Bondetec surface roughenss measring instrument br-3932b

Key Attributes.

SPECIFICATIONS Display: 4 digits, 10 mm LCD, with blue backlight Parameters: Ra, Rz, Rq, Rt Measuring Range Ra, Rq: 0.005-16.00um/0.020-629.9uinch Rz,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: 5um 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 : .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. 0~40°C Humidity <80%