Function features:
★ High accuracy, high reliability
★ Measure three-phase AC active energy
★ Display on LED, Scroll display function
★ Three-phase power supply, the accuracy of measurement will not be affected when one or two phase electricity is cut off
★ Display active total energy on the counter, double protection prevents data from losing
★ Prepay by IC card to control using electric energy
★ With special function cards: returning energy card/closing meter card/changing tariff card/checking card
★ Within warning, power failure and pulse pilot light
★ Electricity-sale system adopt the process of checking and correcting, ensure the accuracy and reliability of data
★ Delayed break off at overload. With RS485 communication
★ Automatically write the information when users buy the card, easy management
★ One meter with multi-users, insert/putout card to transmit/cut power(each meter can use 30-40 cards)
★ Need not a battery, the data can be stored for more than 10 years after the electricity goes off
Technical parameter:
★ Standard: GB/T17215-2002 ， JB/T8382-1996
★ Accuracy class: 1.0 class, 2.0 class
★ Specification:
Specification
Type |
Accuracy class |
Rated voltage(V) |
Rated current(A) |
DTSYxx(A1 mutual inductance) |
1.0,2.0 |
3 × 220/380
3 × 380 |
3 × 1.5(6) |
DTSYxx(A2 direct) |
3 × 10(40)
3 × 20(80) |
DTSYxx(A3 internal control) |
3 × 10(40) |
★ Rated frequency: 50Hz
★ Electric parameter:
Normal operating Voltage: 0.8 ～ 1.15Un
Limited operating voltage: 0.7 ～ 1.2 Un
Power dissipation: ≤ 3W and 10VA
Isolation voltage: ≥ 2000VAC
★ Operating conditions:
Normal operating temperature: -25 ℃ ～ 55 ℃
Limited operating temperature: -40 ℃ ～ 60 ℃
Relative humidity: ≤ 75%
★ Physical features:
Size: 289mm × 170mm × 96mm
Weight: about 2.5kg (external control), 2.6kg （ internal control ）
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Single-phase electronic watt-hour meter
