# SAM #1240BE27Q0015
USDA Forest Service seeks six heat flux transducers for fire research
**Buyer:** USFS Northwest Region CSA 3
**Posted:** October 22, 2026
**Respond By:** November 06, 2026
**Identifier:** 1240BE27Q0015
**NAICS:** 423490, 334519
The USDA Forest Service is seeking six specialized heat flux transducers for fire research at its Missoula Fire Sciences Laboratory.
- **Government buyer:** U.S. Department of Agriculture (USDA), Forest Service; USDA-FS, CSA Northwest 3; Missoula Fire Sciences Laboratory.
- **Requested equipment:** Four 1-inch (25.4 mm) water-cooled Schmidt-Boelter transducers measuring radiant and total heat flux, plus two 1/8-inch (3.175 mm) water-cooled radiant-only transducers. No part numbers are provided.
- **Key requirements:** Sapphire windows; measurement range up to 250 kW/m²; body temperature tolerance up to 205°C; maximum 3% nonlinearity; and gas-purge capability where possible. The 1-inch units must have smooth bodies without flanges.
- **OEMs and vendors:** No manufacturer, OEM, or vendor is named in the opportunity.
- **Delivery and term:** One-time equipment purchase with delivery requested as soon as possible; fulfillment may take up to six months. No ongoing service or subscription term is specified.
- **Other procurement detail:** The opportunity is set aside for small businesses.
### Description
Supply and Deliver six (6) heat flux transducers for fire research applications, including water‑cooled radiant and total flux sensors meeting the specifications in the attached Statement of Work.
This is a combined synopsis/solicitation for commercial items prepared in accordance with the format in FAR Part 12. This announcement constitutes the only solicitation. Quotations are being requested and a separate written solicitation will not be issued.
Solicitation number 1240BE27Q0015 is issued as a Request for Quotation (RFQ) for heat flux transducers used in fire research.
This acquisition is set-aside for small business concerns. The applicable North American Industry Classification Standard Code is 334519 The small business size standard is 600 employees. This acquisition is a Total Small Business Set-Aside. All responsible sources may submit a quotation which will be considered by the agency.
[View original listing](https://sam.gov/opp/125650af0aa547a2ae848f5aebb8a9a8/view)