Surface Roughness Tester

Synonym :


Caltech India offers 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.

Specifications Ordering Information
BGD 930 BGD 931
Standard ISO4287, DIN4768, JIS B, ANSI 146.1
Measuring range Ra 0.005~16μm/1.000~629.9μinch 0.050~10μm/1.000~400.0μinch
Rq 0.005~16μm/1.000~629.9μinch —-
Rz 0.020~160μm/0.780~6299μinch 0.020~100μm/0.780~629.9μinch
Rt 0.020~160μm/0.780~6299μinch —-
Accuracy ≤±10%
Resolution 0.001μm(reading<10μm)
0.1μm(reading ≥100μm)
Fluctuation of display value ≤6%
Profile digital filter Filtered profile RC,PC-RC,GAUSS —–
Non- filtered profile D-P —–
Sensor Radius 5μm 10μm
Material Diamond Diamond
Measuring force 4mN(0.4gf) 16mN(1.6gf)
Probe angle 90° 90°
Vertical radius 48mm 48mm
of guiding head
Maximum driving stroke 17.5mm/0.75inch
Cutoff length 0.25mm,0.8mm,2.5mm
Driving speed Measuring Sampling length = 0.25mm When Vt=0.135mm/s
Sampling length = 0.8mm When Vt=0.5mm/s
Sampling length = 2.5mm When Vt=1mm/s
Returning Vt=1mm/s
Evaluation length 1~5L selectable
Metric/Imperial Conversion
Auto off
Memory 7 Groups —–
Pc interface RS-232C —–
Built in Li-ion battery Rechargeable
Operating condition TEMP 0~50℃
Humidity ﹤85%RH
Dimension 140×52×48mm(5.5×2.2×1.9inch)
Net weight 420g

Optional Accesories:

Surface Roughness Tester

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

In India, we have various customers from Mumbai, Delhi, Bangalore, Chennai, Hyderabad, Ahmedabad, Kolkata, Surat, Pune, Jaipur, Lucknow, Kanpur, Nagpur, Visakhapatnam, Indore, Bhopal, Patna, Vadodara, Ghaziabad, Ludhiana, Coimbatore, Madurai, Nashik, Srinagar, Aurangabad, Dhanbad, Allahabad and Ranchi in India.

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