TSI Fluidized Bed Aerosol Generator 3400A

NASA Shared Services Center has issued a Special Notice for the sole source acquisition of a TSI Fluidized Bed Aerosol Generator 3400A from TSI Incorporated under FAR 13.106-1(b)(1)(i) authority. The procurement is classified under NAICS code 334519 for Other Measuring and Controlling Device Manufacturing and will be performed at NASA Langley Research Center. NASA has determined that TSI Incorporated is the sole provider of this specialized equipment, which is required to support lunar and Martian space exploration research. The government intends to acquire this commercial item using FAR Part 12 and Part 13 provisions and procedures. The Special Notice was posted on July 28, 2025, with a response deadline of July 30, 2025.

The primary objective of this procurement is to obtain a fluidized bed particle generator capable of producing particles between 0.5 to 40 microns for optical particle sizing methods in support of plume surface interaction and ejecta studies through NASA's SCALPSS photogrammetry system. Interested organizations must submit their capabilities and qualifications in writing to the designated points of contact by 1:00 p.m. Central Standard Time on July 30, 2025, with oral communications explicitly not acceptable. The government will evaluate submitted capabilities solely to determine whether to conduct the procurement on a competitive basis, though the final decision remains at the government's discretion. Key technical requirements include specific output concentration ranges, powder feed rates, carrier gas flow specifications, and compact dimensional constraints. The system must include a 12-month warranty and be delivered within 6 weeks of order receipt, with TSI Inc. building and shipping the equipment directly to NASA Langley Research Center.