DWYER INSTRUMENTS 641RM-12-LED Air velocity transmitter, with LED display.

Air Velocity Transmitter, Digital Display Screen Type LED, Response Time 1.5 sec, Maximum Operating Temperature 140 Degrees F, Probe Diameter 0.31 in, Maximum Output Signal 20 mA, Maximum Temperature Measured 212 Degrees F, Maximum Velocity Measured 15, 000 fpm, Minimum Operating Temperature 32 Degrees F, Minimum Temperature Measured -40 Degrees F, Minimum Velocity Measured 250 fpm, Minimum Output Signal 4 mA, Pressure Limit 100 psi, Air Velocity Accuracy +/-3 Percent (32 to 122 Degrees F). This item has been restricted from sale in the following state (s): []