Exporter three phase three wire LCD multi-function digital meter RS485 communication protocol interface CE certificate
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China [CN] I.Brief introduction for Exporter three phase three wire LCD multi-function digital meter RS485 communication protocol interface CE certificate
This product adopts the most modern microprocessor and digital signal processing technology, which can measure three-phase voltage, current, power, grid frequency and other common power parameters in the power grid. multifunction power meter with RS485 At the same time, it also has electric energy accumulation, energy pulse, cross-line alarm, switch input and output, simulation transmission output and network communication functions. CE approved panel mount programmable switchboard LCD digital power meter. With a friendly man-machine interface.This product has a very high cost performance and can directly replace conventional measuring indicator instruments, energy meters, multi-function network power meters and related auxiliary units. As an advanced intelligent, digital grid front-end acquisition component, which can be applied to various control systems, energy management systems, substation automation, distribution network automation, residential power monitoring, industrial automation, intelligent buildings, intelligent switchboards, In the beginning cabinet, it has the characteristics of convenient installation, simple wiring, convenient maintenance, small engineering quantity and field programmable input parameters.low voltage switchgear use digital panel meter with RS485. It can complete the networking of different PLC and industrial control computer communication software in the industry.
II.Main Technical Instructions, Exporter three phase three wire LCD multi-function digital meter RS485 communication protocol interface CE certificate
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Performance |
Parameters |
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Input measurement display |
Network |
3-phase 3-lines, 3-phase 4-lines three phase digital voltmeter analog output 4-20ma |
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Voltage |
Rated value |
AC100V, 400V(Please indicate when place order) |
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Overload |
Duration:1.2 times Instantaneous: 10 times /10s |
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Power consumption |
＜1VA(Each phase) LED three phase digital voltmeter ammeter combination |
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Impedance |
≥500kΩ |
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Accuracy |
RMS measurement, accuracy 0.5 distribution system electricity single-phase led digital ammeter |
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Current |
Rated value |
AC1A, 5A(Please indicate when place order) |
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Overload |
Duration:1.2 timesInstantaneous:10 times/10s |
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Power consumption |
＜0.4VA(Each phase） portable diesel generator use moving-iron moving-coil analog panel meter |
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Impedance |
＜2mΩ |
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Accuracy |
RMS measurement, accuracy level 0.5 |
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Frequency |
40~60Hz, accuracy 0.1Hz |
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Power |
Active, apparent power accuracy is 0.5, reactive power accuracy is 1.5 |
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Electric energy |
Four-quadrant measurement, active energy accuracy 1.0, reactive energy accuracy 2.0 |
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Display |
Programmable, switching, loop (LCD) display |
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Power supply |
Power supply range |
AC220V AC/DC 85~270v |
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Power consumption |
≤5VA |
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Output |
Digital interface |
RS-485, MODBUS-RTU protocol |
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Pulse output |
2-way energy pulse output, optocoupler isolator |
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Discrete input |
4-way switch input, dry contact mode (optional) |
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Switch output |
4-channel digital input, optocoupler relay (optional) |
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Analog output |
4-channel simulation output, 4~20mA/0~20mA (optional) |
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Environment |
working environment |
-10℃~55℃ |
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Storage environment |
-20℃~75℃ |
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Safety |
Withstand voltage |
Input / Power > 2kV, Input / Output > 2kV, Power / Output > 1kV |
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Insulation |
Input, output, power supply to chassis >50MΩ |
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