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OPC–N/OPC-R Optical Particle Counters

Updated:2023-08-03

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  • Brand: Alphasense
  • Model: OPC–N/OPC-R
  • Description: Particulates & aerosols are most dangerous components of poor quality air and we know that the size and composition of these particulates determines their toxicity. At Alphasense, we pioneered a range
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Product Details

OPC–N/OPC-R Optical Particle Counters Description:

OPC – N Series

In response to long-term projects in highly polluted urban environments, Alphasense has further ruggedized the OPC-N range and improved functionality in line with the demands of commercial applications. The latest OPC-N3 has the same dimensions and power/interface as the older OPC-N2, however it now measures from 0.35μm to 40 μm and sorts into 24 size bins.

Additional features of the OPC-N3 include improved aerodynamics with reduction of particle deposition, better small particle detection and extended upper size measurements. As a result, the OPC-N3 can measure from in a broad range of applications, from clean rooms to areas with pollution levels of up to 2,000 μg/m3 (PM2.5), all with the unique feature of being able to measure pollen.

OPC-R Series

The OPC-R series gives excellent performance in a device which is not only extremely small at just 70mm long x 21mm diameter but is also extremely cost effective. The OPC-R2 superseded the OPC-R1, bringing with it improved small particle detection, reduced fan noise and better EMC protection than its predecessor. The R1 and R2 have identical power requirements, communication protocols and data formats meaning that upgrading or transitioning from R1 to the R2 is painless.

Using state of the art laser-scattering technology, the OPC-R series devices benefit from clean flow paths with 0.3 L/minute flow rate and collimated optics. Our removable flow exit adaptor allows for easy system integration and the SPI interface & PC analysis software make for simple data collection and analysis. With 16 sized bins, the OPC-R2 can record PM1, PM2.5 and PM10 every second along with size histograms – critical when your application requires more than just the PM.

OPC-N3 sensor

OPC-R2 sensor

File Description Type Download
OPC-R2
Particulate Monitor
Data Sheets Download
OPC-N3
Particulate Monitor
Data Sheets Download

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