The PMA 700 series intelligent power parameter measurement instrument is a product of Shanghai Nuoyake Electrical Co., Ltd. It has the function of intelligent power parameter measurement, suitable for measuring voltage and current signals, and more information can be obtained through technical support and official website.
The PMA700 series is a modular intelligent power parameter measuring instrument designed for monitoring and control of power systems. It measures voltage, current, power, energy, harmonics and more, and supports RS‑485 (Modbus), Profibus, Ethernet and optional expansion modules.
The manual provides safety guidelines, installation instructions, detailed description of the front‑panel functions, configuration menus, communication protocols and data storage formats, as well as a parts list and software installation guide. This manual is written in Chinese.
| Operating power supply | 85‑265 VAC/DC (30 VDC input possible) |
|---|---|
| Secondary side voltage range | 0‑690 V line voltage or 0‑400 V phase voltage |
| Operating temperature | -20 °C to 60 °C |
The instrument works with a power supply of 85 V to 265 V AC or DC, and can also accept a 30 V DC input.
It is rated for operation from –20 °C up to 60 °C.
The instrument accepts line voltage up to 690 V (or phase voltage up to 400 V) and current up to 6 A.