Vane Probe (Ø 100 mm) with Temperature Sensor, Wired temperature sensor and return steps

and return steps

and vibration-resistant gauges with PSI

a second head fitted with an ET2W wireless transmitter sends its readings to the EH4W wirelessly at up to 75 feet — ideal for supply and return temperature checks

And always replace perished gaskets when you see micro-bubbles on a leak test — cheap insurance for a ripper seal

Hassle-Free Maintenance: Designed for quick access and easy cleaning of the reservoir

Vane Probe (Ø 100 mm) with Temperature Sensor, Wired temperature sensor and return stepsThe Testo 100 mm Wired Vane Probe is an essential tool for HVAC professionals, designed for precise measurement of air velocity, volume flow, and temperature. This digital probe connects via a fixed cable to compatible Testo multifunction measuring instruments, enabling comprehensive airflow analysis in various applications. It is ideal for assessing air outlets, plate outlets, ventilation grilles, and swirl outlets. The intuitive measurement menu on