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| Product Name | LANDTEK SRT-6210 Roughness Gauge | Leeb leeb452 Roughness Gauge |
| Product Price | $993.00 | $654.00 |
| Details | Details | |
| Model comparison | ||
| Principle | Contact | Contact |
| Instrument Type | Portable | Handheld |
| Display Type | Digital | Digital |
| Measurement Function | Surface Roughness | Surface Roughness |
| Measurement parameters | Ra Rz Rq Rt | Ra Rz |
| Test object | General workpiece | General workpiece |
| Measuring Range | >50μm | 5-50μm |
| Accuracy | ±10% | ±15% |
| Sampling Length | Multi-range | Multi-range |
| Sensor Configuration | Standard | Standard |
| Applicable Workpiece | Flat Surface/Shaft | Flat Surface/Shaft Groove/Slot |
| Parameter comparison | ||
| display | Blue backlight, 4-digit display, 10mm LCD | |
| Measurement parameter | Ra、Rz、Rq、Rt | Ra、Rz |
| Measurement Range | Ra、Rq：0.05~16.00um / 0.020~629.9uinch；Rz、Rt：0.020~160.0um / 0.078~6299uinch | Ra:0.05~10.0μm；Rz:0.1~50μm |
| Accuracy | Not more than +/- 10% | |
| Indication variability | Not more than 6% | ＜12％ |
| Sensor Measurement principle | Inductance | |
| Sensor radius | 5um | |
| Sensor material | diamond | piezoelectric crystal |
| Sensor force measurement | 4mN(0.4gf) | |
| Sensor Angle | 90° | |
| Sensor longitudinal radius | 48mm | |
| Sensor Max Drive Travel | 17.5mm / 0.7inch | |
| Sensor sampling length | 0.25Mm, 0.8mm, 2.5mm (optional) | |
| Driving speed measurement | Sampling length = 0.25mm: 0.135mm/s; sampling length = 0.8mm: 0.5mm/s; sampling length = 2.5mm: 1mm/s | |
| When driving speed returns | 1mm/s | |
| Filter profile filter profile | RC，PC-RC，GAUSS | |
| Filter profile does not filter profile | D-P | |
| resolution | Measured value < 10um: 0.001um; 10um ≤ Measured value ≤ 100um: 0.01um; Measured value ≥ 100um: 0.1um | |
| Evaluation length Ln | 1~ 5L optional | |
| Operating environment | Temperature: 0~ 50℃; Humidity: < 80% RH | |
| power supply | Built-in lithium-ion rechargeable battery | 3.7V lithium-ion battery |
| Dimension | 140*52*48mm | 106*70*24mm |
| weight | 420g | |
