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GRIMM Mini‐LAS 11-E Environmental Dust Monitor
Brand: Durag
The Mini Laser Aerosol Spectrometer (Mini‐LAS) 11‐E based on the laser scattering light method, we reliably count every single particle in a wide size range from 0.25 to 32 µm and classify them into 31 separate size channels.
This patented method guarantees a precise assignment of particles according to their size, and thus the single PM mass fractions can be accurately calculated.
Data storage and retrieving of the mass specific PM10, PM2.5 and PM1 values and (optionally) the particle size distribution in 31 size channels is done in real‐time advanced data communication interfaces.
Features- The efficiency of the device meets the standards PM10 (EN12341) and PM2.5 (EN14907), the US EPA, the Russian GOST and the Chinese requirements.
- Simultaneous display and output of measurement data of all PM dust mass fractions every minute
- Particle size distribution in 31 size channels (optional)
- Advanced data communication interfaces (SD‐card, USB, Bluetooth and Ethernet)
- Small, portable, tough, battery powered and remote controllable via Bluetooth
- Integrated, removable 47 mm PTFE‐filter for subsequent gravimetrical and chemical analysis (dual technology)
- Self‐test at each start‐up
- Permanent rinsing air for keeping the optical measurement cell clean
Specifications
Brand
Approvals & Certifications
- EN 12341, EN 14907
Approvals & Certifications
- EPA
- GOST-R
Communication
- Bluetooth
- Ethernet
- RS-232
- USB
Display
- LCD - 2 x 16 Alphanumerical Character
Flow Rate
- Rinsing Flow: 0.64 scfh (0.3 L/minute)
- Sample Flow (Volume): 2.54 scfh (1.2 L/minute) ± 5 % Automatically Regulated
Humidity
- Operating Temperature, Storage & Transport: < 95 % Relative Humidity (Non-Condensing), Non-Corrosive or Explosive Gases
Input
- Analog Input: 3 (0-10 V) Signals
Interval Time
- Measuring Interval: 1 second, 15-Channels
- Measuring Interval: 6 seconds, 31-Channels
- Storage Intervals: from 6 seconds to 60 minutes, Adjustable
Length
- Operation Altitude: 6,562 feet (2,000 metres) - Max.
Materials of Construction
- Sample Collection: 47 mm PTFE-Filter, Removable
Measuring Range
- Fine Dust Analysis: 0.25 to > 32 µm
- Particle Mass: 0.1 to 10,000 µg/m³
Operating Temperature
- 4° to 40° C (39° to 104° F)
Power
- 0.5 / 30 mW Nominal
- 40 mW, Max.
Power Requirement
- Power Supply: Battery 12 V / 2.3 Ah for Continuous Operation up to 8 Hours with Internal Charger
Pressure Range
- Sample Air - psi: 14.6 (kPa: 101.3, bar: 1.013)
Reproducibility
- ± 3 % over the Total Measuring Range
Resolution
- Analog Input: 10-bits
Storage Temperature
- Storage & Transport: -20° to 50° C (-4° to 122° F)
Supply Voltage
- Power Adapter: 18-24 Vdc
- Power Adapter: 95-250 Vac, 47 to 63 Hz, Max.