MQ-4 Gas Sensor

Selamat datang di Toko Kami ^ ^ Description: 1, Size: 32mm X22mm X24mm 2, the main chip: LM393, MQ-4 gas sensor 3, work voltage: DC3-5V 4, with the signal output instructions; 5, dual output (analog output, and TTL level output); 6, TTL output valid signal is low, the microcontroller can be connected directly; 7, 0 ~ 5V analog output voltage, the higher the voltage the higher the concentration; 8, the ethanol vapor with high sensitivity and good selectivity; 9, with a long life and reliable stability; 10, Fast response characteristics; 11, Application: For home or factory methane gas, natural gas and other monitoring devices to test natural gas, methane 300 to 10000ppm