1. Fives Pillard 1 Fives Driving Progress ANALYSERS & INSTRUMENTS DEPT. TUNNEL ROAD APPLICATION I-GAS DETECTORS I I-OPACIMETERS III-ANEMOMETERS

2. Fives Pillard 2 VIEW OF OUR SCOPE OF SUPPLY IN TUNNEL Ignitor's tube Burner Gas detector Anemometers Opacimeters/ Dust monitors Smoke detector

3. Fives Pillard 3 Fives Driving Progress TUNNEL DEPARTMENT I-GAS DETECTOR NOCOSTOP V2

4. I- NOCOSTOP VIEW OF THE PRODUCT 4

5. Fives Pillard 5 OPERATING PRINCIPLE NOCOSTOP V2 Type Technology Electrochemical Cell Type of measure Continuously In situ Continuously In sampling Type of Gas measured NO / CO / NO2 1 cell by gas NO / CO / NO2 1 cell by gas Material ABS In sampling In situ

6. TECHNICAL SPECIFICATIONS OPASTOP 6 NOCOSTOP V2 Mechanical characteristics ABS Material (Stainless steel in option) Housing protectionIP65 Dimensions / Weight127 x 150 x 80 mm / 500 g Anti-water splash deviceIntegrated Particle filterIntegrated Metrological characteristics Measuring rangeCO: 0 –100 to 300 ppm ; NO : 0-10 to 100 ppm ; NO2 : 0-1 to 10 ppm ResolutionCO and NO : 0,1 ppm ; NO2 : 0,05 ppm AccuracyCO : 2 ppm ; NO : 0,2 ppm ; NO2 : 0,1 ppm Lower detection limitCO : 1 ppm ; NO : 0,5 ppm ; NO2 : 0,2 ppm Response time< 30 s Expected lifetime> 3 years Drift< 5% per year Temperature range- 40°C to +65°C

7. ELECTRICAL CHARACTERISTICS 7 Electrical characteristics Power supply 24 VDC +10/-15% Power consumption0,7 W without heating / 12 W with heating Interfacing Compatible with RC3 communication console Communication by 4/20 mA connection Fault warningSignal between 1 and 3 mA

8. WEIGHT, SIZE & DIMENSIONS 8 Weight = 500 g

9. Electrical connection 9 Designation of the cable conductors Use Positive pole 24V Detector power supply 24VDC (0,450 A when operating with heater) Negative pole 24V Positive pole of 4-20mA loop Current loop outlet (Toxic gas concentration) Negative pole of 4-20mA loop EarthEarth for electrical protection and CEM

10. ACCESSORIES, OPTIONS, SERVICES Display:LCD screen on front face Extractive measureAdaptor for gas circulation MaintenanceLC3 console HousingStainless steel 304L Calibration kit for maintenance Services for testing, assistance with commissioning, annual, maintenance contract etc…. 10

11. Fives Pillard 11 VIEW OF FITTED PRODUCT

12. ELECTRICAL OUTPUT 12 Earth + 24 VDC - 24 VDC + 4-20 mA 4-20 mA

13. PRODUCT MAINTENANCE 13 I-Calibration of the equipment I)+ + II-Replacement of the filter + +

14. MAIN ADVANTAGES Easy start-up and maintenance Simple calibration, without dismantling One cabinet : possibility 3 cells thermo-regulated (1 per cabinet) Adjustable scale 0 à 300ppm of CO 0 à 100 ppm of NO 0 à 10 ppm of NO2 Protection IP65 Two possible configurations In-situ or extractive measuring In situ version Extractive version Remote control Calibration gas