EXTECH, Infrared/Onboard, With Cert. of Traceability to NIST, Relative Humidity Meter - 6RGL9|HD500-NISTL - Grainger
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Amazon.com: Gain Express Digital Humidity & Temperature Meter Hygrometer Psychrometer, Dew Point and Wet-Bulb Temperature Range -4~158°F, Humidity Range 0~100% RH, Min/Max Hold, LCD Backlight : Appliances
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Handheld digital temperature and relative humidity data recorder meter sensor in fruit and vegetable warehouses glasshouses
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