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