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Manual: https://www.renhotecic.com/image/download/pdf/20190121013943mq131.pdfDescription: Brand:Renhotec Type: CJMCU-131Package included: 1 x CJMCU-131 MQ131 Ozone Concentration Sensor ,,,,,,..
$54.00
Ex Tax:$54.00
>>>Manual: Click here to open1000ppm Package Included: 1 x MICS-6814 Air Quality Detector Gas Sensor Module..
$38.99
Ex Tax:$38.99
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Description:More information: Click here to open Module size: 15mm*21mmCJMCU-8118 gas sensor, on chip system chip (SSoC) + temperature and humidity sensor, uses low power sensing technology to detect volatile organic compounds (VOCs).CJMCU8118 onboardCCS811The structure diagram we can see th..
$23.99
Ex Tax:$23.99
Description: 1. Size: 32mm x 22mm x 22mm2. The main chip: LM393, MQ-3 gas sensor3. Work voltage: DC3-5V4. 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..
$19.99
Ex Tax:$19.99
Features : - Sensitive material MQ135 gas sensor is used in clean air low conductivity tin oxide (SnO2). When the sensor is kept in their environment In the polluting gases , the conductivity sensor with increasing air pollution in gas concentration increases. - Using a simple circuit can change th..
$24.99
Ex Tax:$24.99
Features:1. Using high-quality dual-panel design, with power indicator and TTL signal output instructions 2. there are four screw holes for easy positioning 3. Analog output voltage with the higher concentration of higher voltage 4. TTL output valid signal is low. (Low-level signal when the output l..
$15.47
Ex Tax:$15.47
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Specification:
- The gas sensing material used in the MQ-4 gas sensor is tin dioxide (SnO2) with low conductivity in clean air.
- When there is a flammable gas in the environment where the sensor is located, the conductivity of the sensor increases as the concentration of flammab..
$19.99
Ex Tax:$19.99
Features : - Sensitive material MQ-5 gas sensor is used to clean the air in the lower conductivity of tin dioxide (SnO2). When there is the environment in which the combustible gas sensor , conductivity sensor with increasing concentration of combustible gases in air increases . - Using a simple c..
$21.99
Ex Tax:$21.99
10Pcs MQ-7 MQ7 CO Carbon Monoxide Gas Sensor Module For Specification:Detection range: 10 to 1000ppmmCharacteristic gas: 100ppmm COSensitive resistance: 2KΩ to 20KΩ in 100ppm COSensitivity: ≥ 3%Response time: ≤ 1sRecovery time: ≤ 30sHeating resistance: 31Ω ± 3ΩHeating current: ≤ 180mAHeating voltage..
$21.62
Ex Tax:$21.62
Features : - Sensitive material MQ-9 gas sensor is used to clean the air in the lower conductivity of tin dioxide (SnO2). - Detection method using low temperature cycling (1.5V heating ) to detect carbon monoxide, conductivity sensors with carbon monoxide in the air increased with increasing gas ..
$24.99
Ex Tax:$24.99
Description: Size: approx. 32 x 22 x 27mm Main chip: LM393, ZYMQ-3 gas detector Working Voltage: DC 5V With signal output instructions. Two-way signal output (TTL level output and analog output). TTL output effectively signal for low level(when the output low level signal lights, can d..
$20.99
Ex Tax:$20.99
Description: 1. Size: 32mm x 22mm x 22mm 2. The main chip: LM393, MQ-3 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..
$9.99
Ex Tax:$9.99