Surface Roughness Tester is widely used in production site to measure surface roughness of various machinery-processed parts, calculate corresponding and clearly display all measurement parameters。
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Specifications
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Ordering Information
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BGD 930
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BGD 931
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Standard
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ISO4287,DIN4768,JIS B,ANSI 146.1
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Measuring range
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Ra
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0.005~16μm/1.000~629.9μinch
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0.050~10μm/1.000~400.0μinch
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Rq
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0.005~16μm/1.000~629.9μinch
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----
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Rz
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0.020~160μm/0.780~6299μinch
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0.020~100μm/0.780~4000μinch
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Rt
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0.020~160μm/0.780~6299μinch
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----
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Accuracy
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≤±10%
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Resolution
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0.001μm(reading＜10μm)
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0.01μm(10μm≤reading＜100μm)
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0.1μm(reading ≥100μm)
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Fluctuation of display value
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≤6%
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Profile digital filter
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Filtered profile
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RC,PC-RC,GAUSS
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-----
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Non- filtered profile
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D-P
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-----
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Sensor
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Radius
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5μm
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10μm
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Material
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Diamond
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Diamond
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Measuring force
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4mN(0.4gf)
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16mN(1.6gf)
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Probe angle
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90°
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90°
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Vertical radius
of guiding head
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48mm
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48mm
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Maximum driving stroke
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17.5mm/0.75inch
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Cutoff length
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0.25mm,0.8mm,2.5mm
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Driving speed
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Measuring
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Sampling length = 0.25mm When Vt=0.135mm/s
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Sampling length = 0.8mm When Vt=0.5mm/s
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Sampling length = 2.5mm When Vt=1mm/s
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Returning
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Vt=1mm/s
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Evaluation length
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1~5L selectable
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Metric/Imperial
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Conversion
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Auto off
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√
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Memory
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7 Groups
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-----
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Pc interface
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RS-232C
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-----
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Built in Li-ion battery
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Rechargeable
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Operating condition
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TEMP
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0~50℃
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Humidity
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﹤85%RH
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Dimension
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140x52x48mm(5.5x2.2x1.9inch)
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Net weight
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420g
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