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| Product Name | LANDTEK SRT-6200S Roughness Gauge | AMITTARI AR-131A Sand blasting shot peening Roughness Gauge |
| Product Price | $770.00 | $444.00 |
| Details | Details | |
| Model comparison | ||
| Principle | Contact | Contact |
| Instrument Type | Handheld | Portable |
| Display Type | Digital | Digital |
| Measurement Function | Surface Roughness | Surface Roughness |
| Measurement parameters | Ra Rz Rq Rt | |
| Test object | Sand blasting shat blasting workpiece | Sand blasting shat blasting workpiece |
| Measuring Range | >50μm | >50μm |
| Accuracy | ±10% | ±5% |
| Sampling Length | Multi-range | |
| Sensor Configuration | Standard | |
| Applicable Workpiece | Flat Surface/Shaft | |
| Parameter comparison | ||
| display | Blue backlight, 4-digit display, 10mm LCD | LCD display |
| Measurement parameter | Ra、Rz、Rq、Rt | |
| Measurement Range | Ra，Rq : 0.05~10.00 um / 1.000~400.0 uinch；Rz，Rt : 0.020~100.0 um / 0.780~4000 uinch | 0~750um |
| Accuracy | Not more than +/- 10% | +/- 5% or +/- 5a |
| Indication variability | Not more than 6% | |
| Sensor Measurement principle | Inductance | |
| Sensor radius | 10 um | |
| Sensor material | diamond | |
| Sensor force measurement | 16 mN(1.6 gf) | |
| Sensor Angle | 90° | |
| Sensor longitudinal radius | 48mm | |
| Sensor Max Drive Travel | 17.5mm / 0.7 inch | |
| Sensor sampling length | 0.25mm，0.8mm，2.5mm | |
| Driving speed measurement | When sampling length = 0.25mm, Vt = 0.135mm/s; when sampling length = 0.8mm, Vt = 0.5mm/s; when sampling length = 2.5mm, Vt = 1mm/s | |
| When driving speed returns | Vt = 1mm/s | |
| resolution | 0.001 um Measured value < 10 um; 0.01 um Measured value 10 um ≤ Measured value ≤ 100 um; 0.1 um Measured value ≥ 100 um | 0.1μm (Measured value < 100μm); 1μm (Measured value > 100μm) |
| Evaluation length Ln | 1~ 5 L optional | |
| Automatic shutdown | support | |
| Operating environment | Temperature: 0~ 50℃ Humidity: < 80% RH | Temperature -5~ 50℃; Humidity < 95% RH |
| power supply | 4 AA batteries | 2X1.5vAAA No. 7 battery |
| Host Dimensions | 149 x 67 x 29mm | |
| Dimensions of measurement base | 185 x 56 x 47mm | |
| weight | 485 g | |
