MQ-4 Gas Sensor 100% Transaksi Sukses dari 11 Transaksi

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