... ;Analog output:0-10mA/4-20mA. DS8 series Digital meter for voltage/current(AC 0-5V,4-20mA,0 ... Modbus RTU protocol, connectable with PLC.6) Regular model: DS8-NB DS8-IDV300/75mV DS8-DV300/75mV DS8 ... Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter, ...