Metrology-grade Chilled Mirror Dew Point Hygrometers

The National Institute of Standards and Technology (NIST), under the U.S. Department of Commerce, is soliciting two metrology-grade chilled mirror dew point hygrometers to enhance precision in laboratory measurements for national mass calibration standards. The equipment must meet stringent technical specifications including dew point accuracy of ±0.1°C, temperature accuracy of ±0.07°C, and reproducibility of ±0.05°C across both parameters, with a measurement range of –60°C to +20°C dew point and 0.1% to 100% relative humidity. Units must be new, shipped in original manufacturer packaging, and include all software and documentation; used, remanufactured, or gray-market items are prohibited. Delivery is required FOB destination to NIST’s Gaithersburg, Maryland facility within six to twenty weeks after receipt of order, with inspection and acceptance conducted onsite by NIST technical personnel based on verification of performance, physical dimensions, power requirements, and operational features such as RS-232 interface, PTFE sample circuit, and 3-stage thermoelectric cooling. Quotations must be submitted as firm-fixed-price offers in four electronic volumes: Technical Quotation demonstrating compliance with all technical requirements, Demonstrated Experience detailing three or more recent projects involving materially similar sputter coater systems, Price Quotation submitted separately via email, and Terms and Conditions acknowledging all solicitation provisions. Offerors are required to comply with FAR clauses 52.212-1, 52.212-3, 52.212-4, and 52.212-5, and must certify adherence to security requirements under FAR 52.204-25 and FAR 52.240-91, including avoidance of covered telecommunications equipment from prohibited entities. Noncompliance must be disclosed within 72 hours. The award will be made on a best-value trade-off basis, prioritizing technical capability and demonstrated experience over price, with no discussions anticipated. All submissions must be sent electronically to [email hidden] and [email hidden] by August 11, 2026, referencing solicitation number 1333ND26QNB680396, and must include the UEI and CAGE code. Invoices must be processed through the U.S. Treasury’s Invoice Processing Platform or directly to INVOICE@