small-volume gas pycnometer

The National Institute of Standards and Technology seeks to procure one small-volume gas pycnometer with vacuum sample preparation capability, with quotations due September 3, 2026 at 1:00 PM ET. This is a 100% small business set-aside under the Women-Owned Small Business program, and resellers may furnish compliant products manufactured by companies exceeding the 1,250-employee size standard.

Delivery is required within 30 days of award to NIST's Shipping and Receiving facility in Gaithersburg, Maryland. The instrument must include automated gas displacement, built-in vacuum sample preparation mode, Peltier thermoelectric temperature control (3°C to 60°C with 0.05°C stability), bi-directional gas expansion capability, dual reference chambers, sample cells ranging from 0.1 cm³ to 10 cm³, 0.075% accuracy, self-aligning lid closure system, touchscreen interface, customizable method library, and multiple sample preparation modes. A minimum three-year warranty covering the instrument and non-consumable components is required, provided directly by the original equipment manufacturer. The compatible two-stage gas regulator has no specified connection or pressure requirements. No installation, commissioning, calibration, or user training is required. An operations manual must be provided.

This is a Request for Quotation conducted via GSA Schedules simplified acquisition. The NAICS code is 334516, Analytical Laboratory Instrument Manufacturing; PSC is 6640, Laboratory Equipment and Supplies. Award will be made to the responsible quoter submitting the lowest technically acceptable quotation. Technical acceptability is evaluated based on documented ability to meet minimum specifications, with price as a secondary factor. Payment follows the Prompt Payment Act, with invoices submitted electronically to INVOICE@NIST.GOV.