1pcs MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke Methane Liquefied Gas air quality Alcohol Sensor Module
MQ-3 Alcohol sensor
$10.04
Sale price
$10.04
Regular price
$0.00
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1pcs MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke Methane Liquefied Gas air quality Alcohol Sensor Module
$10.04
Sale price
$10.04
Regular price
$0.00
Description
SPECIFICATIONS
Brand Name: NONE,Estardyn
High-concerned chemical: none
Origin: Mainland China
MQ-2 Sensor
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Model: MQ-2
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Gas: smoke
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Detection range: 300 to 10000ppmm
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Characteristic gas: 1000ppmm isobutane
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Sensitivity: R in air/Rin typical gasge5
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Sensitive body resistance: 1KOmega to 20KOmega in 50ppm toluene
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Response time: le10s
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Recovery time: le30s
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Heating resistance: 31 Omega plusmn 3 Omega
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Heating current: le180mA
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Heating voltage: 5.0V plusmn 0.2V
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Heating power: le900mW
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Measuring voltage: le24V
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Working conditions Ambient temperature: -20 deg C ~ +55 deg C
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Humidity: le95% RH
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Environmental oxygen content: 21%
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Storage conditions Temperature: -20 deg C ~ +70 deg C
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Humidity: le70%RH
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Applications: Household and factory gas leak monitoring devices suitable for detection of liquefied gases, butane, propane, methane, alcohol, hydrogen, fumes, etc.
MQ-3 Sensor
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Gas: Alcohol (ethanol)
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Detection range: 10 ~ 1000ppm alcohol
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Characteristic gas: 125ppm alcohol
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Sensitivity: R in air/Rin typical gasge5
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Sensitive body resistance: 1 ~ 20KOmega in air
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Response time: le10s (70% Response)
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Recovery time: le30s (70% Response)
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Heating resistance: 31 Omega plusmn 3 Omega
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Heating current: le180mA
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Heating voltage: 5.0V plusmn 0.2V
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Heating power: le900mW
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Measuring voltage: le24V
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Ambient temperature: -20 deg C ~ +55 deg C
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Humidity: le95% RH
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Environmental oxygen content: 21%
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Storage temperature: -20 deg C ~ +70 deg C
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Storage humidity: le70%RH
MQ-7 Sensor
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Product model: MQ-7
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Product type : Semiconductor gas sensor
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Detection gas: carbon monoxide
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Detection concentration: 10-1000ppmCO
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Loop voltage: le10V DC
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Heating voltage (VH): 5.0V plusmn 0.2V ACorDC (high)
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1.5V plusmn 0.1VACorDC (low)
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Heating time (TL): 60plusmn1S (high) 90plusmn1S (low)
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Load resistance (RL): adjustable
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Heating resistance (RH): 31Omega plusmn 3Omega (room temperature)
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Heating power consumption (PH): le350mW
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Sensitive surface resistance (Rs): 2KOmega-20KOmega (in100ppmCO)
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Sensitivity (S); Rs (in air) / Rs (100ppmCO) ge 5
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Concentration slope (alpha): le 0.6 (R300ppm/R100ppmCO)
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Temperature, humidity: 20 deg C plusmn 2 deg C; 65% plusmn 5% RH
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Standard test circuit: Vc: 5.0V plusmn 0.1V; VH (high): 5.0V plusmn 0.1V; VH (low): 1.5V plusmn 0.1V
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Warm-up time: no less than 48 hours
MQ135 Sensor
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Product model: MQ135
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Product Type: Semiconductor Gas Sensor
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Detection gas: ammonia, sulfide, benzene vapor
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Detection concentration: 10-1000ppm (ammonia, toluene, hydrogen)
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Loop voltage (Vc): le24V DC
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Heating voltage (VH): 5.0V plusmn 0.2V ACorDC
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Load resistance (RL): adjustable
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Heating resistance (RH): 31 Omega plusmn 3 Omega (room temperature)
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Heating power consumption (PH): le900mW
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Sensitive surface resistance (Rs): 2KOmega-20KOmega (in 100ppm NH3)
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Sensitivity (S): Rs (in air) / Rs (100ppm NH3) ge 5
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Concentration slope (alpha): le 0.6 (R100ppm/R50ppmNH3)
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Temperature, humidity: 20 deg C plusmn 2 deg C; 65% plusmn 5% RH
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Standard test circuit: Vc: 5.0V plusmn 0.1V; VH: 5.0V plusmn 0.1V
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Warm-up time: no less than 48 hours
Free Shipping Over $199
- Standard Shipping: Standard Shipping (12–18 Business Days)
- Express Shipping: Expedited Shipping (5–9 Business Days)
- Free Shipping: Orders over $199 qualify automatically
- Tracking: Full tracking number provided for all orders
30-Day Return Policy
- Returns: 30-day hassle-free return window
- Condition: Items must be unused and in original packaging
- Refund: Full refund processed within 3-5 business days
Why Choose Us?
- Factory Direct: ISO/TS 16949 certified manufacturer
- Quality: 100% electrical continuity tested before shipment
- Experience: 15+ years in automotive connector industry
- Support: Professional technical support available
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