



🌬️ Stay ahead of the curve with precision climate tracking!
The Extech RHT20 is a compact, battery-powered humidity and temperature datalogger with a massive 16,000-reading memory. It measures relative humidity from 0-100% and temperature from -40 to 158°F, automatically calculates dew point, and features USB connectivity for easy data download and analysis. Ideal for HVAC, labs, greenhouses, and storage monitoring.














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