... DS8-RRRRB Digital Universal Sensor Meter, Sensor IndicatorFeatures:1. Universal input: 4-20mA, 0-10V, 0-75mV, 0-400Ω, Pt100, ... 50/60Hz, power consumption<5VA .5. Optional: a. Isolated analog output: 0~10mA or 4~20mA, configurable by software. b. RS485 ... process; Can measure AC / DC voltage/ current and resistance, isolated input /output and external supply; Can link to PC through communcation interface ...