Portable Surface Roughness Tester Sr210

Surface Roughness TesterSADT SR210SR220 portable surfaces roughness testeris a small handheld instrument with big LCD,high accuracy and various parameters. It can beused in the laboratory, inspection area or whereveron-site surface roughness testing is required. Themeasuring data of SR220 can be output to PC or microprinter.
Key Features
Δ28 parameters: Ra, Rq, Rz, Rt, Rp, Rv, RS, RSm, Rz(JIS), Ry(JIS), RSk, R3z, Rmax, Rpc, Rmr, Rku,
 Δ320μm wide range high accuracy induc tance probe;
 ΔFour filtering methods of RC, PC-RC, GAUSS and D-P;
 ΔCompatible with four standards of ISO, DIN, ANSI and JIS;
 ΔDSP chip is used to control and process data with high speed and low power consumption;
 ΔBuilt-in lithium ion chargeable batter y and control circuit;
 ΔDesign of mechanical and elec trical integration is adopted to achieve small bulk, light weightand easy usage;
SpecificationsModelSR210Measuring rangeZ Axis (Vertical)320μm (Ra=80μm)X Axis (Horizontal)17.5mmResolutionZ Axis (Vertical)Ra, Rq, Rz, RtMeasurement itemParametersRa, Rq, Rz, Rt, Rp, Rv, RS, RSm, Rz(JIS), Ry(JIS), RSk, R3z,
Rmax, Rpc, Rmr, Rku, RΔa, RΔq, Rδc, Ry, Rk, Rpk, Rvk,
Mr1, Mr2, A1, A2, V0;StandardsISO, ANSI, DIN, JISGraphic-FilterRC, PC-RC, Gauss, D-PSampling length (lr)0.25 / 0.8 / 2.5mmAssessment length (ln)Ln= lrxn n=1~5ProbeprincipleDifferential inductanceStylusNatural Diamond, 90° cone angle, 5μm tip radiusForce<4mNSkidRuby, Longitudinal radius 40mmTraversing speedlr=0.25, Vt=0.15mm/s
lr=0.8, Vt=0. 5mm/s
lr=2. 5, Vt=1mm/s
Return Vt=1mm/sAccuracyLess than or equal to ±10%RepeatabilityLess than or equal to 6%Power supplyBuilt-in Lithium ion
battery, AC adapter 5V,
1000mADimension112x50x47mm (LxWxH)Weightapproximately 360g