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Meteorological & Traffic Monitoring Solutions

HY-LXP21E Tunnel Entrance Luminance Sensor, highway tunnel brightness detector
HY-LXP21E tunnel luminance meter for tunnel lighting automatic control system
HY-LXP21E outdoor photometer for tunnel entrance brightness measurement
HY-LXP21E road tunnel luminance transducer for traffic tunnel monitoring
HY-LXP21E tunnel entrance brightness sensor for tunnel illumination regulation
HY-LXP21E Tunnel Entrance Luminance Sensor, highway tunnel brightness detector
HY-LXP21E tunnel luminance meter for tunnel lighting automatic control system
HY-LXP21E outdoor photometer for tunnel entrance brightness measurement
HY-LXP21E road tunnel luminance transducer for traffic tunnel monitoring
HY-LXP21E tunnel entrance brightness sensor for tunnel illumination regulation

HY-LXP21E Tunnel Entrance Luminance Sensor, Brightness Photometer for Highway Tunnel Lighting Control

HY-LXP21E measures the level of illuminance within the tunnel and report it to lighting control center, so that lighting strength within the tunnel can be precisely adjusted to ensure illuminance within tunnel is close to luminance of entrance and exit of tunnel.
Designed specifically for the tunnel environment, the HY-LXP21E continuously measures cosine corrected planar illuminance within the tunnel thus allowing elimination of directional error.
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    Introduction

    It can withstand  corrosive atmosphere and regular tunnel washing that the tunnel environment endures.

    HY-LXP21E continuously measures cosine corrected planar illuminance within the tunnel thus allowing elimination of directional error.

    Inner panel

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    Technical Specifications

    Measure range  0-20000 lux
    Accuracy  ± 1%
    Serial Output  RS485
    Protocol  MODBUS RTU
    Baud rate  1200 ~ 115200 bps
    Analog output 4-20mA
    Two ways relay 2A@24VDC
    Power Supply  100~240VAC 50/60Hz
    Power consumption  15Watt include heating
    Operating Temperature  -40 ~ +70°C
    Operating Humidity  0 ~ 100% 
    Protection Class  IP65
    Material  Powder coated steel
    Dimensions  370x189x167mm L x W x H 
    Weight  3.5 kg
    Shipping Weight  5 kg
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    Hongyuv Technology specializes in the R&D and manufacture of meteorological and traffic monitoring sensors, with a complete in-house independent development and production system established.

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