Features
- Voltage, bidirectional current, apparent power, power factor, active energy, reactive energy, and power are all measured.
- multi-rate energy statistics with four tariffs and up to eight time slots per day.
- 12-month power statistics function historical data.
- 5-63A rated current.
- One collector active pulse output passive optical coupler.
- Modbus connection by default over an RS485 port. Wi-Fi communication is optional.
- LCDs show a wide range of power metrics and data.
- Data is permanently saved during a power outage thanks to the integrated clock and maintenance-free battery.
- magnetic retention relay with a large capacity and load on/off control.
Application
- All power parameter measurement;
- Energy measurement and electrical fire monitor and control;
- Replacing the three-phase power meter, three phase electricity transmitter;
- Transformers, generators, capacitors and electric motors distributed detection;
- Medium and low pressure systems;
- SCADA, EMS, DCS integrators.
Specification
| KPM31Multifunction meter-Technical parameters | ||
| Input voltage | Rated voltage | AC 110V/220V |
| Overall power consumption | ＜5VA/ | |
| Frequency range | 45~65Hz | |
| Input current | Rated current | 1,5（6）A，10（60）A,20(100)A |
| Frequency range | 45~65Hz | |
| Measurement accuracy | Voltage | ±0.2%(0.01V) |
| Current | ±0.2%(0.01A) | |
| Active power | ±0.5%(0.1W) | |
| Reactive power | ±2.0%(0.1kvar) | |
| Active energy | ±0.5%(0.1kWh) | |
| Reactive energy | ±2.0%(0.1kvarh) | |
| Power factor | ±0.5%(0.001) | |
| Frequency | ±0.02Hz(0.01Hz) | |
| Clock | Clock accuracy | <0.5S/D |
| Communication | Communication interface | RS485，Photoelectric isolation interface |
| Electrical insulation | Communication protocol | Modbus-RTU，1200~38400bps |
| Power frequency withstand voltage | AC2kV/min~1mA Input-output-power source （GB/T 13729） | |
| Insulation resistance | ＞50MΩ （GB/T 13729） | |
| Impact voltage | 5kV（Peak），1.2/50us （GB/T 13729） | |
| Working environment | Operating temperature | -25℃ ~ +70℃ |
| Relative humidity | 5%~95% No condensation | |
| Storage temperature | -30℃ ~ +75℃ | |
| Altitude | No more than 4000m | |
| Electromagnetic Compatibility | Surge (impact) immunity | GB/T 17626.5-2008，Level4 |
| Electrical fast burst immunity | GB/T 17626.4-2008，Level4 | |
| Electrostatic discharge immunity | GB/T 17626.2-2006，Level4 | |
| Power frequency magnetic field immunity | GB/T 17626.8-2006，Level4 | |
