ISO 5627 ISO8791 BEKK Smoothness Measuring Tester , High Performance & Precision
ISO 5627; ISO8791 BEKK Smoothness Measurement Instrument
Overview:
smoothness meter: ISO standard,High performance micro computer, high precision sensor, advanced oil free vacuum pump.
1. Introduction:
This is paper smoothness tester,smoothness testing machine,BEKK smoothness tester.
PN-BST Bekk smoothness tester is a new type tester developed by our company according to the ISO standards. This instrument is mainly used to test the smoothness of the paper or cardboard (by Bekk method). Bekk smoothness: time in seconds which under a defined pressure differential is required to draw a definite quantity of air at atmospheric pressure between the surface of the test piece and a ring-shaped plane surface under specified conditions of contact. The smoothness of a wide range of paper and boards may be measured by this method and it is especially recommended for smooth papers and boards. However , for very smooth samples, measurement times may be impractically long.
2. Application:
Paper. paperboard .
3. Standards:
ISO 5627; ISO8791
4. Specifications:
| Power supply | AC220V±10% 50HZ |
| Precision | 0.1s; Testing range: 1~99999 s |
| Measuring range | 10±0.05cm2 |
| Pressure | 100kpa±0.5kpa |
| Display | English menu and LCD screen |
| Printer | thermal printing, high speed and no noise. |
| Communication output | standard RS232 interface |
| Vacuum container volume(ml) |
1. Big vacuum container: 380±1 2. Small vacuum container: 38±1 |
| Vacuum setting range (kPa) |
>300S 50.66～48.00 15-300S 50.66～48.00 <15S 50.66～29.33 |
| Air discharge volume(ml) |
(50.66kPa down to 48.00kPa) Big vacuum container :10±0.15 Small vacuum container: 1±0.04 |
| Ambient conditions | temperature 10~30 degree. Relative humidity<85% |
| External dimensions and weight |
Length × Width × Height: 370mm×330mm×390mm / 30kg |
5. Features
- Unoiled vacuum pump
- Choose prepressing time
- Rapid measurement
- Better sealed
- Thermal printer
- PLC display
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