PWM PM2.5 Infrared Dust Sensor Module M501A Air Detection Sensor Air Quality Tester

Features: PWM pulse width is adjusted to output Principle of particle counting Sensitive detection of particles larger than 1 micron in diameter Built-in heater for automatic air intake Application: Air freshener Air conditioner Air quality detector Ventilation equipment Parameter: Operating voltage range: DC50.5V Output mode: PWM pulse width modulation The output voltage: Low level (when there are particles): 0.7V (max.1V) High level (when clean air): 4.5V (min.4V) Minimum particle detection capability: 1um Size: 59*45*17mm Weight: 25g Detection range: 15000 / 283ml Working current (maximum): 90mA Humidity range: Storage environment: 0-99% RH Working environment: 0-95%RH temperature range: Storage environment: -20 C to 80 C Working environment: -10 C to 60 C Stabilization time: about 1 minute after the heater is turned on Package includes: 1 x PWM Air Quality Tester