Digital Hygrometer: Indoor/Outdoor, Temp, Humidity, Includes NIST-Traceable Certificate - Grainger
Fisherbrand Traceable Relative Humidity/Temperature Meters:Humidity and | Fisher Scientific
TRACEABLE, Cabled, With Cert. of Traceability to NIST, Digital Hygrometer - 3LYH7|4185 - Grainger
Traceable® Jumbo Humidity/Temperature Meter | Southern Labware
Premium NIST Traceable Brass Wall Hygrometer and Thermometer
Always in Stock - Traceable Thermohygrometer with NIST-Calibration from Cole-Parmer
Fischer HYGROMETER / THERMOMETER Humidity and Temp - Dial w/White Face & Stainless steel case | Abbeon
TRIPLETT Hygro-Thermometer Pen with Cert. of Traceability to NIST RHT02-NIST - The Home Depot
Reed Instruments Digital Psychrometer / Thermo-Hygrometer, (Wet Bulb, Dew Point, Temperature, Humidity) with NIST Calibration Certificate 8706-NIST | Zoro
Control Company 4185 Traceable® Memory Hygrometer/Thermometer - H5862 - General Laboratory Supply
Sper Scientific 800019C Bluetooth Hygrometer, NIST Certificate of Calibration | Digital Thermometers and Thermometers - Certified Material Testing Products
Thermometer Clock Hygrometer | Marketlab
InnoCal NIST-Traceable Calibration; Humidity/Temperature, Standard-Accuracy from Cole-Parmer
Fluke 971-NIST Dual Display Temperature Humidity Meter, includes Traceable Certificate