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KPM51Multifunction meter-Technical parameters |
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Working power source |
Operating Voltage |
AC85~265V/DC80~300V |
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Rated power |
＜3VA |
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Input voltage |
Rated voltage |
220V |
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Sill value |
5V |
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Overload capacity |
1.2 times rated voltage allowed, continuous work; 2 times the rated voltage allowed 1second |
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Power consumption |
＜0.5VA/phase（rated） |
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Measurement range |
5~260VAC， |
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Frequency range |
45~65Hz |
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Input current |
Rated current |
Default 5A，Input range 1-6A；Optional 1A，Input range 1-1.2A |
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Sill value |
5A Configuration，5mA；1A Configuration，0.8mA |
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Overload capacity |
1.2 times rated current allowed, continuous work; 20 times the rated current allowed 1 second |
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Power consumption |
＜0.75VA/phase（Rated current 5A）；＜0.25VA/phase（Rated current 1A） |
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Frequency range |
45~65Hz |
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Input/Output |
Switch value input |
2-way passive main line contact DI input, internal supply DC24V power source |
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Relay output |
2-way DO output，Contact capacity 250VAC/5A，30VDC/5A |
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Analog output |
Output range 4~20mA，overload allows 1.2times |
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Temperature input |
Measure range 0℃~100℃ |
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Measurement accuracy |
Voltage |
±0.2%(0.01V) |
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Current |
±0.2%(0.01A) |
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Active power |
±0.5%(0.1W) |
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Reactive power |
±2.0%(0.1kvar) |
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Active energy |
±0.5%(0.1kWh) |
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Reactive energy |
±2.0%(0.1kvarh) |
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Power factor |
±0.5%(0.001) |
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Frequency |
±0.02Hz(0.01Hz) |
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Temperature |
±1℃（1℃） |
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Communication |
Communication interface |
RS485，Photoelectric isolation interface |
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Communication protocol |
Modbus-RTU，1200~38400bps |
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Electrical insulation |
Power frequency withstand voltage |
AC2kV/min~1mA Input-output-power source （GB/T 13729） |
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Insulation resistance |
＞50MΩ （GB/T 13729） |
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Impact voltage |
5kV（Peak），1.2/50us （GB/T 13729） |
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Working environment |
Operating temperature |
-25℃ ~ +70℃ |
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Relative humidity |
5%~95% No condensation |
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Storage temperature |
-30℃ ~ +75℃ |
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Altitude |
No more than 4000m |
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Electromagnetic Compatibility |
Surge (Shock) Immunity |
GB/T 17626.5-2008，Level4 |
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Electrical fast burst immunity |
GB/T 17626.4-2008，Level4 |
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Electrostatic discharge immunity |
GB/T 17626.2-2006，Level4 |
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Power frequency magnetic field immunity |
GB/T 17626.8-2006，Level4 |
Microcomputer Protection