Three Phase Four(Three) Wire Multi-tariff Electronic Meter
Product Description
Three Phase Four(Three) Wire Multi-tariff Electronic Meter
【General introduction】
DT(S)SF22 Three Phase Four(Three) Wire Multi-tariff Electronic Meter are designed to satisfy industrial demand, adopting large-scale integration(LSI), digital sampling technology and surface mounting technology (SMT). It features stable functions, high precision and easy operation. The meter is capable of measuring active/reactive energy and demand in all directions, RS485 port communication, manual and infrared waking during power outage, load record and much more. It can check the battery to ensure the safety and stability of clock. The meter is popularly used by ordinary three phase clients, power plant, transformer substation, communities and main measurement point.
【Functions and Characteristics】
* Three phase active(reactive) power consumption measurement at different time segment
* Display: large LCD display.
* Record ,display and store the total active/reactive power consumption and multi rate power consumption during latest 3months.
* Measurement of maximum demand and billing.
* Two time zones, four rates, ten time periods.
* Event record of voltage/current missing, programming, demand clearance.
* Real time data: time, voltage and current.
* Self verifying and monitoring of power supply, power.
* Network, operation situation of meter.
* The function setting, programming and reading (concentrated reading possible) can be realized via infrared and RS-485 ports.
【Technical Specification】
Contents | Parameters |
Standard | GB/T17883-1999、GB/T17882-1999
GB/T17215-2002、GB/T15284-2002 |
Measurement | Active | Positive active(reactive)energy consumption measurement |
Negative active energy consumption measurement(will be counted into positive active energy consumption) |
Specification | Rated voltage（V） | 3×100V 3×57.5/100V 3×220/380V |
Rated current（A） | 1.5(6) 5(25) 5(30) 10(50) 20（80） |
Constant（imp/kWh） | 6400 3200 1600 400 200 |
Accuracy class | Active 0.5s 0.5 1.0 |
Reactive 2.0 |
Rated frequency | 50Hz |
Weight | 1750g |
Output | Output | Active Pulse Width：80ms±20%
Reactive Pulse Width：80ms±20% |
Electrical Parameters | Normal working voltage | 0.8Un ～ 1.15Un |
Limit working voltage | 0.7Un ～ 1.2Un |
Power consumption | Voltage circuit <1.0W 5.0VA
Current circuit <1.0VA |
Display | Meter counter： 0～99999.9kWh
LCD ： 0～999999.99kWh |
Storage after outage | ﹥20 years |
Clock accuracy | ＜0.5secon/day |
Battery Life | ﹥10 years |
Communication Protocol | RS485 | In according with DL/T645-1997 |
Infrared | IEC61107 |
Climatical Condition | Normal working temperature | -25℃～55℃ |
Limit working temperature | -30℃～60℃ |
Storage temperature | -40℃～70℃ |
Storage and working humidity | ≤85% |
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