Portable metale Surface Roughness Tester With High Accuracy and
software to PC
Digital surface roughness tester SR220
SR220 of digital 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.
KEY FEATURES
● 28 para meters: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;
● 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;
● 128×64 2.7” dot matrix OLED displays all para meters, graphs and
menu;
● 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;
● With internal memory chip, it can store 20 groups of measuring
data, usingextend SD cardtoextnedun limited memory ;
● Built-in remote control module, can take measurments romotely;
● Design of mechanical and electrical integration is adopted to
achieves mallbulk, light weight and easy usage;
● Can be connected to Bluetooth micro printer to print all
parameters and graphs;
● Built-in standard micro-USB interface enables communication with
PC;
● Automatic switch off, memory and various prompt instructions
Specifications
| Model | | 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, 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 |
Standard package
Main unit 1
Standard probe 1
Calibrate specimen 1
Specimen plate 1
Charger 1
Data transfer cable 1
Remote controller 1
Screw driver 1
Operation manual 1
Carrying case 1
