... peak value display function; applicatable to various eletrical power measurement and control; capable of selecting both AC ... , Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter,Timer,Timer Relay, Solid State Relay, Proximity ... and measurement field, such as machinery, electrical cabinet, power sub-station, industrial automation, etc.. In addition to ...