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Surface Roughness Tester SADT SR220

Product name: Surface Roughness Tester SADT SR220

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SR220 portable surfaces roughness tester is a small handheld instrument with big LCD, high accuracy and various parameters. It can be used in the laboratory, inspection area or wherever on-site surface roughness testing is required. The measuring data of SR220 can be output to PC or micro printer.
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 Δ  28 parameters: Ra, Rq, Rz, Rt, Rp, Rv, RS, RSm, Rz(JIS), Ry(JIS), RSk, R3z, Rmax, Rpc, Rmr, Rku,
 Δ RΔa, RΔq, Rδc, Ry, Rk, Rpk, Rvk, Mr1, Mr2, A1, A2, V0; (SR220 only)
 Δ 320μm wide range high accuracy induc tance probe;
 Δ Four filtering methods of RC, PC-RC, GAUSS and D-P;
 Δ Compatible with four standards of ISO, DIN, ANSI and JIS;
 Δ 128×64 2.7" dot matrix OLED displays all parameters, graphs and menu; (SR220 only)
 Δ DSP chip is used to control and process data with high speed and low power consumption;
 Δ Built-in lithium ion chargeable batter y and control circuit;
 Δ With internal memor y chip, it can store 20 groups of measuring data, using extend SD card to extned unlimited     memory; (SR220 only)
 Δ Built-in remote control module, can take measurments romotely; (SR220 only)
 Δ Design of mechanical and elec trical integration is adopted to achieve small bulk, light weight and easy usage;
 Δ Can be connec ted to Bluetooth micro printer to print all parameters and graphs; (SR220 only)
 Δ Built-in standard micro-USB inter face enables communication with PC; (SR220 only)
 Δ Automatic switch off, memor y and various prompt instruc tions (SR220 only)


Model   SR220
Measuring range Z Axis (Vertical) 320μm (Ra=80μm)
X Axis (Horizontal) 17.5mm
Resolution Z Axis (Vertical) 0.01μm/±20μm
Measurement item Parameters Ra, 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;
Standards ISO, ANSI, DIN, JIS
Graphic Roughness profile, Material ratio curve, Direct profile
Filter RC, PC-RC, Gauss, D-P
Sampling length (lr) 0.25 / 0.8 / 2.5mm
Assessment length (ln) Ln= lr×n n=1~5
Probe principle Differential inductance
Stylus Natural Diamond, 90° cone angle, 5μm tip radius
Force <4mN
Skid Ruby, Longitudinal radius 40mm
Traversing speed lr=0.25, Vt=0.15mm/s
lr=0.8, Vt=0. 5mm/s
lr=2. 5, Vt=1mm/s
Return Vt=1mm/s
Accuracy   Less than or equal to ±10%
Repeatability   Less than or equal to 6%
Power supply   Built-in Lithium ion battery, AC adapter 8.4V, 800mA
Dimension   112×50×47mm (L×W×H)
Weight   approximately 360g

A7 Tianzhu West Road, Tianzhu Industial Zone A, Konggang, Beijing, 101330, China

Tel: +86(10)8260-0228, 5166-3600 Fax: +86(10)8260-0229

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