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NR1900 series three-phase AC/DC standard source

The NR1900 series three-phase AC/DC standard source is a high-end standard source signal product launched based on relevant national power industry standards and instrument calibration regulations, systematic analysis of the current research level of electrotechnical technology at home and abroad, and market conditions. It provides stronger support for instrument products and will push China's instrument and meter products to a new level.


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Product patent

Product description

Product Introduction
  The NR1900 series three-phase AC/DC standard source is a high-end standard source signal product launched based on relevant national power industry standards and instrument calibration regulations, systematic analysis of the current research level of electrotechnical technology at home and abroad, and market conditions. It provides stronger support for instrument products and will further propel the development of China's instrumentation products to a new level.
 
Main Features
  ◆ Integrates system, testing, and signal generation into one module. The product features high integration, low failure rate, small size, light weight, fast response speed, high efficiency, high reliability, strong functionality, and high output power; standard source output.
  ◆ The output AC/DC voltage, current, phase, and power are all high-precision, high-stability standard sources, with software calibration.
  ◆ It adopts high-speed AC sampling, high-speed digital signal processor (DSP), complex programmable logic array (CPLD), high-power integrated amplifier, and embedded computer system design. It integrates system, testing, and signals to a high degree, resulting in small size, light weight, extremely high reliability, and extremely strong functionality.
  ◆ It can be widely used to test various indicators of digital instruments, indicating instruments, electricity meters, current transformers, digital measurement and control devices, transducers, AC sampling devices, negative control terminals, power consumption management terminals, concentrators, reactive power compensation controllers, and other electronic products.
  ◆ The output frequency of the AC/DC standard source can be adjusted arbitrarily with a granularity of 0.0001Hz. The phase shift between three-phase voltages, three-phase currents, and between each phase voltage and current can be arbitrarily adjusted with a granularity of 0.001°.
  ◆ It adopts a high-definition large-screen TFT true color LCD interface display, mouse, keyboard, and panel buttons for simple and user-friendly operation design, full Pinyin Chinese input system, and has multiple communication interfaces. The communication protocol is open, and users can program and control the instrument for secondary development.
 
Technical Parameters
  ◆ AC Voltage Output
  Range: 380V, 220V, 100V, 57.735V
  Accuracy: 0.05%RG
  ◆ AC Current Output
  Range: 20A, 5A, 2A, 1A
  Accuracy: 0.05%RG
  ◆ DC Voltage Output
  Range: (1000V, 600V, 300V), 150V, 75V, 30V, 10V, 1V, 200mV, 75mV. The values in parentheses are optional ranges. 1V, 200mV, and 75mV should use a four-wire output method.
  Accuracy: 0.05%RG
  ◆ DC Current Output
  Range: (25A), 20A, 5A, 1A, 200mA, 100mA, 20mA, 10mA, 1mA, (100uA, 10uA). The values in parentheses are optional ranges.
  Accuracy: 0.05%RG
 
 

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