Surface Roughness Tester

Specifications

Ordering Information

BGD 930

BGD 931

Standard

ISO4287, DIN4768, JIS B, ANSI 146.1

Measuring range

Ra

0.00516m/1.000629.9inch

0.05010m/1.000400.0inch

Rq

0.00516m/1.000629.9inch

-

Rz

0.020160m/0.7806299inch

0.020100m/0.780629.9inch

Rt

0.020160m/0.7806299inch

-

Accuracy

10%

Resolution

0.001mreading10m

0.01m10mreading100m

0.1mreading 100m

Fluctuation of display value

6%

Profile digital filter

Filtered profile

RC,PC-RC,GAUSS

Non- filtered profile

D-P

Sensor

Radius

5m

10m

Material

Diamond

Diamond

Measuring force

4mN0.4gf

16mN1.6gf

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

15L selectable

Metric/Imperial

Conversion

Auto off

Memory

7 Groups

Pc interface

RS-232C

Built in Li-ion battery

Rechargeable

Operating condition

TEMP

050

Humidity

85%RH

Dimension

1405248mm5.52.21.9inch

Net weight

420g