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Single Phase Multi-Tariff Electronic Watt-Hour Meter (DDSF256)


Service DDS686, DTS256 and DSS256 watt-hour meters are the stationary watt-hour meters made by the special LSI circuit and the SMT manufacturing technology. Servicing the stepper to record the electric energy. Or the character to do so ,these meters are capable of preserving date at power down. And recording at both directions, also with the stable measuring accuracy. The three-watt-hour meter is supplied by the three-phase power so when the single-phase or the two-phase power is interrupted there is no effect the measuring accuracy. The meters are in conformity of the standard IEC 1036-1996.

Main technical parameter
  • 1. Executive standard: Each performance meets the technical requirements of GB/T 17215-1998 (it IEC 1036-1996) standard for stationary watt-hour meter.
  • 2. Specifications and main technical parameters:
  • Main functional features
  • 1. The product has the function of two-way counting, which can accurately measure the power of positive and reversal direction, with one direction accumulating the quantity of electricity, so as to prevent, the electricity-theft./li>
  • 2. The product adopts the photoelectric isolated technique to produce the electric energy pulsed signal, and the light emitting diode (LED) to indicate the electricity consumption./li>
  • 3. The product has the function of augment ability, for example, it can be provided with a carrier, so that the concentrated recording will be carried out ./li>
  • 4. The product is provided with the small size, lightweight. hit precision, low power consumption, large load range and easy installation. /li>
  • DTS256 DSS256 DDS686 STATIONARY WATTHOUR METER-2 DTS256 DSS256 DDS686 STATIONARY WATTHOUR METER-2 INSTALLATION AND WIRING METHOD 1. The watt-hour meter employs three screws of M4 to fasten its installation, and its three holes thaw the shape of isosceles triangle with holes site of 164mm height and 126mm width. 2. Overall dimensions: 228mm width. 3. The wiring methods of the meter is s 4. Hewn as the following figures:
    Technical parameters:
  • Accuracy: Class 1.0 or Class 2.0
  • Rated current(A): 1.5(6), 1.5(9), 2.5(10), 3(12), 5(20), 5(30), 10(40), 15(60), 20(80), 20(100), 30(100)
  • Starting Current: 0.4%lb or 0.5%lb
  • Insulation Performance: AC voltage 2KV for 1 minute impulse voltage 6kv
  • Model: DDSF256
  • Standard: IEC1107.IEC61036
  • China Ningbo Electric Pneumatic Co.,Ltd (, a manufacturer of industrial electric and pneumatic products in China, our factories group mainly supply and produce:
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