Product Introduction
SMD1003 carbon monoxide gas sensor is a MEMS micro gas sensor developed based on metal oxide materials. It can be used to detect the carbon monoxide gas content in the air. The sensor has the characteristics of low power consumption, small size and low cost.
The carbon monoxide gas sensitive material and sensor micro-electrodes are developed and made by IDM independently. When target monoxide gas contacts the sensitive material, the conductivity of the material will change. A specific test circuit can be used to convert the change into an output signal corresponding to the gas concentration.
Main Applications
● Household carbon monoxide gas leak alarms
● Gas water heaters
● Vehicle-mounted or industrial gas alarms and
● Portable carbon monoxide gas detector
Sensor Characteristics
● Small size
● Low power consumption
● High sensitivity
● Fast response and recovery time
● Simple test circuit
● Good stability
● Long life time
Sensor Package
Packing quantity: 1 reel = 5000pcs
Packing weight: 1 reel : around 920g
For more information, Please check our product datasheet or send the consultation for us.
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Product Number |
SMD1003 |
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Product Type |
MEMS Semiconductor Sensors |
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Standard Package |
Ceramic Package |
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Target Gas |
Carbon Monoxide (CO) |
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Measurement Range |
0 ~ 500 ppm ( carbon monoxide, line gas) |
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Resolution |
10 ppm |
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Working Temperature |
-20 ～ 55 ℃ |
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Working Humidity |
10 ～ 90 %RH |
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Standard Circuit Conditions |
Sensor Voltage |
VC |
5 V or 3.3 V |
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Heating Voltage |
VH+ |
3.3 ±0.1 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 |
310 ± 20 Ω ( measured at room temperature ) |
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Heating Power |
PH |
≤30 mW |
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Sensor Resistance |
R 0 |
10 ~ 500 KΩ ( tested in air ) |
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Sensitivity |
S |
R 0 (in air)/Rs (in 1 5 0ppm carbon monoxide ) ≥ 3 |
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Response Ratio |
α |
≤ 0.5 ( R 300ppm /R 50ppm carbon monoxide ) |
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Standard Test Conditions |
Temperature & Humidity |
2 0 ±2 ℃; 55±5 %RH |
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Preheat Time |
≥ 5 min |
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Response Time (T90 ) |
<30 s |
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Recovery Time (T10 ) |
<6 0 s |
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Life Time |
≥ 3 years |
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