Kanomax 6332D multi-channel measuring instruments airflow transducer with display. Compact design airflow transducer, fits into small spaces. 10 interchangeable probes are available for various applications. Easy probe replacement without recalibration of the main unit. Selectable output options: 0 to 5 V or 4 to 20 mA. Probe compatible: V Probe. 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. Power supply: DC or AC. Measures 3.1-inches width by 5-inches height by 1.2-inches depth