The B + B Thermo-Technik 0551 3230 corded probe is a temperature sensor designed to measure temperatures ranging from -40 up to +125 °C. It also measures relative humidity from 0 up to 100%. This versatile thermometer is typically used in industrial and HVAC applications. https://elecena.pl/product/28534701/b-b-thermo-technik-0551-3230-corded-probe-temperature-humidity-sensor 2025-04-25 https://elecena.pl/product/28534701/b-b-thermo-technik-0551-3230-corded-probe-temperature-humidity-sensor 2026-07-17