MODEL EDM665
The Outdoor Wide Range Aerosol Spectrometer
Nano Meets Enviro - A Continuous & Weather-Protected Wide Range System
The EDM 665 Environmental Wide Range Aerosol Spectrometer combines two technologies for particle counting and classifying in one device: the Scanning Mobility Particle Sizer (SMPS+C) with the butanol condensation particle counter for nanoparticles and the approved EDM 180 for the larger fraction.
Designed and specifically built for atmospheric monitoring, the EDM 665 is a unique high-tech system for accurate and highly resolved measurements over the entire particle size range from 5 nm to 32 μmin 31 size channels for EDM 180 and user-selectable number of channels for SMPS+C (e.g. 64 per decade).
The system requires low maintenance, and can be transported and deployed in the field for short and long-term atmospheric monitoring projects. This configuration places the EDM 665 in the leading position of the atmospheric particle monitoring systems.
Overview
- real-time monitoring of the entire particle size range, fully automatic 24/7 monitoring system
- low maintenance, 30 days unattended operation, remote access
- energy-efficient, sampling with isothermal drying system
- high precision with CPC and OPC at low and high concentrations
- excellent counting statistics and reproducibility
- low diffusion losses
- versatile data acquisition and communication (data logger with GSM via internet)
- self-test of all optical and pneumatic components for high quality standards
- meteorological sensors for wind speed and direction, precipitation, pressure, temperature and relative humidity
- instrument parameters secured against data loss
Applications
- atmospheric monitoring of ultrafine particles and dust
- source identification
- atmospheric science
- traffic emission monitoring
TECHNICAL DATA
SMPS+C | |
| measurement principle | electrostatic classification with subsequent detection by condensational growth |
| particle size range | selectable M - DMA 5 – 350 nm L - DMA 10 - 1094 nm |
| minimum scan time | 150 s |
max. concentration single count mode | 150 000 p/cm3 |
max. concentration photometric mode | 107 p/cm3 |
| reproducibility | > 95% for single count mode > 90% for photometric mode |
| working fluid | n-butanol (n-butyl alcohol) |
Optical Aerosol Spectrometer | |
| measurement principle | light scattering at single particles; detection volume aerodynamically focused, no border zone error |
| particle size range | 0.25 μm - 32 μm |
| concentration range | 1 – 3 000 000 p/L |
| reproducibility | > 97% for single particle count mode |
| sampling and conditioning | 1 m sampling pipe with sampling head, isothermal humidity extraction via Nafion membrane, sensorcontrolled, without loss of semi-volatile compounds (SVC) |
| weather housing | stainless steel, powder-coated, air-conditioned |
| climate sensors | wind speed and direction, precipitation, pressure, temperature relative humidity; GPS positioning |
| total flow rate | 1.5 L/min, ≤ 5% difference to the nominal flow rate |
| sample air flow rate SMPS+C | 0.3 L/min CPC, flow control with critical orifice, temperature stabilized |
| sample air flow rate EDM180 | 1.2 L/min aerosol spectrometer, ± 3% constant due to self-regulation |
operation | data logger and netbook integrated in housing for online data, meteorological sensor and GPS position |
interfaces | data logger, USB, GSM with SIM card for mobile network |
power supply | 230 VAC, 60 Hz |
| power consumption | 750 W |
temperature range | -20 to +55°C (-4 to 131°F), RH < 95% |
| pressure range | SMPS+C: 600 – 1100 mbar, optical aerosol spectrometer: 900 - 1100 mbar; flow rate adjustable to pressure |
| dimensions (h x w x d) | housing: 107 x 65 x 224 cm (42.1 x 25.6 x 88.2 in) total height with meteorological sensor: 270 cm (106.3 in) |
| weight | 250 kg (551 lbs) |
Accessories
1146
|
GPS sensor
|
157L | sensor for temperature, relative humidity, and barometric pressure |
158L | sensor for temperature, relative humidity, barometric pressure, wind speed, and wind velocity |
159L | sensor for temperature, relative humidity, barometric pressure, wind speed, wind velocity, and precipitation |
180DL | Data logger for our measurement equipment including the capability to transmit all data live via GSM onto a password-protected platform |
SOFTWARE
GRIMM developed a powerful software to visualize, process, and import as well as export your valuable measurement data.
This easy-to-use program is compatible to Windows XP and all later versions.
Please contact us for your for free trial version if you already own a GRIMM measurement device or more information if you are in the process of finding your measurement solution.