1. Sensice ice detectors Dr Ulf Elman, President Sensice 2009

2. Sensice’s superior detectors More advantageous price/performance ratio Sensice 2009 Significantly reduced maintenance cost Smart new design gives better performance

3. Traffic accidents in Sweden 1995-1999: Sensice 2009 37828 at snowy or icy road surface conditions, of these did 15589 occur during black ice conditions, and in addition did 572 accidents related to aquaplaning occur

4. General properties Uses infrared spectroscopy Sensice 2009 IR emissionIR reception BIR reception A

5. General properties Principles of spectroscopy Sensice 2009 Ice transparent to visible light Ice is reflective (metal like) in the MIR range Ice is distinctly ”coloured” in the NIR range

6. Applications Use with RWS Sensice 2009

7. Applications Icing alert at building entrances Sensice 2009

8. Applications Ice detection at airports Sensice 2009

9. Applications Ice sheet or icicle buildup at sensitive spots Sensice 2009

10. General properties Large thickness interval due to two wavelength detection Sensice 2009 0.05mm – 3 cm

11. General properties Differentiates between six states: Sensice 2009 2. Wet 1. Dry 3. Clear ice 4. Snow 5. Sleet 6. Wet clear ice

12. Mechanical properties Sensice 2009 182mm x 154mm x 82mm 3.1 kg

13. Optical properties Detection range Sensice 2009 Recommended range 3-15 m Use at distances exceeding 25 m impractical

14. Optical properties Angular dependence of detection range Sensice 2009

15. Optical properties Detection range dependent on surface properties Sensice 2009

16. Optical properties Detects over extended area Sensice 2009 Beam divergence 12°

17. Optical properties Lamp exchange port Sensice 2009

18. Electrical properties Power supply Sensice 2009 2.1A 12V DC

19. Electrical properties Communication interface Sensice 2009 19200 baud, one stop bit and no parity RS232 New measurement results every 125 ms

20. Electrical properties Sensice 2009 Hardware reset Power on LED

21. Electrical properties Ports not intended for customer use Sensice 2009 Software download Calibration

22. Resistance to environmental influences Precipitation immunity Sensice 2009 Rain shield

23. Resistance to environmental influences Dew and frost Sensice 2009 22W heating

24. Resistance to environmental influences Temperature range -40°C to +60° Sensice 2009

25. Sensice’s superior detectors More advantageous price/performance ratio Sensice 2009 Significantly reduced maintenance cost Smarter design gives better detectors

26. Thank you Sensice 2009 Further information: www.sensice.com Inquiries: inquiries@sensice.com