Control Resources SmartFan TachScan-9 Fan Speed Alarm

Features

• SmartFan TachScan-9 is a digital fan speed alarm that monitors the tach pulses fromup to nine DC or AC fans or blowers and provides both individual and OR’d pass/fail signals.
• TachScan-9 is compatible with any fan thatprovides open collector or voltage source tach pulses. Three trigger speeds are selectable by jumper. If the speed of any air mover falls below the trigger speed, alarm signals are generated.
• Alarm signals can drive LEDs, logic, optical isolators or MOS Relays.