MQ-3 Semiconductor alcohol sensor, alcohol tester
| Min. Order: | 200 Piece/Pieces |
|---|---|
| Trade Term: | FOB |
| Payment Terms: | T/T, WU |
| Supply Ability: | 2.000.000pcs per month |
| Place of Origin: | Henan |
Company Profile
| Location: | Zhengzhou, Henan, China (Mainland) |
|---|---|
| Business Type: | Manufacturer, Trading Company |
| Main Products: | Gas Sensor, Gas Module, Gas Alarm |
Product Detail
| Means of Transport: | Ocean, express, Air |
|---|---|
| Output: | Analog Sensor |
| Theory: | Resistance Sensor |
| Usage: | Gas Sensor |
| HS Code: | 85319010 |
| Sensor type: | Semiconductor |
| Application: | alcohol tester |
| Cover: | Metal or plastic |
| Production Capacity: | 2.000.000pcs per month |
| Packing: | 1000 or 5000pcs per carton |
| Delivery Date: | 2 weeks for 10.000pcs |
Product Description
Product Specifications /Features
MQ-3 gas sensor has high sensitity to Alcohol, and has good resistance to disturb of gasoline and vapor. The sensor could be used to detect alcohol with different concentration, it is with low cost and suitable for different application.
Model No.: MQ-3
Sensor Type: Semiconductor
Standard Encapsulation: Bakelite (Black Bakelite)
Detection Gas: Alcohol gas
Concentration: 0.04-4mg/l alcohol
Circuit Loop Voltage Vc: ≤24V DC
Heater Voltage VH: 5.0V±0.2V AC or DC
Load Resistance RL: Adjustable
Character Heater Resistance RH: 31Ω±3Ω(Room Tem. )
Heater consumption PH: ≤900mW
Sensing Resistance Rs: 2KΩ-20KΩ(in 0.4mg/l alcohol )
Sensitivity S: Rs(in air)/Rs(0.4mg/L Alcohol)≥5
Slope α: ≤0.6(R300ppm/R100ppm Alcohol)
Condition: Tem. 20℃±2℃; Humidity 65%±5%RH
Standard test circuit Vc: 5.0V±0.1V;
VH: 5.0V±0.1V
Preheat time: Over 48 hours
Competitive Advantages
Well and High Quality Control ,
Prompt Delivery ,
Competitive Prices ,
Small Order Acceptable
Buyer Keywords
alcohol sensor, gas sensor, alcohol tester