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Approved PM monitor EDM 180

EDM 180
Approved PM monitor

This approved environmental dust monitor is the leading product for measuring particulate matter concentration (PM10, PM2.5) in ambient air. It is in service in government networks and institutions in over 30 countries. 


Functionality: Light scattering at single particles

  • Certificates and approvals: US-EPA, UK-MCERTS, CN-CMA; demonstration of equivalence in over 20 countries
  • Real-time monitoring of PM values (PM10, PM2.5, PM1) and particle number in 31 size channels
  • Fully automatic monitoring system with remote access
  • Extremely energy-efficient, low maintenance, no consumables
  • No loss of semi-volatile compounds
  • No radioactive source, insensitive to vibrations (applicable also in vehicles)
  • Versatile data acquisition and communication (GSM data logger)
  • Self-test of all optical and pneumatic components for high quality standards
  • Purge air for protecting laser and detector in optical cell
  • Temperature and relative humidity sensors
  • Total inlet flow analyzed in optical cell
  • Excellent counting statistics and reproducibility at low and high dust concentrations
  • AMS for PM networks
  • PM monitoring
  • Epidemiological studies
  • Monitoring of construction and mining sites
  • Technical data
Measured mass fractionsPM10, PM2.5, PM1
Particle size range0.25 … 32 μm
Size channels31
Particle number concentration0 … 3,000,000 particles/l
Reproducibility> 97% of total measuring range
Detection principleLight scattering at single particles with diode laserDetection volume aerodynamically focused, no border zone error
Optical cellDiode laser 660 nm
DetectorFast signal processing2x 16 raw data channels
Time resolution6 s (selectable storage intervals: 6 s, 1 min, 5 min, 10 min, 15 min, 30 min, 1 h)
Sample flow rate1.2 l/min, ±3% constant due to self-regulation
Internal purge air0.4 l/minProtection of laser opticsReference air for self-test
Sampling inletIsothermal humidity extraction via Nafion membraneSensor-controlledWithout loss of semi-volatile compounds (SVC)
OperationKeypad, data logger or PC with GRIMM software or HyperTerminal
InterfacesUSB, Ethernet, RS-232 (GESYTEC)
Analog input1 port (0 … 10 V) for auxiliary sensors
Power supplyIn: 230 V/50 HzOptional 115 V/60 Hz
Power consumption18 W standard104 W with Nafion dryer116 W maximum Imax: 1.4 A
Temperature range-20 … +50 °C (-4 … 122 °F), non-condensing
Absolute pressure range900 … 1,100 mbarAdjustable sample flow rate at high altitudes over 2,000 m
Weather protection housingModel 199, stand-alone, fully air-conditioned, providing space for EDM 180 and other 19″ rack instruments (see accessories)
Dimensions26.6 x 48.3 x 36.4 cm (10.5 x 19 x 14.3 in) without sampling inlet (19″ rack, 4 HU, extra 2 HU for rack adapter)
Weight18 kg (39.7 lbs) without rack adapter and sampling pipe
  • Certificates and approvals: US-EPA, UK-MCERTS, CN-CMA
  • Demonstration of equivalence in over 20 countries
  • Real-time monitoring of PM values (PM10, PM2.5, PM1) and particle number
  • "Full flow analysis" of the entire sample volume
  • Mandatory
  • Optional
EDM 180 consists of the 19-inch measuring device, a 19-inch attachment, the sampling probe and the meteorological sensor. It is offered with all necessary accessories, but can be configured by the customer (firmware, meteorological sensor etc.).
199: Fully air-conditioned weather protection housing
1178: Advanced GRIMM software for EDM180
1146: GPS sensor
158-TRH Kit: Temperature and relative humidity sensor, with 3.5 meter cable and rain protection housing
180DL: Data logger for our measurement equipment including the capability to transmit all data live via GSM onto a password-protected platform
157L: Sensor for humidity, temperature and air pressure
158L: Sensor for humidity, temperature, air pressure, wind speed and direction; requires data logger
159L: Sensor for humidity, temperature, air pressure, wind speed and direction, and precipitation; requires data logger