Multi functional digital power meter electronic meter

PD204E-2S4 PD204E-9H4Multi functional digital power meter Multi functional electronic meter

● Reactive power: 0.5 level, ● Storage temperature: -25 ℃~+70 ℃, ● Frequency: 0.02Hz, ● Frequency: 45-65Hz, ● Communication interface: 1 RS-485 communication, Modbus RTU protocol, ● Capacity: AC 250V/5A, DC 30V/5A, ● Insulation resistance:>100M Ω, ● Active power: 0.5 level, ● Current:<20m Ω, ● Current:<0.4VA/phase, ● Current: 0.2 level, ● Baud rate: 2400-19200bps, default 9600 bps, ● Switch input: supports 2 or 4 dry node inputs, ● Reactive energy: 1 level, ● Active energy: 0.5S level, 0.2S Grade

4. Provide digital tube or LCD display, local data query
34. Wide range AC/DC universal power supply: AC/DC 80V~270V
7. Supports RS-485 communication and Modbus RTU protocol
21. High precision measurement of electrical parameters such as three-phase voltage, three-phase current, active power, reactive power, apparent power, power factor, frequency, etc
25.12 months of historical energy data storage
29. Large screen, high-definition graphic dot matrix LCD display
37. Conductive silicone button, with good tactile feel, long lifespan, reasonable design, and easy operation
3. Measure the 2-32nd harmonic components and total harmonic content (T) of voltage and current
22. Positive and negative active/reactive energy measurement and high demand statistics
19. Provide leakage current monitoring for multiple circuits
2. Positive and negative active/reactive energy metering, and high demand statistics
26. Measure the 2-63rd harmonic components and total harmonic content (THD) of voltage and current
27. Voltage and current sequence components, voltage and current imbalance, voltage peak coefficient (CF), telephone harmonic factor (THF), current K coefficient, current percentage content, voltage flicker
9. Easy installation, simple wiring, and small engineering quantity
6. Programmable current and voltage conversion ratio
31. Supports switch input, switch output, analog transmission output, and power pulse output
17. Can complete networking of various communication software in SCADA and PLC
36. In conjunction with powerful data management software, real-time sampling data can be directly uploaded to the backend management computer for more comprehensive and rapid processing in the background

Multi functional instrument is a multifunctional smart meter with programmable measurement, display, digital communication, and power pulse transmission output functions. It can complete power measurement, power metering, data display, acquisition, and transmission, and can be widely used in substation automation, distribution automation, intelligent buildings, internal power measurement, management, and assessment of enterprises. The measurement accuracy is 0.5 level, and the MODBUS-RTU communication protocol is used to achieve LED on-site display and remote RS-485 digital interface communication.
Widely used for measuring and displaying three-phase three wire or three-phase four wire voltage or three-phase current parameters of various instruments and electromechanical equipment, it is an updated product of various pointer gauges
The three-phase full power metering instrument is designed and manufactured based on relevant standards and the actual needs of power users. It is a cost-effective intelligent power monitoring module. Using RS485 for easy networking can greatly reduce system costs, facilitate on-site wiring, and provide system reliability. It can measure voltage, electricity, power, frequency, power factor, etc. Adopting high-performance microprocessors, anti-interference design, stable and reliable performance. It has the functions of demand, positive and negative active energy, negative reactive energy, and phase separation metering, as well as harmonic measurement.
The power quality analyzer is positioned as a multifunctional, portable measurement and analysis instrument It can monitor conventional power quality information such as voltage, current, and frequency, as well as perform harmonic analysis on signals, draw THD curves, detect voltage three-phase imbalance, and detect amplitude modulation waves and flicker In terms of hardware, a portable industrial control computer is adopted, which is embedded with a data acquisition card, a signal preprocessing card, and multiple voltage and current transformers This structure makes it have the characteristics of simple hardware circuit, easy implementation, small overall size, and easy portability In terms of software, a graphical interface and algorithm software with virtual instrument style was developed using Visual C++5.0, and a virtual device driver program was developed to respond to Windows 95 interrupts for data collection, integrating hardware and software organically In terms of detection methods, synchronous sampling technology is adopted for the detection of voltage and current signals, thereby eliminating the phenomenon of 'leakage error' that occurs during FFT transformation in conventional sampling; Especially in the detection of amplitude modulated waves and flicker