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MQ-2 gas sensor sensitive material for clean air with low conductivity tin oxide. When the combustible gas sensor increases the concentration of combustible gas in the environment, the conductivity sensor is used. Fast response and recovery characteristics. Dual signal output (analog output and TTL output). Analog output and increase as the concentration increases, the higher the concentration, the higher the voltage. Very high sensitivity to sulfide, benzene vapor, smoke and other harmful gases.
Colour: blue + silver Material: metal + plastic
Package Contents: 9 * Gas sensor (MQ-2 MQ-3 MQ-4 MQ-5 MQ- 6 MQ-7 MQ-8 MQ-9 MQ-135)
Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
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Time of shipment:
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All of product we can shipping out within 3~8 weekday, on usually we are according to customer orders time for packing and shipment, we need to carefully check the quality of the goods before to Ship, So take some time to handled.
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About tracking number update:
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If your tracking number is no logistics information, as thousands of parcels sent to foreign countries, logistics companies did not update logistics information, please contact us the first time, Please kindly do not directly open the dispute. We are the first time for you to solve!
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Or you can track your parcel on the following website using your tracking number: www.17track.net/en (Copied to the browser to open)
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