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| Product Name | KairDa NDT180 Roughness Gauge | Ipre RA150 Asperity Profile Gauge |
| Product Price | $1419.00 | $12033.00 |
| Details | Details | |
| Model comparison | ||
| Measurement principle | Contact type | Contact type |
| type | desktop | desktop |
| show | digital display | Pointer |
| Measurement method | Needle tracing | |
| Measurement parameters | Ra Rz Ry Rq Rt. Rp Rv Rmax R3z RSk RS RSm Rmr Rku | Ra Rz Ry Rq Rt. Rp Rv R3z RSk RS RSm Rmr Rku |
| Measurement function | Surface Roughness Roughness profile | Surface Roughness Roughness profile Roughness shape |
| Test object | General workpiece | |
| Probe Type | Integrated | |
| Calibrated certificate | ||
| Parameter comparison | ||
| Measurement Range Z axis (vertical) | 640μm(-320μm~320μm) | |
| Measurement Range X axis (horizontal) | 17.5mm(0.69 inch) | |
| Resolution Z axis (vertical) | 0.002μm/±20μm；0.004μm/±40μm；0.008μm/±80μm；0.020μm/±160μm | |
| Measurement parameter | Ra Rz Rq Rt Rc Rp Rv R3z R3y Rz(JIS)Ry Rs Rsk Rku Rmax Rsm Rmr RPc Rk Rpk Rvk Mr1 Mr2 | |
| Measurement standard | ISO4287 international standard; ANSI B46.1 American standard; DIN4768 German standard; JIS B601 Japanese standard | |
| Measurement graphics | Linear dispersion, asperity original profile, filtered waveform | |
| filter | RC,PC-R C,Gauss,D-P | |
| Sampling length (Ir) | 0.25,0.8,2.5mm | |
| Rating Length (In) | Ln=Ir*n n=1~5 | |
| Sensor Measurement principle | Displacement Differential Inductor | |
| Sensor stylus | Natural diamond, 90 ° cone angle, tip radius 5μm | |
| Sensor force stylus force | 4mN | |
| Sensor Force Measurement Guide Force Measurement | <400mN | |
| Sensor guide | Carbide, slide direction radius 40mm | |
| Sensor coasting speed Ir = 0.25 | Vt=0.135mm/s | |
| Sensor coasting speed Ir = 0.8 | Vt=0.5mm/s | |
| Sensor coasting speed Ir = 2.5 | Vt=1mm/s | |
| Sensor coasting speed return | Vt=1mm/s | |
| Indication accuracy | 0.001μm | |
| Indication Error | +/- (5nm + 0.1A) A: Standard value of multi-reticle template parameter Ra | |
| Indication Repeatability (Variability) | Not more than 3% | |
| residual contour | Not more than 0.010μm | |
| Power supply and charging Voltage | 2600mAh lithium-ion battery | |
| Host Dimensions | 155*145*58mm | |
| Driver Dimensions | 23*27*115mm | |
| Adjustable height of bracket | 40mm | |
| weight | About 1000g | |
| Operating environment temperature | -20℃~40℃ | |
| Operating environment humidity | <90%RH | |
| Storage and transportation environment temperature | -40℃~60℃ | |
| Storage and transportation environment humidity | <90%RH | |
