Kanomax 6332 airflow transducer is compact design airflow transducer, fits into small spaces. Includes 10 interchangeable probes for various applications. Easy probe replacement without recalibration of the main unit. Smart probe technology: easy probe replacement without recalibration of the main unit. Selectable output options: 0 to 5 V or 4 to 20 mA. Air velocity ranges 20 to 9840 fpm (0.10 to 50.0 m/s). Analog output: DC 4 to 20mA or DC 0 to 5V. DC or AC power supply. Measures 3-3/32-inches width by 5-inches height by 1.2-inches depth..