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Brechtel Access

Brechtel ACCESS - UAV Aerosol Research Tool

The ACCESS suite of instruments is an ideal measurement solution for applications like Unmanned Aerial Vehicles (UAV) requiring small size, portability, low weight, and low power usage. ACCESS includes four miniaturized measurement modules that can fit on a single UAV: a small Mixing Condensation Particle Counter (MCPC) for real-time total number concentration observations, an Optical Particle Counter (OPC) for number size distribution measurements between 0.1 and 10 μm, a Single-channel Tricolor Absorption Photometer (S-TAP) for light absorption and black carbon measurements, and an eight-channel filter sampler for off-line chemical composition measurements.  Each device fits in the palm of your hand, and together the set of measurements only takes up the volume of a shoe box, weighs less than 10 lbs and uses only 60 watts of power. The small size and weight make the devices easy to deploy on a UAV. 

PARAMETER VALUE
Mixing Condensation Particle Counter (MCPC)
D50 7.0 nm
Maximum concentration 100,000 cm-3
Sample flow 0.36 or 0.72 lpm
Response time 180 milliseconds
Background <0.001 cm-3
Fluid use 1.9 ml/hr (Butanol)
Data output RS-232
Operating pressure 0.2-1.0 atm
Size 8"L x 5.8"W x 5.3"H
Optical Particle Counter (OPC, Release in 2015)
Wavelength 624 nm
Diameter size range 0.1-10 μm
Concentration range 0-5,000 cm-3
Sample flow 0.06 or 0.6 lpm
Sheath flow 2 lpm
Size 7.5"L x 2.2"W x 3.5"H
Multi-Channel Chemical Sampler (CHEM)
Number of channels 8
Sample flow 3 lpm
Size 3"DIA x 2"H
Single-channel TAP
Wavelengths 450, 525, 624 nm
Sample flow 0.1 to 1.7 lpm
Noise level (1 sigma) +/- 0.1 Mm-1
Filter Quartz fiber
Size 2.6"H x 2.2"DIA
ACCESS Suite
Overall weight 9.5 lbs
Power 60 watts
Size 8"W x 10"L x 6"H
 
I want to measure Nano Particles,Particle Number [Pn],Aerosols
Products Multi Parameter Monitors,Particle Monitors,Aerosol Research
Applications Aerosol Research,Outdoor Air Quality

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