PAR sensor EMS 12S

Product Group: Sensors
  • manufactured bylogo small
  • small sensor for measurement of PAR
  • wave length range 400 to 700 nm
  • silicon semiconductor photovoltaic detector
  • digital SDI-12 output
  • compatible with radiation shields with holder AL 0171 


Output SDI-12 version 1.3
Sensitivity 0.1 µmol s-1 m2
Linearity Better than 1%
Cosine error <10% up to 85° angle of incidence
Protection rating IP68
Size (diameter x length) 22 x 66 mm
Weight 48 g
Operating environment temperature  –40 to 60 °C
Operating environment humidity 0 to 100%

Glass optics

D SC  0667
  • more stable than plastic optics
  • less frequent calibration requirements
  • great cosine response

Water level adjustable mounting

E MS  12 holders
  • plate on top of stick
  • verically sliding plate on pin
  • plate compatible with radiation shield

SDI-12 data output

  • asynchronous serial communications protocol for intelligent micro-processor based sensors
  • sensor typically takes a measurement, makes computations based on the raw sensor reading, and outputs the measured data in engineering units
  • allows connection of set of sensors serially on one cable line


documentdocument 2 Datasheet