Heat Flux Transducers

The Department of Agriculture Forest Service seeks supply and delivery of six heat flux transducers for fire research applications, with quotations due November 6, 2026, at 2:00 PM Pacific Time and questions due November 4. This is a Total Small Business Set-Aside under NAICS code 334519 with a 600-employee size standard; all responsible sources may submit quotations.

Place of performance is Missoula, Montana, with delivery to the Missoula Fire Sciences Laboratory by March 31, 2027. The requirement comprises two line items: four water-cooled radiant and total heat flux transducers in 1-inch (25.4 mm) diameter with smooth-bodied configuration, sapphire windows, and Schmidt-Boelter style design; and two water-cooled radiant-only heat flux transducers in 1/8-inch (3.175 mm) diameter with sapphire windows and Schmidt-Boelter style design. Both types must meet a measurement range up to approximately 250 kW/m² with body temperature tolerance up to 205°C, linear output within 3% nonlinearity, and gas-purge capability.

A firm-fixed price purchase order will be awarded to a single offeror. Prices must be held firm for 90 calendar days. Delivery is FOB Destination with three business days' advance notice required; deliveries are accepted Monday–Friday, 0800–1600, except federal holidays. This is a combined synopsis and solicitation for commercial items under FAR Part 12; this announcement constitutes the only solicitation, and no separate written solicitation will be issued. Evaluation criteria include technical acceptability, price fairness and reasonableness per FAR 12.204, and past performance. Standard FAR and AGAR clauses apply, including Buy American provisions and sustainable products requirements. Quotations should be submitted to karen.weaver@usda.gov.