PD354 LED Meter
P354 series multifunction power meter can measure voltage, current, frequency, power, power factor, electric energy and harmonic content. It also has the functions of switch status measuring, out-of-limit warning, relay output, analog transmission, electric energy pulse measuring and communication. As an advanced intelligent and digital power grid front-end acquisition component, the meter can be used in energy management systems, distribution automation, intelligent buildings and intelligent switch cabinets. It has a variety of wiring methods, easy to use, and can meet various on-site claims.
Technical parameters
| Electrical Specification | |||
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Measurement accuracy |
Voltage, current |
0.5% |
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Power |
0.5% |
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Frequency |
±0.02Hz |
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Active electric energy |
IEC62053-22 0.5S grade |
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Reactive electric energy |
IEC62053-23 1grade |
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Data fresh cycle |
1s |
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Input specification |
Wiring method |
3P3W、3P4W |
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voltage |
Rating |
220/380V AC |
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Overload |
1.2Un |
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Power loss |
≤0.2VA |
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Impedance |
≥1MΩ |
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current |
Rating |
1A or 5A |
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Overload |
Continuous 1.2In |
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Momentary 10In/3s |
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Power loss |
≤0.2VA |
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Impedance |
≤20mΩ |
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Power grids frequency |
50±5%Hz |
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Power supply |
Working range |
AC / DC（85～265）V |
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Power dissipation |
≤ 0.5VA |
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Electric energy pulse |
2 channels photoelectric isolation output, pulse width（80±20%）ms |
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Switching signal input |
Dry contact input，isolation voltage 2000VAC |
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Relay output |
Contact capacity AC 250V/5A or DC 30V/5A |
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href=”#/javascript:;” Isolation voltage 2500VAC |
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Analog output |
Accuracy grade 0.5% |
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Load resistance ≤300Ω |
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| Communication Specification | |||
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RS485communication interface |
Modbus-RTU protocol, maximum Baud rate 19200bps |
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| Mechanical Specification | |||
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IP grade |
IP30 |
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| Environment Specification | |||
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Operating Temperature |
-15℃~+50℃ |
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Storage Temperature |
-30℃~+70℃ |
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Relative Humidity |
20%~95%（Without Condensation） |
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Pollution Degree |
2 |
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Measurement Category |
CAT III, in (277/480)V AC power distribution system |
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Insulating Capacity |
Between signal, power supply and output≥2kV AC |
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| EMC | |||
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ESD |
IEC 61000-4-2-III |
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RS |
IEC 61000-4-3-III |
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EFT |
IEC 61000-4-4-III |
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Surge |
IEC 61000-4-5-III |
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CS |
IEC 61000-4-6-III |
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Magnetic |
IEC 61000-4-8-III |
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Voltage Dip |
IEC 61000-4-11-III |
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Product characteristic
*Real-time power quality analysis, display each phase’s total harmonic distortion (THD) and fractional harmonic ratio of voltage and current.
*Three rows LED display.
*Access the signal from voltage and current transformers directly, input parameters transformation ratio on the spot by programming.
*Pass the EMC test (severity 4).
*Easy installation, simple wiring, convenient maintenance, small quantities and programmable setting on the spot.
