Basic Info.

Product Description

Specifications display: 4 digits, 10 mm lcd, with blue backlight parameters: ra, rz, rq, rt measuring range ra： 0.005-10.00um/1.000-400.0uinch rq: 0.005-16.00um/0.020-629.9uinch rz: 0.020-100.0um/0.780-4000uinch rt： 0.020-160.0um/0.780-6299uinch accuracy: ≤±10% fluctuation of display value: not more than 6% sensor : test principle: inductance type radius of probe pin: 10um material of probe pin: diamond dynamo-measurement of probe: 4mn(0.4gf) probe angle: 90° vertical radius of guiding head: 48mm maximum driving stroke: 17.5mm/0.7inch cutoff length (l): 0.25mm / 0.8mm / 2.5mm optional evaluation length: 5l driving speed: sampling length = 0.25mm vt=0.135mm/s sampling length = 0.8mm vt=0.5mm/s sampling length = 2.5mm vt=1mm/s returning vt=1mm/s profile digital filter filtered profile: rc filtered profile: pc-rc filtered profile: gauss non-filtered profile: d-p resolution : 0.001μm if reading <10μm 0.01μm if 10μm≤reading<100μm 0.1μm if reading ≥100μm evaluation length : 5 cut-off power supply: 4x1.5v aaa size battery operating conditions: temp. 0~50°c humidity <85%