HD-1004 Personal Aerosol Monitor

HD-1004 Real-Time Personal Particulate Monitor is the only direct reading instrument designed for true breathing zone measurements and comprehensive graphical reporting. The miniature & size selective optical sensor mounts within the OSHA defined breathing zone. The attached 37mm filter cassette allows for concurrent gravimetric and analytical sampling of lung damaging particulates. Calibrated to use for United States OSHA/NIOSH Occupational Health Reference Methods.



  • Occupational air monitoring
  • OSHA compliance
  • Welding fume exposure
  • Air quality studies
  • Safety audits


  • Direct Reading
  • Optical & Filter Sampler
  • Sensor mounts in breathing zone
  • Respirable, Thoracic, &Inhalable inlets
  • Optional Wireless Data Transmission
  • Specifications

    Belt mounted enclosure

    Inline 37mm Filter Cassette

    Sensing range: 0.01-200 mg/m3

    PM size range: 0.1 to 100 μm

    Sampling flow rate: 2.0 LPM

    Alarm output: 80 db

    Digital output: RS-232-

    Record Time: 1 s – 21 weeks

    Display: Real-Time mg/m3

    Operating temp: -10°C to -50°C

    Battery: Rechargeable 8hr

    Weight: 1.5 lbs

    Dimensions: 5.4 x 3.3 x 2.7 in