Instruments
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

0.00516μm/1.000629.9μinch

0.05010μm/1.000400.0μinch

Rq

0.00516μm/1.000629.9μinch

----

Rz

0.020160μm/0.7806299μinch

0.020100μm/0.7804000μinch

Rt

0.020160μm/0.7806299μinch

----

Accuracy

≤±10%

Resolution

0.001μmreading10μm

0.01μm10μm≤reading100μm

0.1μmreading ≥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

4mN0.4gf

16mN1.6gf

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

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

140×52×48mm5.5×2.2×1.9inch

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


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