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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Driving Progress
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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. II. -. OPACIMETERS. OPASTOP 3000 T. OPASTOP 3000 S
TUNNEL DEPARTMENT II - OPACIMETERS OPASTOP 3000 T OPASTOP 3000 S OPASTOP 3000 ST
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Driving Progress
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4. VISUAL & VERSIONS
OPACIMETER
GP 3000T
GP 3000S
GP3000ST
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5. OPERATING PRINCIPLE Location In situ In local control room Technology
Measuring by environmental optical backscatter
Measuring by optical backscatter in a measuring vessel
Measuring by reflection
Measuring chamber
Measure of dust
Continuously
Measure points
1 sample point
2 sample points
Heating system to eliminate fog -
Integrated
integrated
Light
Modulated light beam by high power LED
Drift compensation against fouling
Not integrated
Contamination control and automatic drift compensation against fouling
GP 3000T
GP 3000S
GP3000ST
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6. TECHNICAL SPECIFICATIONS
OPASTOP
GP 3000T
GP 3000ST
GP 3000S
POWER SUPPLY
230V / 115V (+10/-15%) 50HZ / 60HZ
POWER CONSUMPTION
100 VA
50 VA
30 VA without turbine
210 with turbine up to 15 metres
1,1 kva with turbine up 100 meters
MEASURING RANGE
0 to K
0 to E/m
0 to K
OPERATING TEMPERATURE
-20°c TO 50°C
STORAGE TEMPERATURE
-20°c TO 60°C
HOUSING
Stainless 304 L
Stainless steel 316 L
PROTECTION
IP 65
IP 54
DESIGN
Modular design
Compact cabinet
ANALOG OUTPUT
4-20mA on750 Ohms
LOGIC OUTPUT
2 threshold relays,1 general fault relay
2 threshold relays/1 alarm relay/1 extraction fan command relay
2 threshold relays,1 general fault relay,2 solenoid control relays
WEIGHT
13Kg
10Kg
6Kg 6

7. OPASTOP GP 3000ST
OPASTOP GP3000ST
Measuring by reflection, in situ
Modulated light beam by high power LED
Automatic drift compensation against fouling
Stainless steel 316L
Heating system to eliminate fog (50w)

8. GP3000 S OPASTOP GP3000S Measuring by extraction sampling
Modulated light beam by high power LED
Automatic drift compensation against fouling
Possibility of managing two sample points
Heating system to eliminate fog (50w)

9. OPASTOP GP3000S & GP3000 ST: presentation
Suction inlet
(with protection against water splash)
Suction inlet (with protection against water splash)
Measuring panel
Measuring panel
Main electronics board
Main electronics board
Sensor
(measuring chamber)
Sensor
(measuring chamber)
Air fan
Discharge
Discharge
Filter
Filter

10. GP3000 T OPASTOP GP3000T Measuring by reflection, in situ
Modulated light beam by high power LED
Single sensor integrated in electronic panel
Modular design

11. OPASTOP GP3000T: définition of the system
A cone of modulated light is emitted from a light source module.
A receiver positioned at 90° to the light source unit receives part of the reflected light from the suspended particles.
A sweeping air system enables the fibre optic tips to stay clean.

12. OPASTOP GP3000T: définition of the system

13. PROTECTION & CERTIFICATION
Protection rating (as per EN60529) : IP65
Protection against dust
Hermetically sealed against dust
Protection against water spray
Water sprayed by a jet on the protection cell, from whatever direction, will have no detrimental effect. 13

14. VIEW OF FITTED PRODUCTS14

15. Maintenance operations
Calibration device
Maintenance operations
· The general appearance of the wiring in the cabinet,
· The cleanliness of electronic circuits (de-dusting with power off)
· The condition of the panel door seal,
· The condition of the sensor filter
· The condition of the fan
. Filter replacement