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Continuous, Automatic Suspended Particulate Monitor


PM10, PM2.5 and PM1 fine dust concentration measurement in the range 0-10,000 μg/m3  according the ISO 10473 Standard. QAL 1 certified and US EPA approved.

The MP101M particulate analyzer uses the standard ISO 10473 beta gauge measurement method for the continuous measurement of the concentration of fine dust in ambient air. The instrument is certified equivalent to the reference method in accordance with the European standards EN 16450, EN12341 and EN 15267 for measuring PM10 and PM2.5 respectively EN 16450, EN14907 and US EPA approved for the continuous monitoring of PM10 or PM2.5.


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  • High accuracy, not influenced by the physicochemical nature, color or shape of particles
  • Fibreglass tape with 3 years of autonomy of continuous daily sampling
  • Rugged instrument, insensitive to vibration, humidity, temperature…
  • Built-in reference gauge for calibration: no need for factory recalibration
  • Sampling flow-rate continuously regulated to the atmospheric temperature and pressure: reduces evaporation artefacts of volatile compounds (mandatory for PM2.5 according to EU regulations)
  • Equipped with large, 7’’ colour touchscreen with animated, real-time display
  • Interchangeable sampling heads for PM10, PM2.5, PM1 and TSP
  • Smart, connected instrument with embedded web server for the easiest, full remote control and operation of the analyzer from any PC, tablet or smartphone (configuration, calibration, test, diagnostic parameters…)
  • Cost-saving analyzer with ultra low power consumption, 24 V supply (option) and able to withstand temperatures up to 45-50 °C without air conditioning
  • Can be installed in autonomous, solar or green energy powered air quality monitoring stations such as the Solar AQMS from ENVEA


  • Urban, industrial, background… air pollution monitoring networks
  • Mobile air quality monitoring laboratories
  • Roadside air quality monitoring, traffic pollution control
  • Ambient Air Pollution Hotspot Monitoring
  • Process leakage, fence line monitoring for industry
  • Air pollution Measurement Campaigns and Monitoring Studies
Measured parameterPM10, PM2.5, PM1, TSP
TechnologyBeta Ray Attenuation
US-EPA Approval / QAL 1 CertificationYES
Measurement rangesup to 10 000 μg/m3
Measurement unitsµg/m3
Lower Detectable Limit (2σ)0.5 μg/m3 (24h average)
Sample flow rate1 m³/h
Sampling pumpExternal (vacuum pump)
Temperature range0°C to 40°C
Data StorageInternal
Included I/OIncluded I/O
Weight (Kg)15.2 (without external pump)
Dimensions mm (LxWxH)360.5 x 483 x 266
Chassis19″ Rack, 6U
Pressure and temperature compensationYES

Technical Data

  • 24 V Power supply PLUS extended temperature range 0-50°C
  • OPM module for optical real-time indication (concentration, counting, classification by size range) of particles (see specific brochure)
  • US EPA and EU-CEN compliant sampling inlets
  • Temperature-regulated sampling tube (RST): 1 m, 1.5 m, 2 m, 2.75 m, compliant with CEN PM10 Directive
  • I/O Max 2 ESTEL electronic boards with:
    – 4 independent analog inputs / outputs
    – 4 remote control inputs
    – 6 dry contacts outputs
  • External pump assembly: diaphragm (9.4kg), rotary vane (4.6kg)
  • All-weather cabinet for outdoor use, with or without air conditioning
  • Easy to install span calibration module for automatic and programmable calibrations
  • Field connection kit for leak and zero test (on RST tube)
  • Laboratory connection kit for leak and zero test (on MP101)
  • Bead flowmeter for calibrating the sampling flow rate
  • HEPA filter for zero test

The dust monitor MP101M is certified equivalent to the reference method for particulate measurements in accordance with the EN12341:2014 European standard for PM10 and PM2.5 and US EPA for the continuous monitoring of PM10 or PM2.5.


STANDARD COMPLIANCE ISO 10473: 2000 & EN 15267 (QAL 1)

  • FOR PM10 :
    • US-EPA (EQPM-0404-151)
    • EN 12341:2014 ( TÜV )
    • EN 16450:2017 ( TÜV )
    • EN 12341 (I-CNR 087/2004, F-LCSQA)
    • European Standard EN 14907 JRC publication (equivalence demonstrated by LCSQA – Laboratoire Central de Surveillance de la Qualité de l’Air)
  • FOR PM2.5:
    • US-EPA (EQPM-1013-211)
    • EN 12341:2014 ( TÜV )
    • EN 16450:2017 ( TÜV )


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