Supply of tunnel light intensity detectors inside and outside tunnel tunnel light intensity detectors

测量范围：

0～6500 cd/㎡，最大可测10000 cd/㎡（可设定）

测量精度：

≦±0.1cd/mm

传输接口：

2通道：0，2，4～20mA ，隔离输出，最大负载1000欧

The series of light intensity detectors is an on-site real-time brightness detection equipment developed by the American R Company for the special requirements of long tunnel lighting control.
The casing of the series light intensity detectors is made of high-grade aluminum alloy material, and the protection level reaches 100%, which fully ensures the stability of the equipment working in harsh environments such as the open air. The front window is sealed with a high-strength transparent polycarbonate gasket, and there is a removable gasket at the rear to facilitate the connection of the main power supply and controller cables. The use of internal heaters can minimize the impact of temperature factors on photovoltaic cells composed of silicon photodiodes, further ensuring the measurement accuracy of the instrument.
The new light intensity detector makes the entire lighting system more efficient. The system can adjust between natural light and artificial lighting in a timely manner according to the user's needs to ensure driving safety and save energy.
Product model
(Outside the tunnel)
> (Inside the tunnel)
Mean time between failures
Hours
Measuring range
~/㎡, Maximum measurable/㎡ (can be set)
> -
> Protection level
>
> Measurement accuracy
> &;% &≦&;./< br/> > &;% &≦&;.
Temperature control
, (adjustable)
Transmission interface

Channel: ~&, isolated output, maximum Load ohm
Operating temperature
-℃～+ ℃
> Data storage

Local data storage is greater than hours
Working humidity
~%R
> Status display

Equipment status display, equipment failure alarm function
> Power supply
> ~
> Numerical display

Real-time display of measured values
> Digital interface
> Data bus
Technical indicators:
Product features:
&The influence of temperature factors on accuracy Small (internal heating maintains constant temperature).
&The equipment comes with status display, fault alarm and data storage
&Large range, complete and durable optical probe.
&Zero point compensation function.
Mean time between failures in hours