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MQ-2 (Smoke sensor-HBO, LPG, Alcohol, Propane, Hydrogen, Methane and Carbon Monoxide)
Original price was: ₨320.00.₨300.00Current price is: ₨300.00.
MQ-5 (Gas Sensor module LPG, Natural Gas, Coal Gas)
Original price was: ₨400.00.₨370.00Current price is: ₨370.00.
MQ-4 (Methane Gas Sensor module for Arduino)
Original price was: ₨280.00.₨220.00Current price is: ₨220.00.
Gas sensor MQ4 registers presence and concentration of natural gas and methane (CH4). The best results are given when gas is in liquid form, however, since situations like this are rare, it does its job pretty well when in gas form, too. It needs a bit of time to warm up in order to work correctly.
Description
Description:
The MQ-4-sensitive material used in pure air conductivity is the lower tin dioxide (sno2). When the sensor is present in a medium in which a combustible gas, the conductivity of the sensor increases with the concentration of combustible gases in the air. The use of a simple circuit can be converted into a change in the conductivity of the gas concentration with an appropriate output signal. MQ-4 methane gas sensor for high sensitivity, propane, butane and has good sensitivity. The sensor can detect various flammable gases, especially natural gas, is a low-cost sensor for a wide variety of applications.
For household or factory methane gases, natural gas and other control devices for testing natural gas, methane 300-10000mln-1;
Module Features:
1, using a high-quality two-panel design, with a power indicator and information on the output of the TTL signal;
2, with the possibility of switching the signal of the switch (TTL) and the analogue signal of the AO;
3, TTL The output signal is low. (When the low light output is output, a microcontroller or relay module can be directly connected)
4, analog output voltage, the higher the concentration, the higher the voltage.
5, methane, natural gas has a higher sensitivity to detection.
6, there are four screw holes for easy positioning;
7, Product dimensions: 32 (l) * 20 (w) * 22 (H)
8, with a long service life and reliable stability
9. characteristics of rapid response and recovery
Electrical properties:
Input voltage: dc5V power (current): 150mA
Output: TTL Digital 0 and 1 (0.1 and 5 V)
AO output: 0.1-0. 3 V (relatively clean), the highest concentration of voltage is about 4 V
Special note: the sensor works, it is necessary to warm up about 20 s, the measured data become stable, the fever sensor is normal, because the internal heating wire, if it’s hot is not normal.
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