by Candy8866 » Sun Aug 16, 2009 11:36 pm
Two-wire Transmitter is provided through the signal line drive power of the transmitter,the transmitter can be used to save the power cord.Two-Wire Transmitter differential pressure transmitter is first used.Differential pressure transmitter generally scattered distribution in large factories.The use of two wires transmitter,significantly reducing construction costs.Two-wire and 4-wires transmitters difference is that it can greatly save the cost of the power cord.