Product Introduction
The SMD1012 hydrogen gas sensor is a semiconductor gas sensor developed based on MEMS technology and can be used to detect the hydrogen gas content in different scenarios.
The sensor is a hydrogen gas sensing material and sensor electrodes are developed and made by IDM independently. When hydrogen gas contacts the sensitive material, the conductivity of the sensing material will change. A specific test circuit can be used to convert the change into an output voltage signal corresponding to the target gas concentration.
Main Applications
Widely used in hydrogen detection in scenarios such as hydrogen alarms and portable gas detectors.
Sensor Characteristics
● Very small size
● Good sensitivity
● High resolution and accuracy to hydrogen
● High sensitivity to hydrogen
● Low power consumption
● 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 to us.
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Product Number |
SMD1012 |
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product Type |
MEMS Semiconductor Sensors |
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Standard Package |
Ceramic Package |
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Detection Gas |
Hydrogen |
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Measurement Range |
0 ~ 1000 ppm ( hydrogen ) |
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Resolution |
1 ppm (hydrogen) |
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Standard Circuit Conditions |
Sensor Voltage |
VC |
≤5 V or 3.3 V DC |
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Heating Voltage |
VH |
1.8 ± 0.05 V AC or DC |
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Load Resistance |
R |
Adjustable (subject to delivery report) |
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Gas Sensor Characteristics Under Standard Test Conditions |
Heater Resistance |
RH |
43 ± 5 Ω (Room temperature) |
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Heating Power Consumption |
PH |
≤ 35 mW |
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Sensor Resistance |
RS |
10～ 500KΩ ( in air) |
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Sensitivity |
S |
R0 (in air)/Rs(in 50 ppm hydrogen ) ≥6 |
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Response ratio |
α |
≤ 0.5 (R 1000 ppm / R 100 ppm hydrogen) |
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Standard Test Conditions |
Temperature Humidity |
2 0 ±2 ℃ 55±5 %RH |
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Preheat Time |
1-3 min |
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Response Time ( T90 ) |
<10 s |
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Recovery Time ( T10 ) |
<60 s |
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Life Time |
≥ 3 years |
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