SRT-680G Roughness and Contour Tester
Measurement Principle
● Cartesian coordinates, stylus contacts.
● High precision air floating guide rail –As the measuring datum of X coordinate to guarantee the linear moving accuracy in X direction.
● High precision digital sensor – to get signal of Z coordinate for measuring the profile of various precise mechanical piece part.
● Computer and windows-based measuring program to process the measuring data, easy for printing and filing
Main Function
Dimension:Contains the horizontal distance, vertical distance, linear distance, radius and diameter
Angle: Horizontal Angle, vertical angle, cross angle
Position tolerance: contains the parallelism and perpendicularity
Form tolerance: contains the straightness, crown, circular arc profile
Auxiliary generation: contains the auxiliary point, auxiliary line, auxiliary circle
Roughness:Ra,Rq,Rz(Ry),Rz(DIN),R3z,Rz(jis),Rp,Rv,Rt,Rsk,Rsm,Rc ,Rpm,RkuRdq,Roc,Mr1,Mr2,Rpk,Rvk,Rk,Rdc,A1,A2,R,Rx,AR,Rcp,Rmax,Rz-ISO etc.
Waviness:wt,wa,wp,wv,wq,wc,wku,wsk,w,wx,wz,wsm,wdc,wte,wmr,Aw,c(wmr)wmr(c),wdq etc.
Original contour Pt Pa Pp Pv Pq Pc Pku Psk Pdq/p△q Psm Pdc Pmr(c) Pz Pmr C(pmr) etc.
Main Parameters
| Item | Parameter | Resolution |
Measurement range Measurement Accuracy | X axis | 200mm | 0.1μm |
| Straightness | 0.6μm /100mm | -------- |
| Z1(range)Sensor | 40mm(Roughness range synchronization) | 0.05μm |
| Z Height | 550mm | colume |
| Min. inner hole | 30mm (A smaller inner diameter can be measured by using a smaller measuring needle) | ---------- |
| Linear accuracy | ≤±(1+I0.12HI)μm | - ------ |
| Arc | ≤(1.2+R/8) | 2mm＜R＜10mm standard ball, The included Angle of the sampling arc:120° |
Angle | ≤±1′ | 60°,90° angle block, The sampling length of the corner:5mm |
| Roughness | Residual value noise | ≤0.005μm | λc:0.08mm,testing speed 0.1mm/s, measure flat crystals |
| Z1(range)Sensor | Effective range±3mm | The roughness of the curved surface can be measured |
| Roughness measurement repeatability | 1δ≤2nm | Ra 0.35-0.5μm Square wave calibration block |
| Indication error | ±5% | National standard |
| Indicative stability | ≤±7% | National standard |
| Repeatability measurement | ±3% | National standard |
| Resolution | 0.1μm | ---------- |
| Sensor | Type | Digital grating sensor | ----------- |
| Resolution | 0.05μm | ------- |
| Assessment length | λc×3,4,5,6,7 | --------- |
| Cut-off wavelength | 0.025,0.08,0.25,0.8,2.5,8mm | ---------- |
| Climbing Ability | 77°(Upside),88°(Downside) | ------- |
| Meas. Speed | 0.02mm to 4.0mm/s | ---------- |
| Meas. Mode | Sensor moving | -------- |
| XZ1Z | Three-axis electric control | It can be controlled by the software controller |
| Power | AC 220V±10% 50Hz | ------- |
| Environmental conditions | (RH):＜85% 20℃± 2℃,2℃/h ,RMS≤50Hz 2.5μm/s ,RMS＞50Hz 5.0μm/s |
Main configuration
Software interface
Equipment size
| (Product) | (Packing) | (Wt.kg) | (CBM m³) |
| Lx | Ly | Lz | Wt(kg) | Lx | Ly | Lz | Wt(kg) |
| 1400 | 725 | 1740 | 270 | 960 | 960 | 1950 | 50 | 300 | 0.88 |
Usage requirement
Power: AC 220V±10% 50Hz
Environment requirement:(T):10～30℃,(RH):＜85%,No obvious vibration,Independent grounding
Testing reference photos
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