The Department of Commerce, specifically the National Institute of Standards and Technology (NIST), is seeking sources for a Four-terminal Guarded Coaxial Scanner to enhance its capabilities in electrical resistance measurements. The procurement aims to automate the connection of four-terminal electrical resistance standards to measurement systems, ensuring high accuracy and minimizing electrical/thermal noise errors. This equipment is crucial for maintaining the integrity of resistance standards in the United States, with specifications that include remote programmability, guarded coaxial connections, and a minimum one-year warranty. Interested parties should respond to Cielo Ibarra at cielo.ibarra@nist.gov with their qualifications and relevant information by the specified deadline, as this notice serves as a sources sought announcement and does not constitute a commitment to award a contract.