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KR311 Surface Roughness Tester
KR311 Surface Roughness Tester
The split TYPE roughness tester KR311 is a high-precision surface roughness testing instrument that measures for roughness of a variety of machined parts, including flat surfaces, inclined surfaces, outer cylindrical surfaces, curved surfaces, small holes, grooves etc.
The surface roughness tester is for metal and non-metal parts, especially suit for machined parts in machining manufacturing. It is usually used for measuring roughness for small work piece, as well as for on-site inspection of large work pieces, this surface roughness tester is an ideal instrument for testing, quality inspection, outgoing inspections by other departments, the measurement will not cause damage to the work piece.
Features
Measuring type
the Drive unit of this roughness tester can be stored within the main unit and separated from the main unit
Wide measuring range (Y axis 320μm )
the y axis refers to the parameter of range of the roughness tester, it is 320μm （-160μm~160μm）
Display size
3.5inch (480*320) large TFT display with back light, wide viewing angles
Real-time waveform
Synchronous display curve during measuring
Processor
The roughness tester KR311 is using DSP chip processor, high speed, low power consumption
Storage
the roughness tester KR311 memory up to 100 measurements
Measuring range 17.5mm （0.69 inch）
the x axis refers to max distance that sensor was dragged into the main unit during measuring. this is the movement way of the roughness tester
Technical Data
| Measuring Range z-axis | 320μm (-160μm~160μm) / 12600μin (-6300μin~+6300μin) |
| Measuring Range x-axis | 17.5mm/0.7inch |
| Testing Parameters | Ra Rz Rq Rt Rp Rv R3z R3y Rz(JIS) Rs Rsk Rsm Rku Rc Ry Rmax Rmr Rpc Rk Rpk Rvk Mr1 Mr2 |
| Sampling Length | 0.25, 0.80, 2.50mm |
| Evaluation Length | 1~5 sampling length |
| Filter | RC, PC-RC, Gauss, D-P |
| Assessed Graphic | Rmr curve, Roughness curve, Primary Profile |
| Indication Accurate to | 0.001μm |
| Tolerance | ± (5nm+10% of RA value of standard specimen) |
| Variability | <3% |
Standard Package
- Host 1 PC
- Sensor (non-warranty parts) 1 PC (Axe type KS160)
- Height adapter 1 Set
- Calibration block 1 PC
- Bracket for Calibration Block1 PC
- Extension cable 1 PC (length: 1m)
- Touch pen 1 PC
- Charging Plug & USB Cable 1 PC
- User manual 1 PC
- Instrument case1 PC
- Warranty 2 Years
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