The DTH800 is ideal for measuring, monitoring and displaying temperature and humidity.
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72-10634 - Humidity Seeker™ Thermo-Hygrometer Pen
The PTH8707 is a useful tool for both contractors and do-it-yourselfers to measure temperature and humidity conditions.
72-10640 - Thermo Seeker™ Pocket Infrared Thermometer
The IRT105 Thermo Seeker™ has a measurement range of -40°F~482°F and a variety of features making it ideal for a wide range of applications in food processing, HVAC, electrical and automotive industries.
I have used MCM for many years and would give high recommendation for getting the job done right.