Heat Flux Transducers

The USDA Forest Service is soliciting quotations for six specialized heat‑flux transducers to support fire‑research experiments at the Missoula Fire Sciences Laboratory. The requirement includes four larger (1‑inch diameter) water‑cooled radiant & total flux sensors and two smaller (1/8‑inch) radiant‑only sensors, all with sapphire windows, a measurement range up to 250 kW/m², and a body‑temperature tolerance of 205 °C. Delivery is FOB destination to Missoula, MT, with a final delivery deadline of 31 Mar 2027. The solicitation is a total small‑business set‑aside and follows FAR Part 12 RFQ procedures. • Quantity: 6 transducers (4 × large, 2 × small) • Technical specs: water‑cooled, sapphire‑window, Schmidt‑Boelter style, ≤ ±3 % non‑linearity, gas‑purge capable, smooth‑bodied, no flange • Deadline for questions: 4 Nov 2026 14:00 PT; quote submission deadline: 6 Nov 2026 14:00 PT • Delivery: FOB Destination, Missoula Fire Sciences Laboratory, MT 59808; must be delivered by 31 Mar 2027 with three‑business‑day notice.