The Extech RHT30 is a multi-channel data logger designed for monitoring temperature and humidity, capable of measuring temperatures from -30 to +70 °C and humidity from 0.1 to 99.9 RH. It is ideal for long-term recording and continuous data monitoring with its PDF report generator feature. Typical applications include environmental data logging in factories, storage facilities, and laboratories. https://elecena.pl/product/28942443/extech-rht30-multi-channel-data-logger-humidity-temp-30-to-70-c-usb 2025-06-12 https://elecena.pl/product/28942443/extech-rht30-multi-channel-data-logger-humidity-temp-30-to-70-c-usb 2026-02-25 https://elecena.pl/product/28942443/extech-rht30-multi-channel-data-logger-humidity-temp-30-to-70-c-usb 2026-04-13 https://elecena.pl/product/28942443/extech-rht30-multi-channel-data-logger-humidity-temp-30-to-70-c-usb 2026-05-06 https://elecena.pl/product/28942443/extech-rht30-multi-channel-data-logger-humidity-temp-30-to-70-c-usb 2026-07-13 https://elecena.pl/product/28942443/extech-rht30-multi-channel-data-logger-humidity-temp-30-to-70-c-usb 2026-10-15