This episode of Tech Specs is part of a video series highlighting the features, applications, and technical specs of newly-released products.

Amphenol Sensors Laser Dust SM-UART-04L

The SM-UART-04L is a laser-based sensor capable that quickly and accurately provides PM2.5 measurements. A fan pulls air into the housing, where a laser LED illuminates the particles and a photo sensor detects reflections from particles ranging from 0.3 to 10 microns.  

The SM-UART-04L is easy to use, as the output of the photo sensor is processed by an integrated MCU and the measured concentration levels are output over a UART interface, with a detection range of 1 to 999 micrograms per cubic meter. The laser-based measurement offers a fast 1 second response time and an average of 40,000 hours before re-calibration is required. 

  • Fast, accurate PM2.5 + PM10 measurements
  • Particle size: 0.3µm to 10µm, 2.5µm typical
  • Output: UART (3.3V)
  • Detection range: 1µg/m3 to  999µg/m3
  • Response time: 1 second
  • Laser life (average time before re-calibration): 40,000 hours

More Information 

 


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