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SensoWeb "moist" - Moisture measurement along a paper machine
The measurement of material moisture is of great importance for optimized process control in paper, cardboard and pulp production: e.g. B. to set the appropriate residual moisture for problem-free loading and transfers or to control the dewatering effect of the press. This can also make a positive contribution to reducing energy costs in energy-intensive processes in the press and/or drying group.
Highlights:
Based on proven multi-channel technology, Sensorik Austria offers customers in the paper industry special sensor systems for moisture measurement that can also be used under the harsh environmental conditions:
- Thanks to fiber optics, the sensors can be used practically anywhere in and outside the drying group
- The heavy duty fiber optics with a length of up to 15 m enable the sensor electronics to be positioned in less exposed locations
- Special sensor heads with integrated air purging can also handle high levels of contamination
- Newly developed brackets make it easier to position and align the boom with the sensor head
- The fiber optic concept also allows multiple sensors to be placed across the width of the paper web or even traversal across the paper web!
| Technical Specifications (Optimized) | SensoWeb Moist |
|---|---|
| Measuring principle | Near infrared |
| Measuring range | 0-100% humidity |
| Accuracy | product-dependent |
| Resolution | 0,1% |
| measuring time | einstellbar |
| Measuring distance | Depending on the application, up to 200 mm |
| light source | IR LED |
| detector | photodiode |
| Ambient temperature | Sensor up to 50 °C, sensor head up to 200 °C |
| tension | 24 VDC |
| outputs | up to 4 analog (4…20 mA) |
| Class | IP65 |
Application examples:
- Paper machine: after press/entrance VTG, within VTG, exit VTG, after film press/entrance NTG, exit NTG
- Moisture measurement guide strips
- Optimization of moisture in the edge area of the paper web
- Coating machine: readjustment of the coating application
- Corrugated cardboard production: moisture measurement before gluing
Sensorikaustria.com – your partner for powerful sensor solutions
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