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Product Overview:Sensitive material MQ- 4 gas sensors used in clean air, low conductivity tin oxide (SnO2). When there is an environment in which the combustible gas sensor, conductivity sensor with increasing concentration of combustible gases in air increases. Use simple circuit can convert the ch..

Features: Heating voltage: 5 ± 0.2V (AC · DC) Working current: 5-10mA Detectable concentration range: PH0-14 Detection Temperature range: 0-80 ℃ Response time: ≤5S Settling Time: ≤60S Component Power: ≤0.5W Working temperature: -10 ~ 50 ℃ (nominal temperature 20 ℃) Humidity: 95% RH (nomina..

ACS712 Current Sensor Module, 5A/20A/30A Range Current Detector, Hall Effect Current Sensor ModuleFeatures:1. Accurate Current Sensing: The ACS712 module is equipped with the reliable ACS712ELC-05B current sensor chip, providing accurate measurements of positive and negative currents ranging from 5..

Package Included:1 x Avoidance Sensor Module4 x Infrared Detector..

Various flames, fire detectionModule Features:Flame can be detected or in 760 nanometer wavelength about 1100nm light, lighter flame test distance 80cm, for more flame, the greater the test distance.2, the detection angle of about 60 degrees, particularly sensitive to the flame spectrum3, adjustable..

Float level switch is a simple structure, easy to use level control device, it does not provide power, no complicated circuit, it has a mechanical switch than the average small size, long life and other advantages. As long as the material used in the correct shape and nature of any liquid or press..