Display | 4 digits, 10 mm LCD, with blue backlight | |
Parameters | Ra、Rz | |
Measuring Range
|
Ra: 0.05~10.00 um / 1.000~400.0 uinch
Rz: 0.020~100.0 um / 0.780~4000 uinch
|
|
Accuracy | ≤ ± 10% | |
Fluctuation of display value | Not more than 6% | |
Sensor | Test Principle | Inductance type |
Radius of Probe Pin | 10 um | |
Material of Probe Pin | Diamond | |
Measurement Force of Probe | 16 mN(1.6 gf) | |
Probe Angle | 90° | |
Vertical Radius of Guiding Head | 48 mm | |
Maximum driving stroke | 17.5 mm / 0.7 inch | |
Cutoff length (l) | 0.25 mm / 0.8 mm / 2.5 mm optional | |
Driving speed | Sampling | When Length = 0.25 mm, Vt = 0.135 mm/s |
When Length = 0.8 mm, Vt = 0.5 mm/s | ||
When Length = 2.5 mm, Vt = 1 mm/s | ||
Returning | Vt = 1 mm/s | |
Resolution | 0.001 um, if reading < 10um | |
0.01 um, if 10um ≤ reading ≤ 100um | ||
0.1 um, if reading ≥ 100um | ||
Evaluation length | 1~5 L optional | |
Auto Power Off | ||
Operating conditions | Temperature: 0~50 ℃ Humidity: < 80 %RH | |
Power Supply | Built-in rechargeable Li-ion battery | |
Dimensions | 140 × 52 × 48 mm | |
Weight | 420 g |