Surface Roughness Tester

Surface Roughness Tester

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)
0.01μm(10μm≤reading<100μm)
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
of guiding head
48mm 48mm
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
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