Overview of the GRIMM EDM 180 Ambient Dust Monitor

Greensense VN is the official distributor of high-quality environmental monitoring equipment from GRIMM Aerosol Technik (Germany). Among outdoor particulate matter monitoring solutions, the GRIMM EDM 180 is widely trusted worldwide thanks to its high accuracy, continuous operation capability, and reliable real-time data. The instrument is suitable for deployment at environmental monitoring stations, construction sites, industrial zones, and scientific research applications in Vietnam.

GRIMM EDM 180 Ambient Dust Monitor

Key Features

Real-time monitoring of PM values: PM10, PM2.5, PM1
Particle counting across 31 size channels within the 0.25 … 32 μm range
Fully automatic operation with remote access and monitoring support
Extremely energy-efficient, no consumables, and low maintenance
No loss of semi-volatile compounds (SVC), ensuring more accurate measurements
No radioactive source, safe and environmentally friendly for operators
Insensitive to vibrations, suitable for areas with traffic or heavy machinery
Flexible data collection and transmission via GSM data logger
Automatic self-check of all optical and pneumatic components to ensure high data quality
Filtered airflow protects the laser and detector inside the optical cell
Integrated temperature and relative humidity sensors
Total inlet flow analyzed directly within the optical cell
Excellent counting statistics and reproducibility at both low and high dust concentrations

GRIMM EDM 180 Environmental Dust Measurement Device

Applications

AMS – PM monitoring networks
Ambient air particulate monitoring
Epidemiological research
Monitoring at construction sites, mining areas, and industrial zones

Technical Specifications

Measured mass fractions: PM10, PM2.5, PM1
Particle size range: 0.25 … 32 μm
Number of size channels: 31
Particle number concentration: 0 … 3,000,000 particles/L
Reproducibility: > 97% of full measurement range
Detection principle: Light scattering by individual particles using a laser diode
Measurement characteristic: Aerodynamic mass concentration detection with no border-zone error
Optical cell: 660 nm laser diode
Detector: Fast signal processing, 2 × 16 raw data channels

Data & Operation

Time resolution: 6 seconds
Storage intervals: 6 seconds, 1 minute, 5 minutes, 10 minutes, 15 minutes, 30 minutes, 1 hour
Sample flow rate: 1.2 L/min, ±3% (self-regulating)
Internal purified air flow: 0.4 L/min
Optical protection: Filtered airflow protecting the laser
Reference air: Used for self-check
Sampling inlet: Isothermal humidity extraction via Nafion membrane
Sensor-controlled operation
No loss of semi-volatile compounds (SVC)

Operation & Connectivity

Control via: Keypad, data logger, or PC (GRIMM software or HyperTerminal)
Interfaces: USB, Ethernet, RS-232 (GESYTEC)
Analog input: 1 port (0 … 10 V) for auxiliary sensors

Power Supply & Energy Consumption

Power supply: 230 V / 50 Hz; optional 115 V / 60 Hz
Power consumption:
- Standard: 18 W
- With Nafion dryer: 104 W
- Maximum: 116 W
Maximum current: 1.4 A

Environmental Conditions

Temperature range: –20 … +50 °C (non-condensing)
Absolute pressure range: 900 … 1,100 mbar
Note: Sample flow rate can be adjusted at altitudes above 2,000 m

Dimensions – Weight – Installation

Weatherproof enclosure: Model 199, standalone, fully air-conditioned; suitable for EDM 180 and other 19-inch devices
Dimensions: 26.6 × 48.3 × 36.4 cm (without sampling inlet; 19-inch, 4 HU, plus 2 HU for adapter)
Weight: 18 kg (excluding rack adapter and sampling tube)

Reasons to Choose GRIMM EDM 180 at Greensense VN

Official GRIMM distributor in Vietnam
Easy data integration into national and local environmental monitoring systems
Fast and professional technical support