AVDTIX ???

Air flow transducer, 4 – 20 mA, 0 – 10 Vdc selectable outputs, 24 Vac/dc, 0 – 2 m/s (394.7 f/m), 0 – 10 m/s (1968.5 f/m) & 0 – 20 m/s (3937.0 f/m) – 0?C to 50?C (32?F to 122?F) temperature output, LCD (fpm, F)?? https://downloads.greystoneenergy.com/Submittals/PS-AVDTXXX.pdf https://downloads.greystoneenergy.com/Install%20Notes/IN-GE-AVDTXXX.pdf