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    Thank you very much for all your help regarding the SADT Concrete Hammer and hardness tester which are working well and we are very pleased with it.
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Handheld Stable Surface Roughness Tester With High Accuracy For Shop Floor

Place of Origin Made in China
Brand Name SADT
Certification ISO
Model Number SR210
Minimum Order Quantity 1
Price 900-1500
Packaging Details Carrying case with carton
Delivery Time within 3 days after receipt of advanced payment
Payment Terms T/T in advance

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Product Details
Parameters 28 Parameters Filter RC, PC-RC, Gauss, D-P
Sampling Length (lr) 0.25 / 0.8 / 2.5mm Dimension 112×50×47mm (L×W×H)
Weight Approximately 360g Power Supply Built-in Lithium Ion Battery, AC Adapter 5V, 1000mA
Repeatability Less Than Or Equal To 6% Accuracy Less Than Or Equal To ±10%
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Product Description

Handheld Stable Surface Roughness Tester With High Accuracy For Shop Floor



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:


320μm wide range high accuracy inductance probe;

Four filtering methods of RC, PC-RC, GAUSS and D-P;

Compatible with four standards of ISO, DIN, ANSI and JIS;

DSP chip is used to control and process data with high speed and low power consumption;

Built-in lithium ion chargeable battery and control circuit;

Design of mechanical and electrical integration is adopted to achieve small bulk, light weight and easy usage;





Model   SR210 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

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

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