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รายละเอียดสินค้า:
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| แบบอย่าง: | MQ-3B | ประเภทเซ็นเซอร์: | สารกึ่งตัวนำ |
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| การห่อหุ้มมาตรฐาน: | หมวกพลาสติก | ก๊าซเป้าหมาย: | แก๊สแอลกอฮอล์ |
| เน้น: | MQ-3B alcohol gas sensor,semiconductor gas sensor,high sensitivity gas detector |
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MQ-3B Gas Sensor Alcohol Gas Sensor Semiconductor Good Sensitivity
Features
It has good sensitivity to alcohol in wide range, and has advantages such as long lifespan, lowcost andsimple drive circuit &etc. Main
Applications
It is widely used in domestic alcohol gas alarm, industrial alcohol gas alarm and portable alcohol detector
Specification:
| Standard Circuit Conditions | Loop Voltage Vc | ≤24V DC |
| Heater Voltage VH | 5.0V±0.1V AC or DC | |
| Load Resistance RL | Adjustable | |
| Sensor character under standard test conditions | Heater Resistance RH | 29Ω±3Ω (room tem.) |
| Heater consumption PH | ≤900mW | |
| Sensitivity S Ro(in air)/Rs | (125ppm C2H5OH)≥5 | |
| Output Voltage Vs | 2.5V~4.0V (in 125ppm C2H5OH) | |
| Concentration Slope α | ≤0.6(R300ppm/R50ppm C2H5OH) |
ผู้ติดต่อ: Xu
โทร: 86+13352990255
Thai
