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***THIS IS A COMBINED SOURCES SOUGHT NOTICE AND NOTICE OF INTENT TO SOLE SOURCE*** The purpose of this sources sought notice is to conduct market research and identify potential sources of commercial products/services that satisfy the Government's anticipated needs. If no alternate sources are identified the Government intends to issue a Sole Source Award to Cryomagnetics, Inc., 1006 Alvin Weinberg Dr, Oak Ridge, TN, 37830 US, using Revolutionary FAR Overhaul (RFO) 12.201-1 procedures under the authority of 41 U.S.C. 1901. The North American Industry Classification System (NAICS) code for this acquisition is 334516, Analytical Laboratory Instrument Manufacturing. The Natinal Inistitute of Standars and Technology (NIST) Physical Measurement Laboratory (PML) requires an integrated superconducting magnet power system to replace a failed power supply and energize the Cryomagnetics superconducting magnet in the PML ultra-low-temperature scanning probe facility. The superconducting magnet is used for mission-critical experiments in metrology for quantum information science and electrical standards dissemination. The superconducting magnet power system must be the Cryomagnetics model number 4G-200s for an exact replacement of the current model. The required power system energizes a superconducting magnet, which operates with a dilution refrigerator to produce high magnetic fields at ultra-low temperatures. The replacement for this power supply must be the exact model of the existing Cryomagnetics 4G-200s power supply used with our dilution refrigerators, so that it has the same footprint and connections, and can be interchanged with the existing model to keep critical experiments running at ultra-low temperatures. NIST is seeking information from sources that may be capable of providing a solution that meets all the minimum required technical specifications below: Replica of the existing Cryomagnetics 4G-200s power supply Single output model with output current up to ± 200 amperes (± 10 volts up to ± 165 amperes, ± 8 volts at 200 amperes). 4-quadrant, true bipolar systems featuring smooth sweeps through zero. Automatic quench detection and protection. A full color, backlit TFT liquid crystal display clearly indicates output current, voltage, limit settings, and system status. Five (5) programmable sweep rate ranges. Safety interlocks for persistent switch enable/disable and changing of important magnet parameters and limits. Visual confirmation of current present in leads will alert users to be mindful of safety when operating the power supply, even if line power is off. Display Resolution: 0.1 mA, 1 mV. Output Current Setability: 0.1 mA. Sweep Rate Resolution: 0.1 mA/sec. Persistent Switch Heater 0-125mA 0-12V. AC Input: 220-230V a.c., 50-60 Hz, 10A max. Ethernet: IEEE-802.3 10/100 BASE-T. Shut-down Input: +5V, +24V, or switch closure signaling Programmable and compatible with existing NIST developed LabView code for Cr…

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