... Meter, Voltage Meter, Ampere Meter1) 8-bit micro processor, 5 digit LED display, range up to 19999, sampling rate 2.5 ... /DC voltage and current;3) With software menu and thumb switch to set High, Middle and Low alarm output value (total ... -20mA outputRelay capacityAC 250C/3A DC 30V/3A DP4 5 digit Voltage Meter / Ampere Meter