- Model MP101M with OPM (Optical Particulate Monitor) - Automatic & Real-Time Particulate Monitor


Hybrid monitor utilizing ISO 10473 SRM Method & optical technology for Automatic & Real-Time measurement of PM10, PM2.5 and PM1 fine dust. The standard Beta gauge measurement Method ISO 10473 of the MP101M analyzer allows, when used with the patented optical technology of the OPM module, the continuous and simultaneous measurement of fine dust. Combination of both technologies provide a real-time indication of particles for PM10, PM2.5 and PM1 simultaneously. It offers high accuracy, with measumenet un-influenced by the physicochemical nature, color or shape of particles. The Optical OPM module allow for evaluation in real time of several particulate size fractions.

The beta attenuation instrument is compliant with EN 12341 for PM10 and EN 14907 for PM2.5 European Standards and is approved as Federal Equivalent Method (FEM) by US EPA for PM10 and PM2.5 continuous suspended particulate monitoring.

  • True volumetric air flow control with 3 atmospheric pressure and temperature sensors
  • 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)
  • Automatic calibration of the real time optical module (OPM) to the reference measurement (ß gauge)
  • Flow calibration possible during the measurement
  • Built-in reference gauge for calibration: no need for factory re-calibration
  • Calibration screen for atmospheric pressure sensors
  • Regulated Sampling Tube (RST) compliant with CEN PM10 and US-EPA standard: sample not affected by seasonal or geographical factors and avoids evaporative losses of semi-volatile particles
  • Fibreglass tape with 3 years of autonomy of continuous sampling with daily cycles (1200 cycles)
  • Low activity C14 sealed flat source with analyzer lifetime duration
  • Rugged instrument, not sensitive to vibration, humidity, temperature…
  • New: On board web server compatible with any internet browser. ENVEA Connect™ user interface with on-line help for the display, configuration, maintenance, diagnostics or software updating of the analyser, remotely, from any PC, tablet or smartphone.

  • Ambient air quality monitoring stations, mobile laboratories
  • Standalone air pollution monitoring stations, air conditioning free, supplied by green energy (solar panels, windmill, fuel cells, etc)
  • Indoor dust monitoring
  • Working places

MP101M Technical specifications
Measured parameter: PM10, PM2.5, PM1, TSP
Technology: Beta Ray Attenuation
US-EPA Approval / QAL 1 Certification: YES
Measurement ranges: up to 10 000 μg/m3
Measurement units: µg/m3
Lower Detectable Limit (2σ): 0.5 μg/m3 (24h average)
Sample flow rate: 1 m³/h
Sampling pump: External (vacuum pump)
Temperature range: +5°C to 40°C
Data storage: Unlimited
Weight (Kg): 15.2 (+pump: Picolino 4.6Kg / KNF 9.4Kg)
Dimensions mm (LxWxH): 360.5 x 483 x 266
Chassis: 19″ Rack, 3U
Pressure and temperature compensation: YES

OPM Technical specifications
Technology: Light scattering (*)
Max. concentration: 1000 μg/m3
Range of size:  0.3-10 μm
Lower detection limit: 1 μg/m3
Temporal resolution: 1 second
Dimensions (WxDxH): 230 x 370 x 200 mm
Flow: 2.5 L/min
(*) Light scattering technologies applied to particle mass concentration measure can be affected by aerosols chemical composition and atmospheric conditions & should be subject to operator interpretation.

  • OPM module for optical real-time measurement
  • 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
  • Max 2 ESTEL electronic boards with:
    – 4 independent analog inputs / outputs
    – 4 remote control inputs
    – 6 dry contacts outputs
  • External pump assembly: diaphragm (9.5kg), rotary vane (7kg)
  • 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 MP101M)
  • Bead flowmeter for leak test
  • HEPA filter for zero test

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