Three-phase Meter
Product should be handled and transported in intact packaging to avoid squeezing and severe shock; prevent falls and shocks when unpacking. Product should be stored on the stand with the original packaging and stack height should not exceed 5 layers.
Product should be stored in a clean place, the environmental temperature should be 0-40℃, relative humidity be less than 85%, and there should be no harmful substances in the atmosphere to avoid corrosion.
Three-phase Smart Watt-Hour Meter adopts large-scale integrated circuit and dedicated ultra-high precision energy measurement SOC chip. The communications capability and reliability of its communication module has reached the level of widespread practical application. It is a modern advanced meter designed and manufactured according to the actual energy consumption conditions with the application of digital sampling technology and SMT technology.
Its performance indicators are in line with IEC 62053-21: 2003 Electricity metering equipment (a.c.) - Particular requirements - Part 21: Static meters for active energy (classes 1 and 2), IEC 62053-23: 2003 Electricity metering equipment (a.c.) - Particular requirements - Part 23: Static meters for reactive energy (classes 2 and 3) and IEC 62052-11: 2003 Electricity metering equipment (a.c.) - General requires, tests and test conditions - Part 11: Metering equipment and other standards. The technical requirements of the smart meter can be made to measure the functional requirements; meanwhile, its telecommunication adopts a dedicated data encryption chip to ensure the security of quantity of electricity, tariff and other information.
Specification and pulse constant comparison table
Category | Reference voltage Un (V) | Rated current In (A) | Active pulse constant (imp/kWh) | Reactive pulse constant (imp/kvarh) |
Three-phase four-wire | 3×230/400 | 3×5(45) | 600 | 600 |
3×5(100) | 300 | 300 |
Note: since the requirements of different regions on the pulse constant are different, the above constant pulse is for reference only. See the actual pulse constant in the nameplate.
● Accuracy class: Active Class1.0 Reactive Class 2.0
● Rated frequency: 50Hz
● Starting current:Active 0.004In (Class 1),Reactive 0.005In (Class 2.0)
● Creep:with anti-creep logic design
● Dimensions:290mm 170mm 85mm
● Weight: about 2.4kg
Electrical parameters
Normal operating voltage | 0.9Un-1.1Un |
Extended operating voltage | 0.8Un-1.15Un |
Power consumption of voltage circuit of each phase | ≤ 1.5W and 6VA |
Power consumption of current circuit of each phase (Ib<10A) | <0.2VA |
Power consumption of current circuit of each phase (Ib≥10A) | <0.4VA |
TOU operating parameters
Clock accuracy (daily error) | ≤0.5S (23℃) |
Data retention period after power blackout | ≥10 years |
Climatic conditions
Normal operating temperature | -25℃-+60℃ |
Extreme operating temperature | -40℃-+70℃ |
Storage and transport temperature | -40℃-+70℃ |
Storage and operating humidity | Annual average ≤95% |
Technical parameters
TOU number | 4 |
Consumption number | 14 |
Metering range | -799999.99 kWh-799999.99 kWh , -799999.99 kvarh-799999.99 kvarh |
Display | LCD |
Communications | RS485 interface: 1200bps-9600 bps, infrared interface: 1200bps |
● Embedded high speed and high precision AC voltage and current acquisition module, high sampling precision, accurate real-time energy measurement;
● Time Of Use (TOU) functions for measuring positive and negative active energy, demand and quadrant reactive energy, with RS485 and infrared communication functions;
● Embedded high security data encryption modules to secure the safety certification process between the meter and the master station and ensure the security and integrity of data interaction with the master station;
● Embedded high-performance PLC module or RF module or GPRS module, the remote control of the master station is realized due to the reliability of its communications capabilities;
● Excellent electromagnetic compatibility, can withstand the interference of high voltage spikes, intense magnetic field, strong static electricity, lightning surge, and has a strong temperature adaptability;
● Three-phase power supply, the meter still works when any two of the three-phase four wires are cut off power supply;
● In the case of loss of AC power, the meter may ensure the accuracy of data;
● Low power consumption;
● The total memory size is 4M Byte;
Product Name: Three-phase Local Charge Controlled Smart Electric Energy Meter