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    Product Name KairDa NDT160 Roughness Gauge Leeb leeb400 Roughness Gauge
    Product Price $1243.00 $638.00
    Details Details
    Model comparison
    Principle Contact Contact
    Instrument Type Handheld Pocket
    Display Type Digital Digital
    Measurement Function Surface Roughness Surface Roughness
    Measurement parameters Ra Rz Rq Rt Rp Rv RSm Rmr(c) Others Ra Rz Rq Rt
    Test object General workpiece General workpiece
    Measuring Range >50μm 5-50μm
    Accuracy ±10% ±15%
    Sampling Length Multi-range 2.5mm
    Sensor Configuration Standard Small Bore Groove Curved Surface Lateral/Extension Standard
    Applicable Workpiece Flat Surface/Shaft Groove/Slot Curved Surface Deep Hole Flat Surface/Shaft Groove/Slot
    Parameter comparison
    Display mode digital display
    Measurement parameter Ra,Rz,Rq,Rt,Rp,Rv,R3z,R3y,Rz(JIS),Rs,Rsk,Rsm,Rku,Rmr,Ry(JIS),Rmax,RPc,Rk,Rpk,Rvk,Mr1,Mr2 Ra、Rz、Rq、Rt
    Measurement Range Z-axis (vertical ）： +/- 80μm/+/- 160μm (enhanced); X-axis (horizontal): 20mm Ra: 0.05-10.0μm, Rz: 0.1-50μm
    resolution Z-axis (vertical): 0.01 μm/+/- 20 μm, 0.02 μm/+/- 40 μm, 0.04 μm/+/- 80 μm, 0.08 μm/+/- 160 μm
    Indication Error Not more than +/- 10% ≤±15%
    Indication variability Not more than 6% ＜12%
    Indication accuracy 0.001μm
    Sampling length 0.25,0.8,2.5mm 0.25mm、0.8mm、2.5mm
    evaluation length Ln=lr*n n=1~5 1.25mm、4mm、5mm
    Sensor radius 5μm
    Sensor stylus material Natural diamond, 90 cone angle, 5 μm tip radius
    Sensor force measurement <4mN
    Sensor Angle 90 cone angle
    Sensor Measurement principle Displacement Differential Inductance
    Sensor guide Carbide, slide direction radius 40mm
    Driving speed measurement lr=0.25,Vt=0.135mm/s；lr=0.8,Vt=0.5mm/s；lr=2.5,Vt=1mm/s
    When driving speed returns Vt=1mm/s
    filter RC,PC-RC,Gauss,D-P
    Measurement profile Linear dispersion, asperity profile, direct profile
    power supply Built-in lithium-ion rechargeable battery, charged with DC5V, 800mA charger 3.7V lithium-ion battery
    Dimension Host: 64 * 53 * 160mm Driver: 23 * 27 * 115mm 106*70*24mm
    Product weight About 380g
    Operating Conditions Temperature: -20℃~ 40℃; Humidity: < 90% RH
    Storage and transportation environment Temperature: -40℃~ 60℃; Humidity: < 90% RH
    Applicable standard ISO,ANSI,DIN,JIS