Tianqiong Sensor 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
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Contact us
Tunnel visibility monitor
Model：FT-SGT1
Brand：tianqiong
Tunnel visibility monitor is designed for use in road and rail tunnel applications, measuring toxic gases, visibility and temperature.
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1.Introduction to Tunnel visibility monitor
Tunnel visibility monitor is designed for use in road and rail tunnel applications, measuring toxic gases, visibility and temperature.Tunnel visibility monitor does not require installation and debugging, it can be detected by power on, and the detection data is displayed in real time on the LCD screen.Considering the harsh natural environment in the tunnel, it is not convenient to connect to the laptop to store data synchronously.The instrument comes with its own memory, which can automatically save the detection data.After the detection is completed, the instrument is brought back to the laboratory and connected to the computer.Through the light transmittance display software, the data saved on the instrument's internal memory can be automatically imported into the computer and saved in EXCEL format for customers to review and use.
2.Main uses of Tunnel visibility monitor
Atmospheric light transmittance in various atmospheric environments
Visibility values of roads in various atmospheric environments
Acceptance and detection values of VI and CO values in the tunnel
Temperature and humidity detection values of the environment in the tunnel
3.Tunnel visibility monitor technical parameters
| Test scope | Light transmittance (T) | 0-100% |
| Visibility (VI) | 1-5000 m | |
| Smoke concentration (K) | 0-35*10-31/m | |
| CO concentration (CO) | 0-300 ppm | |
| Ambient temperature | -40℃-+80℃ | |
| Ambient humidity | 0-100% | |
| Status display | 128*64 dot matrix LCD screen, number and character display | |
| Test principle | Light transmission method, digital probe, electrochemical probe | |
| Test error: | ±2% light transmittance (full scale) | |
| Ambient temperature | -30~70 degrees Celsius | |
| Ambient humidity | 0～100%RH | |
| Communication interface | RS232/RS485/USB | |
| Power supply voltage | AC 220V power adapter (with rechargeable lithium battery inside, it can work continuously for more than 10 hours without external power supply) | |
| Data storage | Can store detection data for 70 consecutive hours | |
| Test cycle | 2s (can be customized according to customer requirements) | |
| Storage cycle | 10s (native storage) | |
| The weight of the whole machine | 16KG (including instruments, instrument boxes, theodolite brackets) | |
Address:https://www.tianqiongsensor.com/Light-Transmittance-Meter/Tunnel-visibility-monitor.html
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