Request for Information/Sources Sought Notice for Providers/Suppliers for a Water Bath for Microcalorimeters Notice ID: NB672010-26-01981 Contract Opportunity Type Sources Sought Response Date: 7/16/2026 Product Service Code 6625—Electrical and Electronic Properties Measuring and Testing NAICS Code 334515 – Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals BACKGROUND This is a notice to request information from industry to help the U.S. Department of Commerce, National Institute of Standards and Technology (NIST) determine the availability and capability of small businesses and other than small businesses to provide water bath for microcalorimeters for the Boulder, CO NIST site. This notice is strictly to request information for market research purposes to help NIST determine the appropriate acquisition strategy for this requirement. This notice shall not be construed as a solicitation, an obligation, or commitment by the NIST. OVERVIEW The NIST, Guided Wave Electromagnetics group requires a temperature-controlled water bath for RF power calibrations. A water bath is an insulated tank that can be filled with water, and with the ability to regulate the temperature of the water through heaters and refrigeration. Water baths often have stirrers to improve temperature uniformity. See attached draft specifications document. ANTICIPATED PERIOD OF PERFORMANCE NIST anticipates that it will require delivery for a water bath for microcalorimeters that is similar to that in the draft specifications, 90 days after receipt of order. INFORMATION REQUESTED FROM INDUSTRY SOURCES : NIST invites industry sources to review this notice carefully and to familiarize themselves with the draft specifications document. Thereafter, by the closing date of this notice, NIST encourages those sources to submit responses to lia.arthofer@nist.gov. Do not include proprietary, classified, confidential, or sensitive information in a response to this notice. Responses should be submitted to contain the following, in Microsoft Word format or in .pdf format, use 12-point font, with a page limitation of ten pages (excluding cover page and excluding standard commercial pricing information) : Cover page, including: Sources Sought Notice number, title, and date of issuance Unique Entity ID Company name Company address Company website address Company points of contact and their phone number and email address Validation of company size status under NAICS: 334515 – Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals. See table of business size standards at https://www.sba.gov/document/support-table-size-standards for more information. Indicate whether your company has an active registration for procurement purposes in sam.gov. Provide any suggestions for NIST to consider for the draft specifications, with the goal of improving the draft specifications in a way that makes it clearer and as competitive as possible. …