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Add:No. 155 Optoelectronic Industry Accelerator, Gaoxin District, Weifang, Shandong, China

location:Home>Products>Sensors>Atmospheric Visibility Sensor>Visibility detector
Visibility detector

Visibility detector

Model:FT-N5

Brand:fengtu

Visibility detector is used to monitor visibility conditions within 5KM. It is a precision photoelectric meteorological visibility instrument that continuously works in all-weather conditions.
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1.Visibility detector product introduction

Visibility detector is used to monitor visibility conditions within 5KM. It is a precision photoelectric meteorological visibility instrument that continuously works in all-weather conditions.

The N5 type Visibility detector uses forward scattering method to measure the total extinction coefficient of the air, and then calculates the current visibility, which is widely used in road traffic, meteorological and other industries.

2.Visibility detector technology features

1.The instrument shell is high-quality aluminum material, and is sprayed after anodization.The whole machine has excellent waterproof, dustproof and collision-proof performance;

2.The instrument transmitting and receiving lenses are designed downward to greatly reduce interference from sunlight and other miscellaneous light;

3.Weather phenomenon identification, which can identify weather phenomena such as fog, rain, snow, mixed precipitation, sunshine, etc., with a high recognition rate;

4.Built-in watchdog circuit to ensure reliable and stable outdoor operation for a long time;

5.The instrument communication and power interfaces both contain lightning protection designs, which greatly reduce lightning strikes and static damage;

6.12~24V wide voltage power supply, total power is about 1W, and the power consumption is extremely low.It can be powered by solar panels, batteries, etc.for a long time;

7.The digital interface uses RS485 or RS232, the standard MODBUS protocol, and there is no need for protocol adaptation;

8.The instrument can output 15s, 1min, and 10min visibility values, and can be read directly without configuration, making it more flexible to use.

3.Visibility detector execution standards

QX/T 536-2020 Forward scattering visibility meter test method

4.Visibility detector technical indicators

Main parametersParameter rangeResolutionerror
Range5km1m≤2km ±2%2km~10km ±5%>10km ±10%
Repeatability≤4%
Weather phenomenaFog, rain, snow, mixed precipitation, sunny
Weather phenomenon recognition rate≥95%
Operating temperature-40~60℃
Working humidity0~100%RH
Working power supply12~24V
Power consumption1W
size610x230x360mm (Length x Width x Height)
weight≤10kg

5.Visibility detector installation instructions

1.Installation location

The installation location of the visibility meter needs to be selected on an open, flat, unobstructed ground, away from buildings, trees, shrubs, peaks and other objects.This ensures that the instrument's observation range is not blocked and the data is more accurate.

Unnecessary optical interference should be avoided.The receiver of the visibility meter should be installed to a strong light source (such as sunlight), and the transmitter and receiver should be located in the north-south direction.

2.Installation height

The installation height of the visibility meter should be greater than 1.5m and less than 3m.The installation height exceeds 3m, the corresponding height should be calibrated.

3.Installation steps

3.1 Before installation, users should prepare columns and install them on the columns using the clamps provided by the instrument.

3.2 Lift the instrument to a suitable position, use the bolts after the clamp to install and fix the visibility instrument.During installation, ensure that the receiver and transmitter openings are downward, otherwise they should be reinstalled. 


Address:https://fengtutec.com/Atmospheric-Visibility-Sensor/Visibility-detector.html
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