Brand:SODI
Model:CVD-NO₂
SODI CO/VI/NO₂ detector specially used for highway tunnel environment monitoring, can detect tunnel coefficient of carbon monoxide and nitrogen dioxide concentration of detect visibility, can maintain the all-weather real-time detection of tunnel CO/NO₂ concentration and visibility coefficient.
After testing data processing to the tunnel management computer system for tunnel monitoring system analysis, according to the CO concentration and the concentration of NO₂ and VI, timely put forward the best monitoring and tunnel ventilation fan operating plan.
CO/VI/NO₂ detector should have very strong self-checking function, real-time online monitoring of CO/VI/NO₂ detector working condition, but failure will be alarmed immediately.
Characteristics and Advantages:
1. Flexible configuration, carbon monoxide, nitrogen dioxide, visibility range can be arbitrary configuration and unit, etc.;
2. Installation is simple - the only connection mouth;
3. Interface variety - 4~20 mA, or 0 to 20 mA, RS232 interface, relay interface, etc.;
4. High reliability - as long as a moving parts, testing operation, reliable and continuous surface maintenance design;
5. High precision - rapid, accurate, continuous automatic determination of CO concentration and the concentration of NO2, transmittance parameters, leading the market of patented technology;
6. Custom function - measuring values led real-time display function, can expand the function of nitrogen oxide.
Technical Indicators:
Carbon monoxide（CO） | NO2 detector | Visibility (VI or transmittance) |
Range： 0～300cm3/m3 | Range : 0～10m3/m3 ） | Range： 0～0.025/m |
Accuracy：±0.1cm3/m3 Resolution ratio：±0.1ppm | Accuracy： ±0.5% indicating value Resolution ratio：±0.1ppm | Accuracy：±0.1×10-4m Resolution ratio：±1×10-5m |
Response time： 0.1s-60min adjustable | Response time： 0.1s-60min adjustable | Response time： 0.1s～60min adjustable |
Range spectrum：Laser infrared inductive method | Range spectrum：Laser infrared inductive method | Range spectrum： Visible light |
Optical length: 3 m, or 10 meters single photon | Optical length: 3 m, or 10 meters single photon |
Performance Measures:
Analog Output: 4 ~ 20 mA output corresponding isolation CO value, VI, NO2 value;
CO, VI, NO2 transfinite alarm or fault alarm.
Digital Output: passive relay output, can be set up corresponding CO, VI, NO2 transfinite alarm or fault alarm.
Serial Communication: RS485 and RS232, support wireless transmission mode.
The AC Power: 100 ~ 240 VAC.50 Hz.
Protection Grade: IP68;
The Input Voltage: 76 ~ 265 VAC.
Maximum Load: 1000Ω;
Working Temperature: -80 ℃ ~ +80 ℃;
Working Humidity: 0%～100%RH
Installation method:
CO/VI/NO2 gas sensor. CO/VI/NO2 detector installed in the tunnel driving directions on the right side wall, the hanging installation, should not encroach on the road the following clearance within 5m.
Materials:
Ontology sturdy plastic spraying aluminum alloy surface treatment, high strength and preservative coating, and through rigorous testing, corrosion protection and electromagnetic leakage protection, automatic constant temperature heating optical lens, dew, drip-proof, moisture-proof, dustproof design
Weight:
Transmitter: 5.7 KG;
Receiver: 5.5 KG;
Stents (single) : 2.5 KG
