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Current Sensor ACS712 5AMPS
Original price was: ₹275.00.₹250.00Current price is: ₹250.00. inc. GST
AM2302 WIRED MODULE
Original price was: ₹799.00.₹749.00Current price is: ₹749.00. inc. GST
MQ303 Sensor
Original price was: ₹410.00.₹360.00Current price is: ₹360.00. inc. GST
- Gas: Alcohol ( ethanol )
- Detection range : 20 to 1000ppm
- Characteristics of gas: 125ppm alcohol
- Sensitivity: R in air / Rin typical gas 3
- Sensing Resistance: 4 to 400K in air atmosphere
- Response time : 10s (70% Response)
- Recovery time : 30s (70% Response)
- Heating resistor: 4.5 Ω ± 0.5 Ω
- Heating current: 130mA
- Heating voltage : 0.9V ± 0.10V
- Heating power: 130mW
- Measure the voltage: 24V
- concentration range: 20 to 10,000 ppm
- Working conditions :
- – Ambient temperature : -20 ~ +55
- – Humidity: 95% RH
- – Environmental oxygen content: 21%
- Storage conditions :
- – Temperature : -20 ~ +70
- – Humidity: 70% RH
- High sensitivity
- Fast response and resume
- Long life and low cost
- For ethanol, vapour has high sensitivity and good selectivity
- Simple drive circuit
- Dimensions: 60mm x90mm x9mm
- Weight: 5g
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Description
A GAS sensor or a GAS Detector is defined as a chemical sensor that detects/measures the concentration of gas in its vicinity. A gas sensor is a simple drive circuit that interacts with gas to measure concentration. This sensor offers a wide range of applications in various industries ranging from medicine to aerospace. Various technologies adopted to measure Gas concentration such as semiconductors, oxidation, catalytic, infrared, etc. Thus the MQ303 model is ideal for alcohol detection such as portable breath alcohol checker or ignition locking system in automobiles.
MQ303 is a Tin oxide semiconductor sensor designed explicitly for Alcohol detection. It offers very good sensitivity and fast response to alcohol. When the target gas contains the content of alcohol, the sensor’s conductivity is higher alongside the gas concentration rising. As MQ-303 gas sensor offers high sensitivity to Alcohol and has good resistance to disturb gasoline, smoke, and vapour. This sensor provides an analogue resistive output supported alcohol concentration.
The resistance varies inside the sensor on the detection of alcohol. Therefore more the alcohol content exhibits the lower the resistance. Thus the alcohol content is measured by measuring this resistance. As a result, the sensor and load resistor in the module form a potential divider, and therefore the lower the sensor resistance, the upper the voltage reading is going to be.
APPLICATIONS
- Process control industries
- Environmental monitoring
- Boiler control
- Fire detection
- Alcohol breath tests
- Detection of harmful gases in mines
- Home safety
- Grading of agro-products like coffee and spices
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