The circuit is simple and elegant.Which is essential for its high reliability and easy installation.This system have a digital RPM readout and can automatically display the direction of the ship. 2 to 10 analog tachometers can be connected simultaneously, 2 to 5 digital tachometers can be connected simultaneously as well. The whole system is general,compact,high performance,long lasting and highly reliable.
Power supply:DC24V±20% (or AC220V).
Speed range:±18~±900rpm.
Measure precision:1.5nd.
Working temperature:-20 ~ ±60 centigrade.
Working way:sequence.