Q: What types of alarms do you offer for your fans?
A: We offer various types of alarm and sensor outputs for our axial flow fans, centrifugal blowers, and cross-flow fans.
1. Stall alarm - an alarm is output when the fan stops while operating.
2. Low-speed alarm (electronic output) - an alarm is output when the fan speed drops to a specific level.
3. Low-speed alarm - (contact output) - an alarm is output when the fan speed drops to a specific level.
4. Pulse sensor - two pulses are output per revolution of the fan. You will need a host controller to monitor the pulses and interpret it as speed. This function helps you set your own desired output speed for alarm activation.
For more information about these alarms, and to see which fans offer alarms, please click here and see page E-15:
http://www.orientalmotor.com/products/p ... erview.pdf
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