KairDa NDT120 and KairDa NDT160 compare

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Model selection comparator If you have any questions, please click below Service	KairDa NDT120 Roughness Gauge Login China Detail	KairDa NDT160 Roughness Gauge Login China Detail

Model comparison

Principle	Contact type	Contact type
Type	Portable	Portable
Display	digital display	digital display
Method	Needle tracing	Needle tracing
Parameters	Ra Rz Ry Rq Rt. Rp Rv Rmax R3z RSk RS RSm Rmr	Ra Rz Ry Rq Rt. Rp Rv Rmax R3z RSk RS RSm Rmr Rku
Function	Surface Roughness	Roughness profile
Sample	General workpiece	General workpiece
Probe	Integrated	Integrated
Certificate	No certificate	No certificate

Parameter comparison

Display	digital display	digital display
Measurement parameters	Ra、Rz=Ry(JIS)、Rq、Rt=Rmax、Rp、Rv、R3z、R3y、RzJIS、Rs、Rsk、Rku、Rsm、Rmr	Ra,Rz,Rq,Rt，Rp,Rv,R3z,R3y,Rz(JIS),Rs,Rsk,Rsm,Rku,Rmr; Ry(JIS);Rmax，RPc，Rk，Rpk，Rvk，Mr1，Mr2
Measuring range	Ra: 0.005µm ~ 16.00µm	Z-axis (vertical): ± 80μm/± 160µm (enhanced); X-axis (horizontal): 20mm
resolution	0.001µm	Z（）: 0.01μ m / ± 20μ m 、 0.02μ m / ± 40μ m 、 0.04μ m / ± 80μ m 、 0.08μ m / ± 160μ m
Error of indication	≤±7%	≤±10％
Indication of variability	<6%	≤6％
Sampling length	0.25mm \| 0.8mm \| 2.5mm (automatic)	0.25,0.8,2.5mm
Evaluation length	1L~ 5L (optional, L is the sampling length)	Ln = lr × n n = 1 ~ 5
Stroke length	3L~ 7L (optional, L is the sampling length)17.5mm / 0.71 inch
Sensors - Radius		5μm
Sensors - Materials
Sensors - Force Measurement		4mN
Sensors - Angle	90°	90 cone angle
Sensors - measurement principle		Displacement differential inductor
Sensors - Longitudinal Radius
Stroke length	3L~ 7L (optional, L is the sampling length)17.5mm / 0.71 inch
Drive speed - when measuring		lr=0.25, Vt=0.135mm/s;lr=0.8, Vt=0. 5mm/s;lr=2.5, Vt=1mm/s
Drive speed - when returning		Vt=1mm/s
filter	RCPC-RCGAUSSD-P	RCPC-RCGAUSSD-P
Measurement profile	Roughness, waviness, original contour	Linear dispersion, Roughness profile, Direct profile
data storage	Store 100 original data sources and waveforms
Data Interface	USB
Power	Built-in lithium-ion rechargeable battery, length 5cm, width 3.3cm, Film thickness 0.4cm	Built-in lithium-ion rechargeable battery, charged with DC5V, 800mA charger
Dimensions	1415540mm	Host: 64 * 53 * 160mm Driver: 23 * 27 * 115mm
Product Weight	400g	About 380g
Operating Conditions	Temperature: -20 ℃~ 60 ℃ Relative Humidity: < 90% no vibration around, no corrosive medium	Temperature: - 20 ℃~ 40 ℃; Humidity: < 90% RH
Applicable standard		ISO, ANSI, DIN, JIS
display	128 × 64 OLED dot matrix display
Display range	Ra, Rq: 0.005 um ~ 16 um ☹ Rz, Rv, R3z, Rt, Rp, R3z,: 0.02 um ~ 160 umRsm, Rs: 1mm ☹ Rmr: 0 ~ 100% ☹ Rsk: 0 ~ 100%
range	±20um，±40um，±80um
Minimum drive stroke length	1.3mm / 0.052 inch
Optional accessories	Surface Sensors, Small Hole Sensors, Groove Sensors, Deep Groove Sensors, Extension Rod, Micro Printer, KA620 measurement platform

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