MQ3 MQ-3 Alcohol decector sensor Module for Arduino

Sensor ini cocok digunakan untuk mendeteksi konsentrasi kadar ALchohol di udara secara langsung. Keluaran dari sensor berupa teganggan analog yang sebanding dengan ALchohol yang diterima. Spesifikasi - The main chip: LM393, MQ-3 gas sensor - Operating voltage: DC3-5V - Response time: 10s (70% Response) - Recovery time: 30s (70% Response) - Heating resistance: 313 - Heating Current: 180mA - Heating Voltage: 5V0.2V - Heating Power: 900mW - Detect Voltage: 15V - Ambient Temperature: -10 to 65, - Humidity: 95%RH - Storage conditions: Temperature:-20-70,Humidity: 70%RH Features: - Signal output instructions; - Dual signal output (analog output, and TTL level output) - TTL output valid signal is low, can be connected directly to the microcontroller - 0 ~ 5V analog output voltage, the higher the concentration the higher the voltage - Has a high sensitivity and good selectivity to ethanol vapor - Has a long life and reliable stability - Rapid response recovery characteristics