SRT-6350 pocket size portable digital machine surface roughness measuring instrument

SPECIFICATIONS
Display: 4 digits, 10 mm LCD, with blue backlight
Parameters:  Ra, Rz

Measuring Range
           Ra:  0.050-10.00um/1.000-400.0uinch
           Rz:  0.020-100.0um/0.780-4000uinch
Accuracy: ≤±10%
Fluctuation of display value: Not more than 6%
Sensor :
         Test Principle: Highly sophisticated 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 :   0.001μm    if reading <10μm
                      0.01μm     if 10μm≤reading<100μm
                      0.1μm      if reading ≥100μm        
Evaluation length : 5 cut-off
Power Li-ion battery: rechargeable
Operating conditions: Temp. 0~40°C
                   Humidity <80%

Standard Accessories:
   Carrying case.................1pc
   Main unit.........................1pc
   Standard Sensor.............1pc
   Standard Sample Plate...1pc
   Power Adapter................1pc
   Operation Manual...........1pc
   Screwdriver.....................1pc
   Adjustable Leg................1pc
   Sensor Protector.............1pc

Optional Accessories:

1. Cable and Software for RS-232/USB
2. Extension Rod
3. Groove stylus
4. Curvature Probe
5. Measurement Stand
6. Bluetooth interface