This oxygen concentrator uses the high-performance Cortex®-M4F from the NuMicro® family as its core, along with the high-efficiency, low-power NuMicro® M487 series microcontroller featuring a DSP instruction set. The system can operate up to 192 MHz, with a dynamic power consumption of only 175 µA/MHz. Its rich interface and multi-channel DMA enable rapid response to the dynamic responses of various sensors. Oxygen concentrators equipped with the M487 MCU can provide timely oxygen supply for various applications, including home use, outdoor activities, high-altitude environments, and automotive applications.

• Feature
  

  -	Oxygen concentration: 93±3%
  -	Oxygen generation method: Pulse oxygen generation
  -	Maximum flow rate: 0.8L/min
  -	Operating noise: ≤ 60 dB(A)
  -	Net weight: 1.7 kg + 15%
  -	Battery cells: 4 cells (21700 cells)

• Specifications
  

  M487 (32-bit Arm® Cortex®-M4F)
  -	Operating frequency up to 192 MHz
  -	Operating voltage: 1.8V to 3.6V
  -	Up to 2.5 MB flash memory
  -	Up to 160 KB RAM, including 32 KB external SPI Flash cache
  -	16-channel DMA for fast data sampling and control, improving real-time performance
  -	GUI: LVGL, emWin
  -	Operating temperature: -40°C to +105°C
  -	EFT 4.4 kV