Class 1 accuracy
Modbus RTU protocol
Direct connected up to 100A or CT version
Multi-tariff
Power factor
Minimum Order Quantity: 200 Piece/Pieces
Supply Ability: 10000 Piece/Pieces per Month
Payment Terms: L/C,T/T,Western Union
Contact SupplierPackaging Detail: carton
Delivery Detail: one month
Applications
Distribution systems
Generator sets
Control panels
Energy management
Building management
Utility power monitoring
Process control
Motor control
Secondary Metering
Meter Specifications | |
Meter Type | DRT-301M |
Nominal Voltage(Un) | 230/400V AC (3~) |
Operational voltage | 161/279 – 300/520V AC (3~) |
AC Voltage Withstand | 2KV for 1 minute |
Impulse Voltage Withstand | 6kV – 1.2µS waveform |
Basic Current (Ib) | 1.5A (CT type); 10A(directly connect) |
Maximum Rated Current (Imax) | 6A (CT type); 100A(directly connect) |
Operational Current Range | 0.4% Ib- Imax |
Over Current Withstand | 30Imax for 0.01s |
Operational Frequency Range | 50~60Hz ±10% |
Internal Power Consumption | ≤2W / 10VA |
Test Output Flash Rate (RED LED) | 3200imp/kWh (CT type); 400imp/kWh (directly connect) |
Pulse Output Rate (pins 7 & 8) | 3200imp/kWh (CT type); 400imp/kWh (directly connect) |
Accuracy Class 1 | |
Voltage, LN & LL (Phase1,2,3) | ±0.5% |
Amps (Phase 1,2,3) | ±0.5% |
Frequency | ±0.2% |
Active Power (Phase 1,2,3&Σ) | ±1% |
Reactive Power (Phase 1,2,3&Σ) | ±1% |
PF (Phase 1,2,3 &Σ) | ±0.2% |
Active power (Phase 1,2,3&Σ) | ±0.5% |
Reactive power (Phase 1,2,3&Σ) | ±2% |
Apparent power (Phase 1,2,3&Σ) | ±1% |
RS485 communication Specifications | |
Bus Type | RS485 protocol |
Baud Rate | 1200,2400,4800,9600,19200 (optional) |
Address range | 1-255 user settable |
Bus Loading | 256 meters per bus |
Communication Distance Range | 1200m |
Infrared Communication Specifications | |
Infrared Wavelengths | 900- 1000nm |
Baud Rate | 1200bp |
Communication Distance Range | 5m |
Communication Angle | -15°~+15 |
Protocol | MODBUS RTU with 16 bit CRC |
Tariff Specifications | |
Tariff Number | 2 |
Time Segments | 8 |
Clock Accuracy | ≤0.5S (every 24 hours) |
Battery Voltage | 3.6V DC, ≥1.2Ah |
Performance Criteria | |
Operating Temperature | -10°C to +50°C |
Storage Temperature | -30°C to +70°C |
Operating Humidity | ≤ 75% non condensing |
Storage humidity | ≤ 95% non condensing |
IP Protection | IP51 |
Protective class | II |
Dimensions | 130 mm high x 65mm Depth x 126mm Width |
Weight | 0.7KG |