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 |
Ordering Information |
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BGD 930 |
BGD 931 |
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Standard |
ISO4287,DIN4768,JIS B,ANSI 146.1 |
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Measuring range |
Ra |
0.005～16μm/1.000～629.9μinch |
0.050～10μm/1.000～400.0μinch |
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Rq |
0.005～16μm/1.000～629.9μinch |
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Rz |
0.020～160μm/0.780～6299μinch |
0.020～100μm/0.780～4000μinch |
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Rt |
0.020～160μm/0.780～6299μinch |
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Accuracy |
≤±10% |
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Resolution |
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 |
≤6% |
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Profile digital filter |
Filtered profile |
RC,PC-RC,GAUSS |
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Non- filtered profile |
D-P |
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Sensor |
Radius |
5μm |
10μm |
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Material |
Diamond |
Diamond |
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Measuring force |
4mN（0.4gf） |
16mN（1.6gf） |
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Probe angle |
90° |
90° |
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Vertical radius |
48mm |
48mm |
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Maximum driving stroke |
17.5mm/0.75inch |
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Cutoff length |
0.25mm,0.8mm,2.5mm |
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Driving speed |
Measuring |
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 |
Vt=1mm/s |
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Evaluation length |
1～5L selectable |
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Metric/Imperial |
Conversion |
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Auto off |
√ |
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Memory |
7 Groups |
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Pc interface |
RS-232C |
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Built in Li-ion battery |
Rechargeable |
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Operating condition |
TEMP |
0～50℃ |
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Humidity |
㩳85%RH |
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Dimension |
140×52×48mm（5.5×2.2×1.9inch） |
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Net Weight |
420g |
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BGD 1290---RS-232 or USB cable
BGD 1291---Software
BGD 1292---Sensor for deep groove
BGD 1293---Sensor for curve surface
BGD 1294---Measuring stand
