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| Product Name | LANDTEK SRT-6210S Roughness Gauge | AMITTARI AR-132B Surface roughness Meter |
| Product Price | $993.00 | $1092.00 |
| Details | Details | |
| Model comparison | ||
| Principle | Contact | Contact |
| Instrument Type | Handheld | Handheld |
| Display Type | Digital | Digital |
| Measurement Function | Surface Roughness | Surface Roughness |
| Measurement parameters | Ra Rz Rq Rt | Ra Rz Rq Rt |
| Test object | General workpiece | General workpiece |
| Measuring Range | >50μm | >50μm |
| Accuracy | ±10% | ±10% |
| Sampling Length | Multi-range | Multi-range |
| Sensor Configuration | Standard | Standard |
| Applicable Workpiece | Flat Surface/Shaft | Flat Surface/Shaft Groove/Slot Curved Surface Deep Hole |
| Parameter comparison | ||
| display | Blue backlight, 4-digit display, 10mm LCD | |
| Measurement parameter | Ra、Rz、Rq、Rt | |
| Measurement Range | Ra，Rq : 0.05~16.00 um / 0.020~629.9 uinch；Rz，Rt : 0.020~160.0 um / 0.078~6299 uinch | Ra，Rq：0.005~16.00 um / 0.020~629.9 uinch；Rz，Rt：0.020~160.0 um / 0.078~6299 uinch |
| Accuracy | Not more than +/- 10% | Not more than +/- 10% |
| Indication variability | Not more than 6% | Not more than 6% |
| Sensor Measurement principle | Inductance | |
| Sensor radius | 5 um | 5μm |
| Sensor material | diamond | diamond |
| Sensor force measurement | 4 mN(0.4 gf) | 4mN（0.4gf） |
| Sensor Angle | 90° | 90° |
| Sensor longitudinal radius | 48mm | 48mm |
| Sensor Max Drive Travel | 17.5mm / 0.7 inch | 17.5mm/0.7inch |
| Sensor sampling length | 0.25mm，0.8mm，2.5mm | 0.25Mm, 0.8mm, 2.5mm (optional) |
| 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 | 0.001 μm (Measured value < 10 μm); 0.01 μm (10 μm ≤ Measured value < 100 μm); 0.1 μm (Measured value ≥ 100 μm) |
| Evaluation length Ln | 1~ 5 L optional | |
| Automatic shutdown | support | |
| Operating environment | Temperature: 0~ 50℃ Humidity: < 80% RH | |
| power supply | 4 AA batteries | Built-in lithium battery |
| Host Dimensions | 149 x 67 x 29mm | |
| Dimensions of measurement base | 185 x 56 x 47mm | |
| weight | 485 g | 420g |
