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Shandong Fengtu IOT Technology Co., Ltd

Sales Manager:Ms. Emily Wang

Cel,Whatsapp,Wechat:+86 15898932201

Email:info@fengtutec.com

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

location:Home>Products>Road Weather Station>Light Transmittance Meter>Tunnel visibility monitor
Tunnel visibility monitor

Tunnel visibility monitor

Model:FT-SGT1

Brand:fengtu

Tunnel visibility monitor measures the light transmission rate in the atmospheric optical channel to reflect the light transmission rate, so as to obtain tunnel visibility and smoke concentration.

1.Tunnel visibility monitor product introduction

Tunnel visibility monitor measures the light transmission rate in the atmospheric optical channel to reflect the light transmission rate, so as to obtain tunnel visibility and smoke concentration.Tunnel visibility monitor does not require installation and debugging. It can be tested after powering on. The LCD screen displays the test data in real time. Considering the harsh natural environment in the tunnel, it is not convenient to connect to a laptop to store data. The instrument has its own internal memory, which can automatically save the test data. After the test is completed, the instrument is brought back to the laboratory and connected to the computer. The light transmittance display software can automatically import the data saved in the internal memory of the instrument into the computer and save it in EXCEL format for customers to review and use.

2. Main uses of tunnel visibility monitor

Atmospheric light transmittance under various atmospheric environments

Visibility values of highways under various atmospheric conditions

Acceptance test values for VI and CO values in tunnels

Temperature and humidity test values in the tunnel environment

3. Technical parameters of Tunnel visibility monitor

Test RangeLight transmittance (T)0-100%
Visibility (VI)1-5000 m
Smoke density (K)0-35*10-31/m
CO concentration (CO)0-300 ppm
Ambient temperature-40℃-+80℃
Ambient humidity0-100%
Status display128*64 dot matrix LCD screen, digital and character display
Test PrincipleLight transmission method, digital probe, electrochemical probe
Test error:±2% light transmittance (full scale)
Ambient temperature-30~70 degrees Celsius
Ambient humidity0~100%RH
Communication interfaceRS232/RS485/USB
Supply voltageAC 220V power adapter (with internal rechargeable lithium battery, can work continuously for more than 10 hours without external power supply)
Data storageCan store 70 hours of continuous test data
Detection cycle2s (can be customized according to customer requirements)
Storage cycle10s (internal storage)
Machine weight16KG (including instrument, instrument case, theodolite bracket)
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