Complaint
RS485 serial communication.
The meter uses RS485 serial port and Modbus RTU communication protocol to provide remote monitoring and control functions, in addition, the 485 serial communication parameters can be modified through the menu.
Pulse output.
This instrument provides two pulse outputs for measuring active and reactive energy. The pulse setting parameters can be set through the setup menu.
LCD Display:
| No. | Content |
| 1 | 7-digit display of measured values and time |
| 2 | Total parameters |
| 4 | Input and output parameters |
| 5 | Maximum demand |
| 6 | Pulse output 1, 2 |
| 7 | Units of measurement parameters |
| 8 | PF=Power Factor Hz=Frequency |
| 9 | Power display bar |
| 10 | Communication indication |
| 11 | Time marker |
| 12 | Low voltage warning |
| 13 | Lockout marker |
| Parameters | Value | ||
| Access Type | Direct Access | ||
| Voltage | Rated Voltage | 230V | |
| Voltage Range | 176~276V AC | ||
| Current | Rated Current | 10A | |
| Max. current | 100A | ||
| Min. current | 0.5A | ||
| Starting current | 0.4% of Rated current | ||
| Accuracy Class | Voltage, current | ±0.5% | |
| Power | ±1% | ||
| Power Factor | ±1% | ||
| Frequency | ±0.2% | ||
| Electricity | ±1% | ||
| Frequency | 45Hz~65Hz | ||
| Pulse constant | 1000imp/kWh | ||
| EMC electromagnetic compatibility test | Electrostatic discharge immunity test | GB/T 17626.2-2006:test level 4 | |
| RF electromagnetic field immunity test | GB/T 17626.3-2006:test level 3 | ||
| Fast transient pulse group test | GB/T 17626.4-2008:test level 4 | ||
| Surge (shock) immunity test | GB/T 17626.5-2008:test level 4 | ||
| RF field induction conducted harassment immunity test | GB/T 17626.6-2008:test level 3 | ||
| Parameters | Value | ||
| Applicable grid | 3 phase 4 wires, 3 phase 3 wires | ||
| Working power | Voltage range | AC/DC85~265V;DC18V~72V(Optional) | |
| Power consumption | <5VA | ||
| Accuracy Class | Active Power Class 1, others Class 0.5 | ||
| Input | Voltage | Rated | AC 100V,220V,400V |
| Overload | 1.2 times continuous, 2 times (10s) | ||
| Power consumption | <0.4VA/Phase | ||
| Impedance | ≥200kΩ | ||
| Current | Rated | AC 5A(0.02A-6A) | |
| Overload | 1.2 times continuous, 10 times (10s) | ||
| Power consumption | <0.2VA/Phase | ||
| Impedance | ≥0.1Ω | ||
| Frequency | 45Hz~65Hz | ||
| Switching input | Dry contact input, photoelectric isolation | ||
| Output | Switching output | Relay output(Volume:5A/250VAC,5A/30VDC);
can set any alarming power, default remote control | |
| Analog output | 0~20mA/0~5V(Can be set) | ||
| Digital communication interface | RS485/Modbus-RTU | ||
| Pulse output | 1~2 channels electrical energy pulse,Four-quadrant power metering | ||
| Harmonics | Voltage, current total harmonics | ||
| Voltage, current 2-31th sub-harmonic | |||
| Environment
| Temperature | Operation temperature: -20ºC~55ºC, Storage: -25ºC~70ºC | |
| Humidity | ≤90%RH, non-condensing, no corrosive air | ||
| Altitude | ≤2500m | ||
| Insulation resistance | ≥100MΩ | ||
| Frequency withstand voltage | 2kV/1min (test voltage is AC rms, between input/shell/power supply) | ||
| IP Class | IP40(Panel IP52) | ||
| Average trouble-free operation time | ≥50000h | ||
| EMC electromagnetic compatibility test | Electrostatic discharge immunity test | GB/T 17626.2-2006:test level 4, test voltage 8kV | |
| RF electromagnetic field immunity test | GB/T 17626.3-2006:test level 3, test field strength of 10V / m | ||
| Fast transient pulse group test | GB/T 17626.4-2008:test level 2, current voltage 1kV, other 500V | ||
| Surge (shock) immunity test | GB/T 17626.5-2008:test level 4, test voltage 4kV | ||
| RF field induction conducted harassment immunity test | GB/T 17626.6-2008:test level 3, test field strength of 10V / m | ||
| Voltage transients, short interruptions and voltage changes in the immunity test | GB/T 17626.11-2008:current and voltage test error qualified | ||
| Oscillation wave immunity test | GB/T 17626.12-1998:Class B ITE test, qualified | ||
