... Pt100 RTD, K, E, J type thermocouple,voltage, or current signal. The pressure input can be various voltage or ... such as retransmission, high/low alarm of momentary flow,temperature and pressure, abnormal signal detecting, and communication withcomputer are available ... .√ I2Switch / frequency signal input interface for inputting external switch orfrequency signal, has a 12VDC power supply for external ...