| Part Number | MQ138 |
| Manufacturer | Hanwei |
| Title | Semiconductor Sensor |
| Description | MQ138 Semiconductor Sensor for Organic Steam Sensitive material of MQ138 gas sensor is SnO2, which with lower conductivity in clean air. When the... |
| Features |
Bakelite)
Detection Gas
Toluene, Acetone, Ethanol, H2
Concentration
5-500ppm
Circuit
Loop Voltage Heater Voltage
Load Resistance
Vc VH
RL
≤24V DC 5.0V±0.2V AC or DC
Adjustable
Heater Resistance
RH
31Ω±3Ω（Room Tem.）
Character
Heater cons...
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| Datasheet |
 MQ138 Datasheet
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