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MENGAPA BERBELANJA DI TOKO KAMI
1. Quick Respond.. OK
2. Quick Delivered.. OK
3. Packed Safely.. OK
Main chip: LM393, MQ-7 gas sensor.
Operating voltage: DC 3-5V.
with the signal output indication.
the dual signal output (analog output, and TTL level output).
TTL output valid signal is low level, can connected to microcontroller directly.
0 ~ 5V analog output voltage, the higher concentration the higher voltage.
with high sensitivity and good selectivity for CO.
with a long service life and reliable stability.
rapid response and recovery characteristics.
size: 36mm*24mm*17mm(L * W * H)
For CO gas detect, CO detection range: 10 ~ 1000ppm.
MQ-7 Sensor Specifications:
Detecting Range: 10 to 1000ppm
Sensitivity: R in air/R in typical gas5
Response Time150s(70% Response)
Recovery Time150s(70% Response)
Heating Power about 350mW
Ambient Temperature-20 55
Environment oxygen content: 21%
Temperature: -20 to 70
1 x MQ-7 Sensor Module