... measurement) Any DC volt/ampere signal input 0.3% F.S.Min unit: uA,mV. ZW series DC Power Meter/Coloumeter-- ... Power supply: 18--30V AC/DC or 80--265V AC/DC. We can manufacture thousands of different models of products, including Temperature Controller, Digital ... control and measurement field, such as machinery, electrical cabinet, power sub-station, industrial automation, etc.. In addition to supply ...