Main parameters: 1, The optical principles, capable of detecting dust particles of 1 micron or more; 2, Two output modes, solve different sensitivity requirements, high level output signal Vout clean environment (4V); 3, 5 VDC power supply; 4, Detecting particles Range: Up to 8000pcs/283ml (1um more particles) Feature PWM pulse width modulation output Particle counting principle Sensitive detection of particles of a diameter of 1 m or more Built-in heater intake air can be automatically Small size and light weight Easy to install and use Application Air Purifier Air conditioner Air quality monitor Ventilation equipment