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 Single-phase Remote Intelligent Smart Meter for Rate Control Model DDZY846/ DDZY846-Z |
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Remote intelligent Smart Meters in DDZY846 series are developed and manufactured by us with the world's advanced microelectronic chip according to the latest requirement and standards of the national grid, in full range and diversified specifications. The meter has characteristics of high reliability, high precision and long service life and is widely applicable to users in the city and the countryside.
Main Functions:
Rate control: alarm, power cut-off, maintaining power supply, and power-on permission;
Power quantity: combining active power, forward active power, reverse active power, timing freezing, instant frozen power quantity, appointed frozen power quantity, day frozen and on-time frozen electric quantity, storage of electric quantity for the previous 12 months;
Multiple rates: multiple rate measurement, clock temperature compensation;
Event record: time calibration record, programming, reset record, cover-opening record, switching-on-and-off record, power-down record, communication and pulse, RS485 communication and infrared communication;
Carrier-wave: The single-phase remote intelligent Smart Meter for rate control Model DDZY846-Z transmits data by means of carrier-wave mode.
Main Technical Parameters
Reference voltage |
220 V |
Current specifications |
1.5(6)A¡¢ 10(60)A¡¢10(100)A |
Reference frequency |
50 Hz |
Accuracy class |
1.0¡¢2.0 class |
Start-up current |
0.004I |
Environmental condition |
regular working: -25¡æ~+60¡æ, extreme working: -40¡ãC~70¡ãC, temperature for storage and transport: -40¡ãC~70¡ãC |
Max. relative humidity |
annual average 75%, monthly average: 95% |
Range of regular working voltage |
0.8Un ¡« 1.15Un |
Extreme working voltage: |
No damage is caused when 1.9Un voltage is applied to the circuit of the Smart Meter for 4 hours and the meter can continue working regularly after the test; |
Max. through current |
No damage is caused to the meter at 1.2Imax running for 1 hour |
Clock accuracy |
¡Ü0.5 s/d |
Power consumption |
When there is no communication, the active power on the voltage circuit is ¡Ü1.5W, the apparent power is ¡Ü10VA, and not exceeding 3W and 12 VA under communication |
Lithium battery |
Green and environment friendly, the capacity is ¡Ý1.2Ah and can maintain the program in the meter and keep the clock running for more than five years. The service life is more than 10 years. |
Anti-static electricity capacity |
>15 kV |
Designed service life |
¡Ý10 years |
Overall dimension |
160 mm¡Á112 mm¡Á71mm(DDZY846-Z)/160 mm¡Á112 mm¡Á58mm(DDZY846) |
Remarks |
In case of discrepancy in specifications between the different meters, the specific meter will prevail. |
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