Measure Multi Tarrif kWhs - 3-phase
4 Tariffs and 8 time segments
Direct 100A input
RS485 with modbus
EN50222 & EN61000
Port: Shanghai
Minimum Order Quantity: 1 Set/Sets
Supply Ability: 10000 Set/Sets per Year
Payment Terms: L/C,T/T
Contact Supplier
Packaging Detail: Case
Delivery Detail: One Week
SDT872 Three Phase Multi Tariff Watthour Meter
1. General
SDT872 3-Phase DIN rail Energy Analyzers is the high accuracy energy measuring device. It is designed for Energy Management System(EMS). It can measure up to 4 energy tariffs and 8 time segements.
It has RS485 interface with Modbus protocol, to realize transfer the all energy data to master device; It has a energy pulse output to PLC or to pulse counter.
SDT872 is being used in many intelligent building, factories, universities, to realize the accurate energy count in time segments, so that it can save much electricity for users.
2. Functions
• Measure 1~4 kinds of different kWh tariffs and maximal 8 time segments;
• With 7 digits LCD;
• Input: Direct 3x5A, 3x16A, 3x32A, 3x63A, 3x100A;
• Line: 3P2L (2x110V/220V);
3P4L (3x120/220V, 3x220V/380V, 3x230V/400V);
3P3L (3x380V);
• With impulse outputs (kWh) and wire breakage alarm;
• With RS485 interfacer (Modbus-RTU protocol);
• Record all the energy data in Recently three months;
• With StandardeL PC software, the user may easily read and SDT872 data and program its parameters by computer.
3. Features:
| Technical Feature | Parameters | |
| Input | Wiring | 2P3L, 3P3L, 3P4L |
| Voltage | 2x110V/220V, 3x120/220V, 3x220V/380V, 3x230V/400V, 3x380V | |
| Rating: 0.9 ~ 1.1Un; maximal: 0.7 ~ 1.2Un | ||
| Consumption ≤5VA / line | ||
| Current | 3x5A, 3x20A, 3x32A, 3x100A | |
| Minimal current 20mA | ||
| Minimal current 20mA | ||
| Consumption ≤4VA / line | ||
| Frequency | 50/ 60Hz | |
| Precision | 0.2%(U,I); 0.5% (F: 0.05Hz, kVarh: 1%) | |
| Thermal drift | <200ppm | |
| RS485 interface | 2 cables RS485 (Modbus-RTU protocol) | |
| Energy Impulse | 2 impulse (open-collector) for kWh & kvarh | |
| VCC<48V, Iz<50mA | ||
| Constant: 400~3200imp/kWh(/kvarh) | ||
| Width of pulse: 80ms±20ms | ||
| Installation | Standard 35mm DIN rail | |
| Standard | EN61036; EN50022 | |
| Isolation | 2kVAC/min ( input / output / power supply) | |
| input / housing and output / housing >50Mohm | ||
| Environment | Work Temperature: -20C ~ +55C | |
| Storage Temperature: -40C ~ +70C | ||
| Relative humidity: 5% ~ 95% (no condensation) | ||
| Altitude: < 2500m | ||
| Dimension: 126×89×74 (mm) | ||
| Weight: 950g | ||
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