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Functions——Visiometer Introduction

HY-V35 forward scattering visiometer is an optical sensor for measuring visibility (meteorological optical range/MOR), using the principle of forward scattering to measure visibility with a range of 10m-35000m. The working mechanism is as follows: particles with diameters of optical wavelength will scatter light, in proportion to density of light streams while large particles move in the same way of reflectors and refractors. The impacts of large particles on MOR should be processed on a separate basis, usually precipitation droplets. The optical devices on HY-V35 could instantly detect droplets from the signal changes.

● Specifications

1. Structure

Transmitter

Regulator/Receiver

Blank panel

Pt100 temperature sensor in the tube

Fitting socket

Protective heater (optional)

PWL111brightness sensor (optional) position

2. Visibility measurement parameters

 

Capability

Description

Measurement Range (MOR)

10 35000 m

Precision

 

±10%,  10 10000 m

±15%,  10km 35 km

       Equipment consistency

+ 5%

Time constant

60 seconds

Updating interval

15 seconds

 

3. Specifications

Parameters

remarks/value

Size

199mh*695mmw*404mmd

Weight

3kg

Installation

Installed on metal rods or directly on mast

Material

aluminum

 

 

● System advantages

1. Light in weight, easy maintenance: a single visiometer weighs only 3kg and could be installed and maintained by one person.

2. Compatible to various environments under all weather conditions, unmanned 24-hour operation.

3. Solid theoretical basis for reliable algorithms of retrieving visibility via optical and electronic signals; a single fitting formula could realize full-scale visibility calculation without point-by-point correction, which is highly representative and consistent.

4. Low power consumption: sensors of visiometer consume only 3w while other products of the same type consume 30w (required by specification instruction 30w); Optional heating consumption is 60w while other products of the same type consume 300w.

5. Multi-voltage power supply: the whole system meets the standard of 220V(±10%) and 50Hz±6%while the sensors are 12-50V DC powered.

6. Scientific validation: on-site calibration of visibility above 5km by validation sets with simplicity, convenience and reliability.

7. Logical design with high consistency: simple and exquisite, reliable material, high stability and consistency.

8. Universally applicable data collection system of reliable data: verified in various meteorological equipment, supportive of multi-output modes including data dictionary, Long-lasting local storage.

 

9. Large market share with effective technical support.

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Huayun Sounding(BeiJing) Meterological Technology Co,.Ltd
Address:No.46 zhongguancun south street,Beijing,China(100081), Tel:+86-10-58995042 Fax:+86-10-62174629 Email: sales@cnhyc.com
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