EC21 Product Catalogs - constant current power supply

GF112D Single Phase Power Meter Calibrator

20240821

Power supply AAA type, Li rechargeable battery, 2700mAh, 3.6V it can work 48 hours continuously Warming-up time <2 min Voltage measurement U Range 0-600V Accuracy 0.05% Harmonics 2nd-63nd Current mea

Portable Three Phase Multifunction Watt-hour Meter Calibrator

20240819

current of harmonics of 2nd to 63rd; Power supply (lithium battery)/ 85-265V AC /U1Un (40-450V); Check wiring failures and calculation of electricity compensation; Testing all kinds of mechanical and

CP11B Single Phase Power Calibrator and Tester

20150409

powers P, Q, S (by changing I, U or j) with using numeric keyboard or ô keys to decrease or increase setting with different speed, - selecting of voltage and current constant range and autorang