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TRAPS is an 8-position, lightweight, miniature aerosol filter sampler. It is based on the TRAPS instrument described in Creamean et al. (2018). TRAPS has been deployed in aerial experiments and in remote autonomous field sampling campaigns.
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Detailed Specs
- Fully user-configurable for UTC start time, delayed start from power on, independent sample periods, delays between samples, and power loss recovery, the TRAPS autonomously collects aerosol samples sequentially onto 8 separate time-resolved filter media for off-line analyses.
- During sampling, Julian time, temperature, instantaneous flow, integrated flow, sample time, and power outage tracking are recorded in intervals set by the user.
- Operation is built to be simple, with all instrument operation and configurability performed via a microSD card.
Dimensions: 133.35 x 101.60 x 203.20 mm.
Weight: 1.0 kg
Input Power: 12 VDC (battery or power supply), 0.6 A
Unimpeded flow rate: 4.2 LPM
Maximum pressure of the pump: 150 KPA
References:
Creamean, J. M., Primm, K. M, Tolbert, M. A., Hall, E. G., Wendell, J., Jordan, A., Sheridan, P. J., Smith, J., and Schnell, R. C., HOVERCAT: a novel aerial system for evaluation of aerosol–cloud interactions, Atmos. Meas. Tech., 11, 3969–3985, 2018.
