DPM-7204 Personal Diesel Particulate Monitor

The product is designed for measuring diesel particulate matter for Industrial Hygiene and Environmental air investigations. The HD-7204  is individually worn and offers immediate determination and data storage of air borne diesel particulate concentrations in micrograms per cubic meter. This is the only commercially available personal direct reading aerosol monitor specifically designed and calibrated for measuring occupational exposures of diesel particulate matter in the work place. In addtion, this is the only real-time DPM Compliance monitor on the market.   



  • Diesel Engine Surveys
  • Combustion Efficiency
  • Mining
  • Transportation (i.e. bus depots, trucking, freight)
  • Survey tool for MSHA and NIOSH Compliance Programs


  • Flow compensated pump
  • An optical sensor mounted in the OSHA defined breathing zone
  • Accepts any standard 27 or 25mm pre-loaded filter cassette
  • Validated sampler meets the ISO 7708 Standard
  • Easy to clean optical sensor with calibration span verification.
  • On screen programming for creating a unique aerosol library and data sets.


Weatherproof Enclosure

Inline 37 or 25 mm preloaded filter cassette.  

Sensing Range: 1-500,000ug/m3

Flow Compensated Sampling flow rate: 1.0-5.0 LPM

Alarm output: 90 db at 3 ft

Digital Output: Micro USB

Record Time: 1 s. to 15 days

Operating temp: 0 to 50°C

Battery: 22+ hrs @ 2LPM with IOM and no filter

Weight Instrument 1.14lbs

Sensor Weight:  0.6lbs

Dimensions Instrument: 3.5″ x 2.25″ x 4.75″


Dimensions Sensor: 1.75″ x 1.5″