Sensors for duration of sunshine and brightness

Measuring the duration of sunshine and brightness

Sensor for duration of sunshine
The CSD 3 is a sensor for the measurement of duration of sunshine. This duration is defined as the time when the direct (beam uv radiation) uv radiation exceeds the value of 120 W/m². In addition to that the instrument delivers the value of the total global uv radiation.
Integrated two level heating : 1 W or 10 W at 12 V DC
dimensions diameter 72.5 x 210 mm
place of application all geographical positions on earth
fit for use -30 to +70 °C
signal duration of sunshine 0 V DC (no sunshine) or 1 V DC (sunshine)
signal global radiation 1 mV per W/m² (nominal)
expected output for global radiation 0 to 1000 mV
461131 sensor for duration of sunshine CSD 3
         
Sensor for brightness
The sensor signal does not depend on any direction of the incident light and is adjusted to the sensitivity of the human eye. It is designed to measure the brightness of the daylight in the upper half sphere.
Both outputs of the sensor have a brightness proportional voltage or current signal. The signals can be used as input for controls of shading systems, heating plants or irrigation plants or in automated greenhouses or as twilight switch.
dimensions diameter 70 x 73 mm, weight 0.4 kg
measuring range 0 to 1,000 / 10,000 / 50,000 / 100,000 Lux
accuracy ± 5 % F.S.
signal 1 0 to 20 mA / 4 to 20 mA / 0 to 10 V (max 5 mA)
maximum load 350 Ohm with current signal
signal 2 same as signal 1, but for 0 to 1,000 Lux
spectral range 350 to 820 nm
visible azimuth 180°  
power supply 15 to 26 V DC or 24 V AC ± 10 %
fit for use -30 to +70 °C
461201 sensor for brightness
 
     
Sensor UVA
Spectral range
310...400 nm
Measuring range 0...30 mW/cm²
Output signal 0…5 V
provision 24 VDC
  connector, incl. mating plug
   
461301 Data transmission DK-UVA 3
   Download Product data sheet
     
  Sensor UVB
Spectral range 265...315 nm
Measuring range 0...50 µW/cm²
Output signal 0…5 V
provision 24 VDC
  connector, incl. mating plug
   
461302 Data transmission DK-UVB 3
 Download Product data sheet
 
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