Model 2301

The 2301 particle counter provides a particle size measurement range of 0.3 or 0.5 to 25.0 μm at a flow rate of 0.1 CFM (2.83 LPM). These sensors enable efficient particle counting with specifications that exceed ISO 21501-4 and JIS B9921 calibration standards. These sensors have 4 fixed-size particle channels and feature an integral critical orifice and a flow sensor to provide a stable flow rate from an external vacuum source. Integration into a building automation or facility monitoring system is simple via isolated RS-485 Modbus communication.

Applicable Standards
  • ISO 21501-4

    Determination of particle size distribution — Single particle light interaction methods

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