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Place of Origin : Made in China
Brand Name : SADT
Certification : ISO
Model Number : SR220
MOQ : 1
Packaging Details : Standard package
Delivery Time : within 7 days after receipt of advanced payment
Payment Terms : T/T in advance
Supply Ability : 50pcs/week
Measuring range : Z Axis (Vertical):320μm (Ra=80μm)
Standards : ISO, ANSI, DIN, JIS
Filter : RC, PC-RC, Gauss, D-P
Assessment length (ln) : Ln= lr×n n=1~5
Dimension : 112×50×47mm (L×W×H)
Weight : approximately 360g
Warranty : 1 year
Certificate : CE/ISO9001
Accurate Stability Surface Roughness Tester , Handheld Roughness Measure Instrument
SR210 / 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.
 
 Key features:
Specifications
| Model | SR210 | SR220 | |
| Measuring range | Z Axis (Vertical) | 320μm (Ra=80μm) | |
| X Axis (Horizontal) | 17.5mm | ||
| Resolution | Z Axis (Vertical) | 0.01μm/±20μm 0.02μm/±40μm 0.04μm/±80μm 0.08μm/±160μm | |
| Measurement item | Parameters | Ra, Rq, Rz, Rt | 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, | 
| 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 5V,1000mA | Built-in Lithium ion battery, AC adapter 8.4V, 800mA | |
| Dimension | 112×50×47mm (L×W×H) | ||
| Weight | approximately 360g | ||








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