The B + B Thermo-Technik 0551 1120 duct immersion probe is a temperature sensor designed for accurate measurements from -40 up to +125 °C. It is typically used in HVAC systems for monitoring air temperature in ducts. This reliable thermometer is ideal for applications requiring precise temperature control. https://elecena.pl/product/28534729/b-b-thermo-technik-0551-1120-duct-immersion-probe-temp-humidity 2025-04-25 https://elecena.pl/product/28534729/b-b-thermo-technik-0551-1120-duct-immersion-probe-temp-humidity 2026-07-17