ShenzhenYijiajie Electronic Co., Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 5000pcs |
| Delivery Time | 3-5work days |
| Packaging Details | Paper box |
| Model | MQ-7B MQ-7 |
| Sensor Type | Semiconductor |
| Standard Encapsulation | Plastic cap |
| Target Gas | carbon monoxide |
| Detection range | 10～500ppm CO |
| Loop Voltage | 5.0V±0.1V DC |
| Model Number | MQ-7B MQ-7 |
| Place of Origin | CN |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 5000pcs |
| Delivery Time | 3-5work days | Packaging Details | Paper box |
| Model | MQ-7B MQ-7 | Sensor Type | Semiconductor |
| Standard Encapsulation | Plastic cap | Target Gas | carbon monoxide |
| Detection range | 10～500ppm CO | Loop Voltage | 5.0V±0.1V DC |
| Model Number | MQ-7B MQ-7 | Place of Origin | CN |
| High Light | MQ-7B Carbon Monoxide Gas Sensor ，Professional Carbon Monoxide Gas Sensor ，Industrial Applications Carbon Monoxide Gas Sensor | ||
MQ-7B MQ-7 Carbon Monoxide Gas Sensor for Industrial Applications
1. Applications:
2. Features:
| Parameter | Symbol | Value | Remarks |
|---|---|---|---|
| Circuit Voltage | VC | 5 V ± 0.1 V (AC or DC) | |
| Heating Voltage (High) | VH(H) | 5 V ± 0.1 V (AC or DC) | |
| Heating Voltage (Low) | VH(L) | 1.4 V ± 0.1 V (AC or DC) | |
| Load Resistance | RL | Adjustable | |
| Heating Resistance | RH | 33 Ω ± 5% (at room temperature) | |
| Heating Time (High) | TH(H) | 60 ± 1 s | |
| Heating Time (Low) | TH(L) | 90 ± 1 s | |
| Heating Consumption | PH | About 350 mW | |
| Operating Temperature Range | Tao | -20 °C - 50 °C | |
| Storage Temperature Range | Tas | -20 °C - 50 °C | It is recommended to store at 0 °C - 20 °C |
| Operating Humidity Range | RH | < 95% rh | Non - condensing |
| Oxygen Concentration | O2 | 21% (standard condition) | The minimum value is over 2%, and oxygen concentration can affect sensitivity |
| Detecting Range | 20 ppm - 2000 ppm (Carbon Monoxide) | Some sources also mention 10 - 10000 ppm | |
| Sensitive Resistance | RS | 2 k - 20 k (in 100 ppm CO) | |
| Sensitivity | ≥3% | ||
| Response Time | ≤1 s | ||
| Recovery Time | ≤30 s | ||
| Size | 35x20x11 mm (or other dimensions in different sources) |
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2006
Total Annual:
900000-1000000
Employee Number:
50~80
Ecer Certification：
Verified Supplier
Yijiajie Electronics is a full range of silicon pressure sensors from the United States, FREESCALE/, GE, MEAS, SMI, and a full range of sensing and control products from the United States pressure, temperature and humidity, gas flow, current, Hall effect, etc., Japan HAMAMATSU flame, UV sensors, ph... Yijiajie Electronics is a full range of silicon pressure sensors from the United States, FREESCALE/, GE, MEAS, SMI, and a full range of sensing and control products from the United States pressure, temperature and humidity, gas flow, current, Hall effect, etc., Japan HAMAMATSU flame, UV sensors, ph...
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