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Product Description
Surface Roughness Tester Meter KR220

MAIN FEATURE
- Stylish design with plastic shell, inspired by “TRANSFORMERS”;
- Visual waveform display;
- Electromechanical integration design, small volume, light weight, easy to use;
- Using DSP chip to control and data processing, high speed, low power consumption;
- 128 x 64 OLED dot matrix display, digital / graphic display; highlight no perspective;
- Intuitive and rich display information, can display all the parameters and graphics;
- Compatible with ISO, DIN, ANSI, JIS national standards;
- Residual quantity icon, prompting the user to charge;
- Continuous working time: more than 20 hours;
- Real-time clock settings and display, convenient data recording and storage;
- With automatic dormancy, automatic shutdown and power saving function;
- Multi-info Display: measurement information, menu prompt, fault and power switch information indicated.
- With PC software, can be connected to a computer and printer;
- Optional different sensor, measuring platform, mini printer, extension rod and other accessories;
TECHNICAL DATA
20 roughenss parameters | Ra,Rz,Rq,Rt,Rp,Rv,R3z,R3y,RzJIS,Rsk,Rku,Rsm,Rs,RPc,Rk,Rpk,Rvk,Ry Mr1,Mr2 |
Measuring Range | Ra: 0.005~16.000μm Rz: 0.02~160.00μm |
Sample Length | 0.25, 0.80, 2.50mm |
Evaluation Length | (1~5)L |
Maximum Drive Stroke | 17.5mm/0.7inch |
Indication Accuracy | 0.001μm |
Accuracy | Tolerance≤±(5nm+0.1A) A=Ra value printed on precise specimen |
Repeatability | <6% |
Data Storage | 100 groups |
Power | Rechargeable Li-battery |
Relative Humidity | <90% |
Working Temperature | -20°C~40°C |
Size | 158x63.5x46mm |
Weight of Host | 0.3kg |
RELATED OPTIONAL ITEMS
KS100 - Small Hole Sensor
KS100 - Small Hole Sensor, measures flat surface, shaft ; when measure inner hole surface, the diameter of inner hole are required>5mm, depth>22mm.
KS110 - Curved Surface Sensor
KS110 - Curved Surface Sensor, to measure smooth cylindrical surface which radius is larger than 3mm, for the large radius smooth spherical surface and other surface also can obtain good approximation, need to work with platform KA520 or KA620.
KS120 -very small hole Sensor,
KS120 -very small hole Sensor, to measure the inner surfaces of holes with radius more than 2mm, better to work with platform KA520 or KA620.
KS131 - Deep Groove Sensor
KS131 - Deep Groove Sensor, measure groove with width wider than 3mm and depth deeper than 10mm, or the surface roughness of step with height less than 10mm, also can used to measure the planar, cylindrical used with platform,better to work with platform KA520 or KA620.

STANDARD DELIVERY
- KR220 Host
- Standard Sensor KS100
- Standard Calibration Block
- Bracket for Calibration Block
- Adjustable Support
- Power Charger
- USB Cable
- PC Software
- User manual
- Instrument case
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