Unipolar Diffusion Aerosol Charger

The National Institute of Standards and Technology (NIST) Chemical Sciences Division is seeking a sole‑source acquisition of a Unipolar Diffusion Aerosol Charger from Cambustion Ltd., the only vendor capable of meeting the technical requirements for its Grand Challenge Project. This equipment will enable precise charging of aerosol particles for advanced metrology and chemical analysis. NIST is inviting interested parties to submit a response by the stated deadline, though the procurement will be negotiated solely with the identified vendor. • Equipment: Unipolar Diffusion Aerosol Charger (analytical laboratory instrument) • Vendor: Cambustion Ltd., United Kingdom (sole source) • NAICS: 334516 – Analytical Laboratory Instrument Manufacturing • Response deadline: 1:00 AM EST, 09/18/2026 • No formal solicitation package; responses are for government consideration only • Primary contact: Erik Frycklund (email provided) • Procurement type: Sole source under FAR Part 12.102(b)