1. ANALYSERS & INSTRUMENTS DEPT. TUNNEL ROAD APPLICATION. I. -
ANALYSERS & INSTRUMENTS DEPT. TUNNEL ROAD APPLICATION I - GAS DETECTORS I I - OPACIMETERS III - ANEMOMETERS
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2. VIEW OF OUR SCOPE OF SUPPLY IN TUNNEL
Anemometers
Burner
Ignitor's tube
Opacimeters/
Dust monitors
Gas detector
Smoke detector
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3. TUNNEL DEPARTMENT III- ANEMOMETERS
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4. WINDCHECK: VELOCITY MEASUREMENT4

5. OPERATING PRINCIPLE WINDCHECK 5 View Technology Type of measure Safety
Sound propagation:
Measuring the displacement of an ultrasonic wave
Type of measure
Velocity and direction of the wind in a road tunnel
Safety
Strategic function with ventilation system
Sensors
2 transducers are alternately transmitters and receivers
Value
Meter by second
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6. TECHNICAL SPECIFICATIONS WINDCHECK
SENSOR
Velocity range
- 20 to +20 m/s
Velocity resolution
0.1 m/s
Velocity accuracy
0.5%
Wind direction
Bi-directionnal
Temperature range
- 40 to +60°c (up to +120°)
Temperature resolution
0.1°C
Temperature accuracy
+/- 1°C
GENERAL CHARACTERISTICS
Operating Temperature
- 40 to +70°c (up to 120 °)
Electric supply
24 VDC -15%/+10%
Power consumption
3 W
Analogue output signal
4-20mA / Fault < 4mA
Digital output
yes
Protection rating
IP66
Dimensions
310 X 120 X 300 mm (housing + sensor)
OPASTOP
CONSOLE
Display
LCD
Controls
4 push-buttons
Connection
Cable 4/20mA 6

7. WEIGHT, SIZE & DIMENSIONS
Weight = 2 kg 7

8. Electrical connection
ELECTRICAL SUPPLY
WIND: 4-20mA OUTPUT SIGNAL
Connector
Designation
+24V
Positive 24V terminal 0V
Negative 24V terminal NC
Earth
Wind 4-20 mA connector
Designation +
Positive terminal of the 4-20mA loop
GND
Negative terminal of the 4-20mA loop
TEMPERATURE: 4-20mA OUTPUT SIGNAL
Temperature
4-20 mA connector
Designation +
Positive terminal of the 4-20mA loop
GND
Negative terminal of the 4-20mA loop 8

9. ACCESSORIES, OPTIONS, SERVICES
Maintenance LC3 console
Services for testing, assistance with commissioning,
annual maintenance contract etc…. 9

10. VIEW OF FITTED PRODUCT
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11. Integrated temperature measurement
WINDCHECK anemometer
No moving parts
Unaffected by gyroscopic effects at low wind speed
Integrated temperature measurement
Auto-diagnostic and automatic fault correction
No calibration
Protection IP66
Setting by infra red remote control
Only maintenance: wet cleaning of the 2 tranducers

12. Thank you!
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