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Triphase Electric Power Monitor
This series of three-phase power monitor, installed in an embedded way, with beautiful appearance, reliable operation, and convenient field wiring and operation, is a digital power meter with integrating high-precision power parameter measurement, switch input, relay output, analog output, and network communication. And the meter can be widely used in substation integrated automation system, intelligent high and low voltage switch cabinet, low voltage distribution automation system, building and energy monitoring system and other important transformer and distribution .
2. Technical parameter
Technical parameter | Technical index | |
Power parameter | Current | Scope: 0.030~6A, precision: 0.2% |
Voltage | Scope: 9~400V, precision: 0.2% | |
Active power | Scope: 0 ~ 99999999kw, precision: 0.5% | |
Reactive power | Scope: 0 ~ 99999999kvar, precision: 0.5% | |
Power factor | Scope: 0 ~ 0.99, precision: 0.5% | |
Frequency | Scope: 40-60Hz, precision: + 0.01Hz | |
Active energy | Scope: 0～99999999 Mwh, precision: 0.5% | |
Reactive energy | Scope: 0～99999999 Mvarh, precision: 1.0% | |
Apparent energy | Scope: 0～99999999 Mvarh, precision: 0.5% | |
Power pulse output | Pulse output interface (apolegamy) | |
Metering voltage | Three phase four wire 3×57.7V , 3×220V | |
Basic current (Ib) | 1A, 5A, | |
Connection mode | Three phase four wire, scott wiring | |
Input parameter | Passive dry contact | |
Relay output | Passive normally open contact, contact capacity: AC220V/5A, DC30V/5A | |
Analog output | 4~20mA | |
Communication parameter | Communication interface | RS485 interface |
Communication protocol | Protocol between Modbus_RTU and DLT645-2007 | |
Baud rate | 1200bps,2400 bps,4800 bps,9600 bps | |
Data format | 8 data bits, 1 stop bits, no proof | |
Pause test | Response time | ≤4s ≤4s |
Retention time | ≥10 years | |
Operational environment | Ambient temperature | -10°C to +55°C (regular work) |
Ambient humidity | ≤95% | |
Atmospheric pressure | 80～110KPa | |
Altitude | ≤2500 meters | |
Working power supply | Power supply | AC85～265V/DC110～370V |
Power consumption | ≤5W | |
Isolation pressurization | 2KV | |
Power drop | 200ms | |
Insulating property | Electrical strength | More than AC2000V between the shell and the terminal |
Insulating property | More than 100ΜΩbetween the shell and the terminal | |
Shock resistance | 10～55～10Hz 2g 1min | |
Anti-interference | Coincidence with GB/ t17626.8-1998 standard | |
Installation | Embedded installation | |
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