Product Introduction
The SMD1005 ethanol sensor is a micro gas sensor developed based on metal oxide materials using MEMS technology. It can be used to detect the ethanol gas content in the air.
The ethanol gas sensitive material and sensor electrodes are developed and made by IDM independently. When ethanol gas contacts the sensitive material, the conductivity of the sensitive material will change. Using a specific circuit, the change in conductivity can be converted into an output voltage signal corresponding to the gas concentration.
Main Applications
● Alcohol Breathalyzer
● Detect Alcohol device build in mobile phones, computers, cars and other consumer electronics.
Sensor Characteristics
● Very small size
● Low power consumption
● High sensitivity
● Fast response and recovery time
● Simple test circuit
● Good stability
● Long life time
Products Package
Packing quantity: 1 reel = 5000pcs
Packing weight: 1 reel : around 920g
Sensor sensitivity characteristic curve
For more information, Please check our product datasheet or send the consultation to us.
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Product Number |
SMD1005 |
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Product Type |
MEMS Semiconductor Sensors |
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Standard Package |
Ceramic Package |
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Target Gas |
Ethanol C2H5OH |
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Measurement Range |
0 ~ 500 ppm ( ethanol ) |
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Resolution |
0.1 ppm (ethanol) |
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Standard Circuit Conditions |
Sensor Voltage |
VC |
5 V or 3.3 V |
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Heating Voltage |
VH |
1.8±0.05 V DC |
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Load Resistance |
R |
Adjustable (subject to shipping sheet) |
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Gas Sensor Characteristics Under Standard Test Conditions |
Heater resistance |
RH |
4 3 ±5 Ω ( measured at room temperature ) |
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Heating power consumption |
PH |
≤ 36 mW |
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Sensitive body resistance |
RS |
10 ~ 500 KΩ ( tested in air ) |
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Sensitivity |
S |
R0 (in air)/Rs (in 100ppm ethanol ) ≥13 |
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Response ratio |
α |
≤ 0.6 ( R125 ppm / R25 ppm ethanol ) |
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Standard Test Conditions |
Temperature Humidity |
20±2 ℃ 55±5%RH |
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Preheat time |
30 s |
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Response time ( T90 ) |
<15 s |
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Recovery time ( T10 ) |
<60 s |
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Life Time |
≥ 3 years |
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