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Single phase electricity meters,electric meter manufacturers from china

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Application

The DDSF833 electronic single-phase multi-rate watt-hour meter is composed by the electronic single-phase
watt-hour meter part and multi-rate part, LCD display, infrared or RS485 communicaton, It has high measuring
accuracy, well stability, well over-load ability and high reliability, It can measure the time-sharing single phase.
All the Meter comply with the standard of GB/T15284-2002 Multi-rate(time-sharing) Watt-hour Meter and GB/
T15284-2002 Multi-rate(time-sharing) Watt-hour Meter Communicaton Rule.

Functions and features

Each of four periods has different rates(point period, peak period, smooth period and trough perild). Every
period of time can be programmed into 12 periods of time and the minimum time interval is one minutes.
All the consumption date can be reserved for 12 months.
It can auto identify the directional, will be auto save and accumulate to the forward direction power counter. It
can auto save the reverse direction power, starting time and the total time.
It has the function of reverse directional pulse test and indication.
It has the isolated RS485 commuication, and design for prevent from the lightning strike.
Date-copying adopt the password and program switch protection, recording the latest program time and
degree.
It adopts the hardware clock circuit, the lowest current consumption, The battery is one-time and
environmental protection lithium battery.
It can setup the meter number, bureav number, time-period, rate, date, time, meter reading reading time,
password and the initial electric power.
It can indicate the short voltage of the backup battery, the hardware state of the meter, the communication
state of the meter, the clock state, the directional electricenergy, time-adjusting state and present time-period.
It can read via RS485 or hand computer.
Meter reading function at power off.