AeroTrak 7301-P Remote Particle Counter

AeroTrak® Remote Particle Counter Model 7301-P with Pump is an excellent solution for aerosol monitoring in challenging locations. Model 7301-P uses an internal vacuum source, providing the freedom to be installed where needed. It continuosly collects real-time data. Integration is easy using either Ethernet (TCP/IP) or serial Modbus® RTU connections. The product is small, light weight, and easy to install. The instrument can be configured to run with facility monitoring systems, like TSI’s FMS 5.

Model 7301-P complies with stringent resolution requirements set forth in ISO 21501-4. It is calibrated with NIST traceable PSL spheres using TSI’s world-class Classifier and Condensation Particle Counters, the recognized standard for particle measurements. Backed with TSI’s long-standing reputation for high quality, there are no other particle counters like it on the market today.

Features and Benefits

  • 0.3 to 50 μm size range
  • Three selectable size channels from 0.3, 0.5, 1.0, 2.0, 2.5,and 5.0 μm
  • 0.1 CFM (2.83 L/min) flow rate
  • Internal pump with filtered exhaust
  • Ethernet (TCP/IP) and serial Modbus® RTU output
  • 3000 sample record storage for data redundancy
  • Configurable IP address
  • Local or remote configuration via web browser
  • Small form factor and easy to install
  • Long life laser diode
  • Easy-to-read status indicator


  • Excellent for air monitoring in critical infrastructures
  • Continuously monitor USP 797 clean spaces
  • Designed for ceiling mounting and plenum tested to UL 2043
  • Quiet operation for discrete use in offices and hospital pharmacies