Sources Sought Notice - Metrology-grade Chilled Mirror Dew Point Hygrometers
Closed Pre-Solicitation Posted
This opportunity was awarded. See the award notice from , or the latest solicitation from .
- Solicitation number
- NIST-SS26-137
- Agency
-
National Institute of Standards and Technology
Department of Commerce
- Responses due
- Set-aside
- No set-aside
Opportunity facts
- NAICS code
- 334516 Analytical Laboratory Instrument Manufacturing
- PSC
- 6640 Laboratory Equipment And Supplies
- Place of performance
- Gaithersburg, Maryland 20899, United States
- Points of contact
Notice details come from SAM.gov. Updated .
About this opportunity
The National Institute of Standards and Technology (NIST) Mass and Force Group is conducting market research via sources sought notice for metrology-grade chilled mirror dew point hygrometers, with responses due by June 5, 2026.
NIST seeks commercial equipment comparable to the RH Systems Dew Point Mirror 973 model to improve uncertainty monitoring in laboratory environmental conditions supporting top-tier mass calibrations and U.S. competitiveness in international metrology. The required benchtop hygrometer must meet extensive technical specifications including dew point range of −60°C to 20°C, relative humidity range of 0.1% to 100%, frost/dew point accuracy of 0.1°C, temperature accuracy of 0.07°C, 3-stage thermoelectric mirror cooling with 80°C depression, external PRT-100 temperature sensor, Active-Matrix color LCD display, RS-232 I/O communication, Swagelok ⅜" gas coupling, sample gas flow rate of 0.2–1.0 L/min with PTFE circuit and 2 bar maximum pressure, air cooling, operation/storage range of −10°C to +40°C, 100–240 VAC at 50/60 Hz, 200-watt power consumption, dimensions of 440 mm × 155 mm × 410 mm, and approximate weight of 12 kg.
Responses must not exceed 25 pages and include company information, SAM.gov registration details, product specifications, manufacturer or authorized reseller status, performance capabilities, customization possibilities, any unmet specifications with justifications, U.S. manufacturing status, NAICS code classification, available services (installation, training, maintenance), standard terms and conditions, pricing, availability on existing federal contracts, customer references, and manufacturing location change plans.
This is market research only with no commitment to issue a solicitation or award a contract.
Notice text
please see attachment for full details
Files
| File | Type | Posted |
|---|---|---|
| NIST-SS26-137.pdf |
Notice history
| Notice | Type | Posted |
|---|---|---|
| Metrology-grade Chilled Mirror Dew Point Hygrometers | Award Notice | |
| Metrology-grade Chilled Mirror Dew Point Hygrometers | Solicitation | |
| This notice | Pre-Solicitation |
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