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Model No. : | DRS-202M |
---|---|
Brand Name : | Forlong |
Product description
Meter type | DRS-202M (multi-tariff) | |
Digit length | 5+2 (LCD display) | |
Insulation capabilities: | ||
- AC voltage withstand | 2KV for 1 minute | |
- Impulse voltage withstand | 6KV – 1.2µS waveform | |
Rated current (Ib) | 10A | |
Maximum rated current (Imax) | 60A/80A/100A(option) | |
Operational current range | 0.4% Ib- Imax | |
Over current withstand | 30Imax for 0.01s | |
Internal power consumption | ≤2W / 10VA | |
Test output flash rate (RED LED) | 1600imp/kWh | |
Pulse output rate (pins 20 & 21 | 1600imp/kWh | |
Consumption indicator (RED LED) | Flashing at load running | |
Data store | The data can be stored for more than 25 years without power |
RS485 communication specifications | |
Bus type | RS485 |
protocol | MODBUS RTU with 16 bit CRC |
baud rate | 1200,2400,4800,9600 |
Address range | 0-255 user settable |
Bus Loading | 64 meters per bus |
Rage | 1000m |
Infrared communication specifications | |
infrared wavelengths | 900- 1000nm |
baud rate | 1200bps |
communication distance | 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 |
1/2 | Phase line IN/OUT |
3/4 | Neutral line IN/OUT |
6 and 7 | Test pulse output contact |
9 and 10 | RS485 communication contact |
Height | 100 mm |
Width | 76 mm |
Depth | 65.5 mm |
Max diameter cable | 11.5 mm (7.5mm with adaptor 1 and 4.9mm with adaptor 2) |
Weight | 0.35 Kg (net) |
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