MQ138 Organic Vapor Sensor with 5.0V±0.1V Operation and 30Ω±3Ω Heating Resistance for Gas Detection
Price:
Negotiable
MOQ:
1
Delivery Time:
3-5Workingdays
Brand:
Winsen
Product Description
MQ138 Organic Vapor Sensor Overview
The MQ138 gas sensor utilizes tin dioxide (SnO2) sensing material, which exhibits low conductivity in clean air environments. When organic vapors are present, the sensor's conductivity increases proportionally with vapor concentration, enabling precise gas detection through simple circuit conversion.
Key Features & Applications
- High sensitivity to toluene, acetone, ethanol, and formaldehyde
- Effective hydrogen and organic vapor monitoring capabilities
- Cost-effective solution for multiple application scenarios
- Reliable performance across various organic vapor detection requirements
Technical Specifications
| Parameter | Specification |
|---|---|
| Loop Voltage (Vc) | 5.0V±0.1V DC |
| Heating Voltage (VH) | 5.0V±0.1V AC or DC |
| Load Resistance (RL) | Adjustable |
| Heating Resistance (RH) | 30Ω±3Ω (room temperature) |
| Heating Power Consumption (PH) | ≤950mW |
| Sensitivity | Rs(in air)/Rs(in 50ppm toluene)≥2 |
| Output Voltage (△Vs) | 0.5V (in 50ppm toluene) |
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Company
ShenzhenYijiajie Electronic Co., Ltd.
Location
Room 3306AB 33rd Floor, SEG Plaza,Huaqiang North Road, Futian District, Shenzhen Guangdong Province 518028
Contact Person
Xu