Visibility Sensor

Detection of environmental visibility in conditions of fog, smoke, dust, humidity, and determination of CO and NO2 gases
Measuring range of gases:
 CO: 0-1000 ppm
 NO2: 0-20 ppm

Visibility measurement range: 0~15*10-3 1/m
 No malfunction due to ambient light
 Maximum error 5%

Description

The IVS2 series offers a comprehensive solution, serving as a singular sensor for precise measurement of NO2, CO, and visibility in confined spaces like road traffic tunnels, rail tunnels, and other enclosed environments. These measurements are integral components of an air quality management system, contributing to the regulation and monitoring of ventilation systems or the detection of secondary smoke.
The IVS2 series visibility detection sensor operates by measuring the attenuation coefficient of the atmosphere and determining the visual range of the environment. Utilizing a transmitter-receiver setup, where a light beam with a wavelength of 550 nm is transmitted and received, the device calculates the energy received. This process allows for the measurement of the attenuation coefficient or, in simpler terms, the visibility of the surroundings. Additionally, the ECG1 series equipment is equipped with electrochemical sensors capable of measuring NO2 and CO gas levels in the environment.
The IVS2 series excels in accuracy, offering precise field-of-view measurements within a range of 10 meters to 10 kilometers. The obtained information is then converted into standard current, voltage, and RS485 outputs for versatile use. This sensor finds crucial applications in determining visibility levels on highways and airports, as well as assessing pollution and visibility in tunnels. Beyond environmental benefits, such as reducing energy consumption (via controlled use of projectors and air conditioners), the IVS2 series significantly contributes to enhancing safety in these critical spaces.

Applications:

Accurate measurement of the field of view under various weather conditions, including fog, dust, smoke, snow, and rain.
Suitable for deployment in meteorological organizations, shipping, and air and road industries to issue timely visibility warnings.
Applicable on roads, mountain passes, bridges, and tunnels to dynamically adjust timing and ambient lighting levels, thereby optimizing energy consumption and enhancing road safety.

Features:

Streamlined and lightweight design for easy installation and minimal footprint.
Robust and durable body construction ensures long-lasting performance.
Utilizes waterproof lenses with nano-technology for enhanced protection against the elements.
Demonstrates exceptionally low power consumption, contributing to energy efficiency.
Capable of issuing warnings to smart road signs, enhancing communication and safety.
Immune to malfunctions caused by varying ambient light conditions.
Maintains a maximum error rate of just 5%, ensuring accurate measurements.
Operates seamlessly at wind speeds of up to 60 meters per second, even in challenging weather.
Enables automated control of road lighting and ventilation systems for optimal resource utilization.
Incorporates a light source with a wavelength of 550 nm for reliable and consistent measurements.

visibility sensor-FA

Additional information

product type

Road and Tunnel

Product series

IVS2

Principles of measurement

Gases: Electrochemical, Vision Detection: Attenuation of the Direct Vision Beam

Contact with the measurement environment

Yes

measuring conductor

Gas

environment temperature

40°C – 60°C-

Measurement range

CO: 0 – 1000 ppm, NO2: 0 – 20 ppm, visibility: 0~15*10^-3 1/m

Power supply

180 – 240 VAC

Power

3.5 watts

Temperature range of the sensor

40°C – +60°C-

humidity

0 to 100 Percent

wind speed

Maximum 60 Meters per Second

Intrusion protection

IP67

Analog outputs

4-20 mA

Digital outputs

ASCII, Modbus RTU RS485

discrete outputs

Relay Output

Measurement accuracy

CO , NO2: 2% of Span, Visibility: 4%

Measurement resolution

CO: ± 1 ppm, NO2: ± 0.05 ppm, visibility: ± 0.0001 1/m

Response time

CO/NO2: 30 sec, visibility: 10 sec

Internal modules

Wireless GSM (optional)

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