DIY Professional Smart Home Sensor MQ-2~MQ-135 HOT HXW& UK HHHH IN I3K0 For Sale

DIY Professional Smart Home Sensor MQ-2~MQ-135 HOT HXW& UK HHHH IN I3K0


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DIY Professional Smart Home Sensor MQ-2~MQ-135 HOT HXW& UK HHHH IN I3K0:
$5

Description SensorModel: MQ-2
Gas: smoke
Detection range: 300 to 10000ppmm
Characteristic gas: 1000ppmm isobutane
Sensitivity: R in air/Rin typical gasge5
Sensitive body resistance: 1KOmega to 20KOmega in 50ppm toluene
Response time: le10s
Recovery time: le30s
Heating resistance: 31 Omega plusmn 3 Omega
Heating current: le180mA
Heating voltage: 5.0V plusmn 0.2V
Heating power: le900mW
Measuring voltage: le24V
Working conditions Ambient temperature: -20 deg C ~ +55 deg C
Humidity: le95% RH
Environmental oxygen content: 21%
Storage conditions Temperature: -20 deg C ~ +70 deg C
Humidity: le70%RH
Applications: Household and factory gas leak monitoring devices suitable for detection of liquefied gases, butane, propane, methane, alcohol, hydrogen, fumes, etc.


MQ-3 Sensor
Gas: Alcohol (ethanol)
Detection range: 10 ~ 1000ppm alcohol
Characteristic gas: 125ppm alcohol
Sensitivity: R in air/Rin typical gasge5
Sensitive body resistance: 1 ~ 20KOmega in air
Response time: le10s (70% Response)
Recovery time: le30s (70% Response)
Heating resistance: 31 Omega plusmn 3 Omega
Heating current: le180mA
Heating voltage: 5.0V plusmn 0.2V
Heating power: le900mW
Measuring voltage: le24V
Ambient temperature: -20 deg C ~ +55 deg C
Humidity: le95% RH
Environmental oxygen content: 21%
Storage temperature: -20 deg C ~ +70 deg C
Storage humidity: le70%RH

MQ-5 SensorApplicable gases: liquefied gas, methane, gas
Detection range: 300 ~ 10000ppm
Characteristic gas: 1000ppm isobutane
Sensitivity: R in air/R in typical gasge5
Sensitive body resistance: 1KOmega~20KOmega in 2000ppm isobutane
Response time: le10s
Recovery time: le30s
Heating resistance: 31 Omega plusmn 3 Omega
Heating current: le180mA
Heating voltage: 5.0V plusmn 0.2V
Heating power: le900mW
Measuring voltage: le24V
Ambient temperature: -20 deg C ~ +55 deg C
Humidity: le95% RH
Environmental oxygen content: 21%
Storage temperature: -20 deg C ~ +70 deg C
Storage humidity: le70%RH

MQ-7 Sensor
Product model: MQ-7
Product type : Semiconductor gas sensor
Detection gas: carbon monoxide
Detection concentration: 10-1000ppmCO
Loop voltage: le10V DC
Heating voltage (VH): 5.0V plusmn 0.2V ACorDC (high)
1.5V plusmn 0.1VACorDC (low)
Heating time (TL): 60plusmn1S (high) 90plusmn1S (low)
Load resistance (RL): adjustable
Heating resistance (RH): 31Omega plusmn 3Omega (room temperature)
Heating power consumption (PH): le350mW
Sensitive surface resistance (Rs): 2KOmega-20KOmega (in100ppmCO)
Sensitivity (S); Rs (in air) / Rs (100ppmCO) ge 5
Concentration slope (alpha): le 0.6 (R300ppm/R100ppmCO)
Temperature, humidity: 20 deg C plusmn 2 deg C; 65% plusmn 5% RH
Standard test circuit: Vc: 5.0V plusmn 0.1V; VH (high): 5.0V plusmn 0.1V; VH (low): 1.5V plusmn 0.1V
Warm-up time: no less than 48 hourspackage you for your purchaseProblems?

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● We will arrange shipping for you within 24 Hours after payment cleared except the holidays.

● We always send the item to the address you give us on PAYPAL to ensure the security of the item. If you have changed your address, or want us to ship to another address, please change to the new address when you pay us with PAYPAL, otherwise we will not be responsible if the package is lost.

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Import Duties

In case some duty is due Upon delivery, it is your responsibility to meet that expense and this may cause delays to delivery schedule and you may have to pickup goods at the customs office.

Terms & Conditions

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All shipping and handing charges are non-refundable

Return delivery costs are the responsibility of the buyer. We will cover the cost if sending replacement/repaired items.

Within 7 days after receiving your products, we offers a no-hassle 7 day exchange/replace only if your items are found to be defective by manufacturer.



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