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Your Position: Home > Product Center > SDT Series Three Phase Meter > SDT640-SP Mounted Easily 3-Phase Power Analzyer


Product Description
  • General
  • Model
  • Feature
  • Dimension
  • Document
> General
     SDT640-SP easy mounted 3-phase power analyzer is designed special for renovation projects; they have 3 split core current transformers to realize that we mount them without disassembling phase wires. So that we shall save installation labor, cost and time.
     It can adapt 3P4L and 3P3L system and it can measure more than 30 electrical values.
     It has a RS485 interface to transfer the measuring data to other master devices, such as PLC, data center computers.
> Functions
- Measuring more than 30 parameters on AC 3-phase electrical network;
Ia,Ib,Ic,Ua,Ub,Uc,Uab,Ubc,Uca,F,Pa,Pb,Pc,P, Qa,Qb,Qc,Q,Sa, Sb,Sc,S, PFa,PFb, PFc, PF, +/-kWh & +/-kVarh
- Line: 2P3L (2x110V/220V);
    3P4L (3x120/220V, 3x220V/380V, 3x230V/400V);
    3P3L (3x380V)
- Input: 5A, 20A, 60A, 100A, 200A, 400A, 600A; - With 8 digits LCD (0.00-99999999 kWh); keep kWh value without power;
- With kWh impulse output (comply DIN43864);
- With wiring error alarm, check error reason by alarm code;
- With 2 cables RS485 interfacer (Modbus-RTU protocol);
- 35mm standard DIN rail installation;
- With free testing software, you may easily read and SDT670 data and program its parameters by computer.
- Option: it can has a relay output (Capcity: AC250/3A,DC24/5A)
- Auxiliary power supply: AC/DC85-265V;
> Avantage
- Mount power analyzer SDT640, don't need to disassemble phase wires; very suitable for renovation projects;
- With small dimension, suitable for small installastion space;
- Working by auxiliary power supply, it can measure different kinds of AC voltage.
- With standard and simple ModBus-RTU protocol, easy to develop to make it with SCADA, PLC or HMI;
> Application
- Count the electricity fee for the shops in shopping mall;
- Monitor the main electrical machineS in factory;
- Monitor the state value in the building power distribution;
> Order Example
- Model: SDT640-SP200-K
- Line: 3P4L
- Input: 3x220/380V,200A,50Hz
- Output: RS485 interface Modbus-RTU - Option: 1 relay output
Type Feature
SDT640 3-Phase Power Analzyer
* measuring more than 30 parameters on AC 3-phase electrical network;
Ia,Ib,Ic,Ua,Ub,Uc,Uab,Ubc,Uca,F,Pa,Pb,Pc,P, Qa,Qb,Qc,Q,Sa, Sb,Sc,S, PFa,PFb, PFc, PF, +/-kWh & +/-kVarh
-SP5 With 3 picecs 5A split core CT
-SP20 With 3 picecs 20A split core CT
-SP60 With 3 picecs 60A split core CT
-SP100 With 3 picecs 100A split core CT
-SP200 With 3 picecs 200A split core CT
-SP400 With 3 picecs 400A split core CT
-SP600 With 3 picecs 600A split core CT
-K
Relay output
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 5A, 20A, 60A, 100A, 200A, 400A, 600A
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
Wiring 2 cables RS485
Baud rate 1200,2400,4800,9600,19200,38400bps
Parity n81,n82,e81,o81
Protocol Modbus-RTU
Energy Impulse kWh impulse (open-collector)
VCC<48V, Iz<50mA
Constant: 400~3200imp/kWh
Width of pulse: 80ms±20ms
Auxiliary power supply AC/DC85-265V
Relay Ouput (Option) Capcity: AC250/3A,DC24/5A
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: 72×87×59 (mm)
Weight: 150g
> 外形尺寸
> 接线方式
> Technical Sheet
Sdt640SP_Tech.pdf Download...
> Testing Software
Sdt640_Test.exe (Same as SDT670's) Download...
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