Electric Energy Meter
1.three-phase electricity energy meter 2.M-BUS protocol 3.Modbus available upon request 4.AMR solution available
Performance criteria:
| Operating humidity | ≤ 75% |
| Storage humidity | ≤ 95% |
| Operating temperature | -10°C - +50°C |
| Storage temperature | -30°C - +70°C |
| International standard | IEC 62053-21 |
| Accuracy class | 1 |
| Protection against penetration of dust and water IP51 | |
| Insulating encased meter of protective class |
Meter specifications:
| Nominal voltage(Un) | 230/400V AC (3~) |
| Operational voltage | 161/279 – 300/520V AC (3~) |
| Insulation capabilities | - AC voltage withstand 2KV for 1 minute |
| Insulation capabilities | - Impulse voltage withstand 6KV – 1.2µS waveform |
Basic current (Ib):
| CT type | 1.5A |
| Directly connect | 10A |
Maximum rated current (Imax)
| CT type | 6A |
| Directly connect | 100A |
| Operational current range | 0.4% Ib- Imax |
| Over current withstand | 30Imax for 0.01s |
| Operational frequency range | 50Hz ±10% |
| Internal power consumption | ≤2W / 10VA per phase |
Test output flash rate (PULSE LED):
| CT type | 1600imp/kWh |
| Directly connect | 400imp/kWh |
Test pulse output rate (pins 8 & 9) :
| CT type | 1600imp/kWh |
| Directly connect | 400imp/kWh |
CT Changing-Ratio: 27 ratios to choose
| Power supply indicator (Phase A,B &C LED) | Meter is connected and A/B/C voltage power on |
| Consumption indicator (PULSE &SO LED) | Flashing at load running |
| Communication indicator | Flashing at communication running |
| Data communication port | M-bus and far infrared(option) |
| Data save | The data can be stored more than 20 years when power off |
M-bus communication specifications:
| Bus type | M-bus |
| Baud rate | 300,2400,9600(default),600,1200,4800,19200, 38400(option) |
| Rage | ≤380m 250PCS ≤3600m 64PCS |
| Downlink signal | Master to slave,Voltage modulation |
| Uplink signal | slave to master,Current modulation |
| Cable | JYSTY (n×2×0.8) |
| Protocol | EN13757-3 |
Electric Energy Meter
