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 Electronic Single-phase Multi-rate Smart Meter Model DDSF846(LED¡¢LCD) |
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Electronic single-phase multi-rate Smart Meter Model DDSF846 (LED, LCD) is a highly reliable, wide working power supply and low power consumption
electric energy measuring instrument that adopts large-scale intergated circuit, applied digital sampling technology and SMT technology according to the requirements
for electricty by residents.
This meter can set 4 rates and 12 time-periods and its performance conforms to the technical requirements of the power sector and the Chinese national standards
GB/T 15284- 2002 on Special Requirements for Multi-rate Smart Meter.
Functions and characteristics
Digitalized measurement, infrared/RS485 communication, day clock drive, multi-rate time-division measurement such as high peak, peak, flat and valley rate, which
is highly reliable and can set 12 time-periods and conducts communication with PC through RS485 interface, or infrared communication with palmtop computer to
set up, check and read the working parameters and electric quantity. The six-in-one LED/LCD display various parameter setup, high-peak, peak, flat and valley electric
quantity and historical data over the past 12 months. The meter is in two modes, i.e. revolving constant display and sleep work and can wake up the display with any
infrared signal or remote controller. With built-in calender for 2000~2099, which automatically calculates leap year and leap month; perfect electromagnetic compactibility design and power supply circuit
design make the meter strong in electromagnetic compactibility and wide in working range for power supply.
Specifications
 ¡úConforming to standard: GB/T15284-2002
¡úModel: DDSF846, single-phase 220V 50Hz
¡ú1.5(6)A, 5(20)A, 5(30)A, 10(40)A, 20(80)A
¡úLimit voltage: regular working voltage: 0.9Un~1.1Un
¡úLimit working voltage 0.5Un~2Un
¡úPulse constant: 800, 1600, 3200imp/kWh
¡úAccuracy class: 0.5, 1.0 and 2.0
¡úRate parameter: daily measurement accuracy ¡Ü0.5s/d (23¡æ)
¡úPower consumption: <1.2W
¡úElectric quantity display: LCD
¡úBaud rate: 1200BPS
¡úEffective infrared communication distance: >5m
¡úData storage time after outage: ¡Ý10 years
¡úBattery capacity: ¡Ý1000mAh
¡úData storage time after outage for change of battery: ¡Ý4h |
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