BONDETEC Digital Surface roughness measurement BR-3932B

SPECIFICATIONS

Display: 4 digits, 10 mm LCD, with blue backlight

Parameters:  Ra, Rz, Rq, Rt

Measuring Range 

     Ra, Rq:  0.005-16.00um/0.020-629.9uinch

           Rz,Rt:   0.020-160.0um/0.780-6299uinch

Accuracy: ≤±10%

Fluctuation of display value: Not more than 6%

Sensor : 

         Test Principle: Inductance type

         Radius of Probe Pin: 5um

         Material of Probe Pin: Diamond

         Dynamo-measurement of Probe: 4mN(0.4gf)

         Probe Angle: 90°

         Vertical Radius of Guiding Head: 48mm

Maximum driving stroke:  17.5mm/0.7inch

Cutoff length (l): 0.25mm / 0.8mm / 2.5mm  optional

Evaluation length:  5l

Driving speed: 

         sampling length = 0.25mm   Vt=0.135mm/s

         sampling length = 0.8mm    Vt=0.5mm/s

         sampling length = 2.5mm    Vt=1mm/s

         returning                                Vt=1mm/s

Profile digital filter

         Filtered Profile:            RC

         Filtered Profile:            PC-RC

         Filtered Profile:            Gauss

         Non-Filtered Profile:        D-P

Resolution : .001μm    if reading <10μm

                      0.01μm    if 10μm≤reading<100μm

                      0.1μm    if reading ≥100μm         

Evaluation length : 5 cut-off

Power supply: 4x1.5V AAA size battery

Operating conditions:  Temp. 0~40°C

                       Humidity <80% 
Standard Accessories:

   Carrying case.................1pcs

   Main unit.....................1pcs

   Standard Sensor...............1pcs

   Standard Sample Plate.........1pcs

   Power Adapter.................1pcs

   Operation Manual..............1pcs

   Screwdriver...................1pcs

   Adjustable Leg................1pcs

   Sensor Protector..............1pcs