... power supply for sensorCould select 4-20mA, 0-10mA current retransmission for other device.Alarm can be set ... CU50, CU100 3:0-5V, 1-5V 4:0-10mA 5:4-20mA8.Output typeR1/R2: Relay contact output ... we suplly process controller, temperature controller, PID temperature controller, Program temperature controller, PID process controller, program process controller,on-off process controller. Promotion!!!KH101: ...