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Specifications

Specifications: 1) DTSF188: 0.5 grade, 1 grade 2) Data preservation time in case of battery failure: >= 1 hour 3) Weight: about 2.8kg 4) Extreme operation temperature: -20oC to 55oC 5) Real time measurement: flow, voltage, frequency and power (with current) 6) Watt measurment: a) Separate time measurments b) Able to measure watt negative, positive or no current 7) Demand accounting rate: four demand accounting rates, four time zones, 10-day periods, automatic switch one hundred years (1996-2095) 8) 3 x 57.7(100) V, 3 x 220/380V Inner packing: Dimensions: 285 x 185 x 85mm Weight: 1,757g