Tunnel external illuminance detector【Tunnel luminosity monitor】

Tunnel Exterior Illuminance Detector [Tunnel Brightness Monitor] [FT-DW1] ଟ୍ୟୁନେଲ ବାହ୍ୟ ପ୍ରକାଶ ଅନୁସନ୍ଧାନକାରୀ Tunnel illuminance detector can meet the requirements of the entire tunnel lighting control, and the controller of the preset control mode automatically toggles the lighting switch according to the preset parameters according to the light source measurement value, providing the best value
for tunnel lighting.
Its design fully meets the requirements of CIE on tunnel lighting measurement, and can meet the "Road Tunnel Ventilation Lighting Design Code", and its overall design can fully meet the requirements
of harsh working environments in the field.
Product features: 1.
There is a good linear relationship
between the brightness and the photocurrent.
2.
The equipment comes with LCD screen, which can display the status of operation, fault alarm and data storage function
.
3.
Multi-range optional
.
4.
The photocell is calibrated at room temperature of 25 °C, and the error is automatically corrected to less than ±1%
in actual operation.
5.
The measurement characteristics are linear and can respond
instantaneously to changes in light.
6.
A variety of output mode selection, data transmission is convenient
.
Installation: tunnel light intensity monitor is installed on the wall of the tunnel, in order to avoid damage due to accidents or car wreckage, it needs to be installed at a height of about 4m, and the appropriate position
is greater than 10m from the tunnel entrance.
The tunnel brightness monitor is installed in the appropriate position
of about 4m from the road surface outside the tunnel and about 120-200m from the tunnel entrance.
High reliability and low maintenance.
The latest microprocessor technology, fully digital operation, easy
installation and commissioning.