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Visibility Sensor
Publish User:admin Publish Date:2010-01-13 16:17:57
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Product Intro

HY-VTF306B Visibility Sensor


Field of application


HY-VTF306B Visibility sensor measures atmospheric visibility by determining the amount of light scattered by different particles (smoke, dust, haze, fog, rain or snow) in the air that pass through the optical sample volume.

The forward scatter measurement principle and unique design ensure the output is both accurate and reliable in all weather conditions and will not be influenced by local lights sources, even those that flash.With a measurement range of 10m to 10km the sensor is suitable for use in road and aviation constructed from robust aluminium and finished  with a high quality powder coat, the sensor will provide years of reliable service. Heating of the optical windows and sensor hoods is provided as standard allowing use in the harshest of conditions. Both optical windows are monitored for contamination and the visibility output is automatically compensated to reduce maintenance requirement.



key Features

  1. Especially built for Traffic Applications
  2. 10m to 10km measurement range
  3. Ideal for road long distance visibility data collection
  4. Accurate and traceable measurement
  5. High mechanical strength
  6. Low maintenance requirement
  7. Simple Installation and Maintenance
  8. Compact forward design
  9. Not affected by local lights
  10. Hood heating for use in extreme environments


Specification:


Visibility measurement

Measures Range

10m to 10km

Accuracy

±10%

Measurement principle

Forward scatter meter with 39° to 51° angle


Outputs and Reports

Baud rates

2400-19200 Baud

Interface

RS232 or RS485

Output rate

1 per/sec

Protocol

ModBus and ASCII


Environmental

Operating temperature

-40°C to +60°C

Operating humidity

0 – 100% RH

Protection rating

IP65


Environmental

Operating temperature

-40°C to +60°C

Operating humidity

0 – 100% RH

Protection rating

IP65


Power Requirements

Operating Voltage

12-24 VDC

  Basic Sensor

1.8W

 De-Icing Windows Heaters

8W


Physical

Material

Powder coated, Hard-Anodized aluminium

Weight

2.2 Kg

Dimensions

706x250x170mm

Lifetime

>10 Years



Dimension





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