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20250-42DS DATALGR USB TEMP/RH
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20250-35DS PIN MOISTURE MT & NIST
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20250-34DS FOLDING THERMO & NIST
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20250-33DS P-POCKET THERMO & NIST
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20250-31DS HUM/TEMP/PROB IND & NIST
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20250-29DS SOUND METER AND NIST
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20250-23DS MINI ANEMOMETR W/NIST
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20250-22DS DL ANEMOMETR W/NIST