Aerosol Counting, Composition, Extinction and Sizing System (ACCESS) Line of Portable Instruments

Model 9400 Series Modules

The ACCESS (Aerosol Counting, Composition, Extinction and Sizing System) suite of instruments is an ideal measurement solution for applications like Unmanned Aerial Vehicles (UAV), personal exposure monitoring and other mobile platforms requiring small size, portability, low weight, and low power usage. The ACCESS line includes multiple miniaturized modules that can be deployed either individually or together as a measurement suite. The Base Module (Model 9400) provides a compact, ruggedized tablet PC with user interface software to control and communicate with multiple modules simultaneously.

Examples of some of the devices in the ACCESS line include: a small Mixing Condensation Particle Counter (Model 9403 aMCPC) for rapid total number concentration observations, a miniaturized Optical Particle Counter (Model 9405 mOPC) for number size distribution measurements between 0.15 and 10 μm, a Single-channel Tricolor Absorption Photometer (Model 9406 STAP) for light absorption and black carbon measurements, and an eight-channel filter sampler (Model 9401 FILT) for off-line chemical composition measurements. Select the links on this page to learn more about each module.

Each of the ACCESS devices fits in the palm of your hand, with typical dimensions between 2 and 6 inches (5-15 cm) and weights between 0.4 and 0.9 lb (0.2-0.4 kg). The small size and weight make the devices easy to deploy on a UAV, balloon platform, or even inside a backpack. Check back with us regularly as new measurement modules are being added!

Click below to view a video created by NOAA showing the first Arctic deployment of ACCESS.

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