Multi functional measuring instrument for power monitoring and control

SD42-EY3 SD96-EZ1Multi functional power monitoring and measuring instrument

● Transmission output: Supports 1 analog output: 0/4~20mA or 0~5/10V, ● Storage temperature: -25 ℃~+70 ℃, ● Frequency: 0.02Hz, ● Frequency: 45~65Hz, ● Power pulse output: 2 power pulse outputs, ● Operating range: AC/DC: 80V~270V, ● Power factor: 0.5 level, ● Power consumption: Voltage:<1VA/phase, ● Current:<0.4VA/phase, ● Rated voltage: AC 57.7V, AC 100V, AC 220V, AC 380V, ● Rated current: AC 1A, AC 5A, ● Current: 1.2 times (continuous), 10 times/5 seconds (instantaneous), ● Current<20m Ω, ● Reactive power: Level 1, ● Wiring method: Three phase four wire, Three phase three wire, Single phase

31. Supports switch input, switch output, analog transmission output, and power pulse output
34. Wide range AC/DC universal power supply: AC/DC 80V~270V
6. Programmable current and voltage conversion ratio
22. Positive and negative active/reactive energy measurement and high demand statistics
30. Supports 2-channel RS-485 communication and Modbus RTU protocol
23. Multi rate electricity statistics, with 4 different rates for 12 time periods
5. The menu is intuitive and the button operation is simple
18. Provide multi loop control nodes for alarm, trip, and other control functions
19. Provide leakage current monitoring for multiple circuits
14. Switch input module (optional configuration): Optional 4-channel switch status input monitoring and remote signaling
13. Switch output module (optional configuration): Optional 4-channel switch output, programmable automatic or remote control switch output
16. Easy installation, simple wiring, and small engineering quantity
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
9. Easy installation, simple wiring, and small engineering quantity
12. Suitable for complete monitoring and management of electrical parameters in various incoming circuits and large capacity distribution circuits
11. Complete the networking of various communication software in SCADA and PLC
26. Measure the 2-63rd harmonic components and total harmonic content (THD) of voltage and current
29. Large screen, high-definition graphic dot matrix LCD display

Intelligent three-phase voltmeter, can directly measure and display AC voltage: 0-500V; can be equipped with voltage transformers, and the transformation ratio can be set arbitrarily.
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