The U.S. Department of Commerce, NOAA, Eastern Region Acquisition Division-KC and the Atmospheric Turbulence & Diffusion Division (ATDD) is awarding and purchase order for (32) each, DRD11A Precipitation Detector (Rain ON/OFF) Sensor and (5) each HMT330 (7T2D003BCAE100A05CABAA1) Humidity and Temperature Transmitter and HMT337 Probe: Probe (5m), +180C; T-probe, 5m, -70...+180C, ¼ DIN Class B; RH+T+Td+a+Tw+x+h+pws, with warmed RH-pro+T-pro; Cover without display; Standard (24 VDC), Analog Output )CH1+CH12) Output 0....1Vl Channel 1 RH (0...100%RH); Channel 2 T (Range See Below); Temperature Range -40...+180C; Metrics Units; Sealed Cable Gland M20x1.5; HUMICAP 180C Sensor; Warmed probe model; Sintered Filter AISI 316L HM47280; User's Guide HMT330. These items support the NOAA/United States Climate Reference Network (USCRN). The USCRN is a network of climate stations developed as part of a NOAA initiative. Its primary goal is to provide future long-term homogeneous observations of temperature and precipitation that can be coupled to long-term historical observations for the detection and attribution of present and future climate change. Data from the USCRN will be used in operational climate monitoring activities and for placing current climate anomalies into a historical perspective. The USCRN also provide the United States with a reference network that meets the requirements of the Global Climate Observing System (GCOS). The ATDD has a need for both of the precipitation detector and the humidity and temperature transmitter sensor. Vaisala Inc. has the only humidity and temperature transmitter available on the market that has the feature and can provide the necessary climate quality accuracy at high relative humidity events. The Vaisala sensor has the unique characteristics to meet the Government requirements. A sources sought was posted on FedBizOpps under NRMAC1001103232KLC on August 2, 2011 for a 10-day posting that resulted in no responses to the notice.
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