roughness tester is widely used for automotive, aerospace, mold making, machining, and precision engineering industries.
No Guide Head Required
- Direct measurement without guide head
- Suitable for complex surfaces and various workpiece shapes
- Faster setup and easier operation
- Improved measurement flexibility for industrial inspection
Adjustable Probe Lifting Mechanism
- Features an adjustable probe lifting system for convenient positioning and accurate surface contact
- Allows precise control of probe movement to adapt to different workpiece heights and measurement conditions
- Improves measurement stability by ensuring proper contact between the stylus tip and the tested surface
- Helps protect the probe from accidental damage during setup and transportation
Applications
The digital surface roughness gauge can be widely used in:
- Construction Site
- Transportation Terminal
- Oil Extraction
- Production Workshop
Transportation Terminal
Oil Extraction
Production Workshop
Construction Site
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| Model | SISCO-SRT-SSR300 |
| Measurement Range | X-axis: 30 mm; Z-axis: ±500 μm |
| Sensor Resolution | 0.0016 μm / ±50 μm ~ 0.016 μm / ±500 μm |
| Drive Straightness | 1 μm / 30 mm |
| Applicable Standards | JIS-82, JIS-87, JIS-94, JIS-01, JIS-13, ISO-84, ISO-97, DIN-90, ASME-95, GB-14 |
| Roughness Evaluation Parameters | Ra75, Rq, Rp, Rv, Rc, Rt, Rz, R3z, RSm, Rsk, Rku, Ry, Sm, RΔa, RΔq, Rz1max, Rp, Rλ, Rλq, lr, RSm, Rz94, RPc, RS, Rz1, Rpm, HSC |
| Waviness Evaluation Parameters | WCA, WCC, WCP, WCM, WCC-W, WCM-W, WCA-W, WCC-c, WCP-c, WCM-c, WCA-c, WCM-V, WCM-S, WC-t, Wa, Wq, Wsk, Wku, Wp, Wv, Wz, Wc, Wt, WSm, WΔq, WPC |
| Primary Profile Parameters | Rsk, Rku, Rmax, Sm, Δa, Δq, Rz, λa, lr, TILT, AVH, Hmax, Hmin, AREA, RzJ, Pa, Pq, Psk, Pku, Pλ, Pcl, Pt, Pm, PΔq, PSm, Pp, Pc |
| Bearing Area Curve Parameters | Rk, Rpk, Rvk, Mr1, Mr2, Vo, K, A1, A2 |
| Graphical Analysis Functions | NCRX, AR, R, RX, NR, CPM, SR, SAR, AW, W, Wx, Wte, NW, SW, SAW, Rke, Rpke, Rvke, Mr1, Mr2, Vo, K |
| Evaluation Curves | Roughness profile, waviness profile, primary profile, bearing area curve, graphical analysis |
| Characteristic Curves | Bearing area curve (Rmr(c)), Rmr2(c), Rδc(c), tp(c), tp2(c), Htp(c), amplitude analysis curve, amplitude distribution curve |
| Form Removal Functions | Full area, front section, rear section, center, 2-point, curve |
| Filter Types | Gaussian, FFT, PC, DP, 2RC |
| Cutoff Wavelengths | λs: 0, 2.5, 8, 25 μm; λc: 0.08, 0.25, 0.8, 2.5, 8 mm; λf: 0.8, 2.5, 8, 25 mm |
| Evaluation Length | Sampling length × number of sampling lengths (standard mode and custom mode available) |
| Measurement & Return Speed | 0.05 mm/s, 0.10 mm/s, 0.50 mm/s, 1.00 mm/s, 2.00 mm/s |
| Stylus Tip Material | 90° diamond stylus, 5 μm radius |
| Measuring Force | 7.5 mN (adjustable) |
| Data Output | TF card, USB drive, WiFi printing |
| Power Supply | AC 220V ±10%; Built-in rechargeable battery (AC adapter charging), charging time approximately 3 hours |
| Size | 350*116*146mm |
| Weight | 3kg |
Q1: What is a 3.2 RA finish?
A1: 3.2 RA finish refers to a surface roughness measurement where the roughness average (RA) is 3.2 micrometers (µm) or 125 microinches. RA is a common parameter used to quantify the smoothness or texture of a surface, indicating the average deviation of the surface profile from the mean line over a specified length.
3.2 RA finish is often considered a moderately smooth finish and is typically used in various industries where a certain level of surface smoothness is required for functional or aesthetic reasons. This level of roughness can be achieved through different machining processes such as grinding, polishing, or other finishing techniques.
Q2: What is the difference between surface finish and surface roughness?
A2: Surface finish and surface roughness are related but distinct concepts. Surface roughness specifically refers to the fine irregularities on the material's surface, which are a result of the manufacturing process. These irregularities are usually quantified in micrometers (µm) or microinches (µin) using parameters such as Ra (roughness average) and Rz (average maximum height). Surface finish, on the other hand, is a broader term that includes surface roughness, waviness, texture, and flaws. Waviness refers to larger-scale surface deviations, texture indicates the directionality of surface patterns, and flaws include defects such as cracks and scratches. In summary, surface roughness is a part of surface finish, and surface finish provides a comprehensive assessment of surface quality.
Q3: What is SA and SQ in surface roughness?
A3:Â In surface roughness measurement, Sa and Sq are parameters used to quantify three-dimensional surface texture. Sa (Arithmetic Mean Height) represents the arithmetic mean of the absolute values of surface height deviations measured from the mean plane, analogous to the 2D parameter Ra .Sq (Root Mean Square Height), on the other hand, is the root mean square (RMS) value of surface height deviations from the mean plane, akin to the 2D parameters Rq or Rms.
Sa provides a measure of the average height variation on the surface, while Sq emphasizes larger deviations due to squaring and averaging the deviations. These parameters are crucial for comprehensively assessing surface texture and roughness in three dimensions, widely applied in fields such as materials science, manufacturing, and quality control.
Tips: What parameters can a surface roughness tester measure?
A digital surface roughness tester can measure various surface finish parameters, including:
- Ra – Arithmetic average roughness
- Rz – Maximum height of profile
- Rq – Root mean square roughness
- Rt – Total height of profile
- Rp / Rv – Maximum peak and valley height
- RSm – Mean spacing of profile elements
It can also evaluate waviness and primary profile parameters for advanced surface analysis.
Thank you for buying industrial test and measurement equipment on SISCO.com, all products sold by SISCO and the partner cover a 12 months warranty, effective from the date of receiving the products.
What is covered?
SISCO is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.
What is not covered?
- Product purchased from anyone other than a SISCO store or a SISCO authorized reseller.
- Expendable parts.
- Routine cleaning or normal cosmetic and mechanical wear.
- Damage from misuse, abuse or neglect.
- Damage from use of parts other than SISCO approved.
- Damage from use outside the product’s usage or storage parameters.
- Damage from use of parts not sold by SISCO.
- Damage from modification or incorporation into other products.
- Damage from repair or replacement of warranted parts by a service provider other than a SISCO authorized service provider.
- Damage caused by the application environment not meeting the product usage requirements and the failure to perform preventive maintenance.
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