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Spedizione da magazzino Europeo
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Magazzino : Italy
Description:The main chip: LM393, MQ-3 gas sensorOperating voltage: DC3-5VResponse time: ≤10s (70% Response)Recovery time: ≤30s (70% Response)Heating resistance: 31Ω±3ΩHeating Current: ≤180mAHeating Voltage: 5V±0.2VHeating Power: ≤900mWdetect Voltage: ≤15VAmbient Temperature: -10℃ to 65℃,Humidity: ≤95%RHStorage conditions: Temperature:-20℃-70℃,Humidity:≤ 70%RHFeatures: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;Applications:For motor vehicle drivers and other non-drinking and operating personnel on-site testing, also used in other places of ethanol vapor detection, detection of alcohol: detection range of 10 to 1000ppmPackage included:1 x Alcohol module