10000 Piece/Pieces per Week Enough Stock and Reliable Supplier Offer
Packaging & Delivery
Alcohol gas sensing detection alarm sensor for alcohol detector mode MQ3 MQ-3
What is Specifications of our MQ-3 ?
Probe vehicle drivers and other workers of the risks of drink supervision and inspection and other places for ethanol vapor.
Specification
Gas alcohol (ethanol)
Alcohol detection range 10 ~ 1000ppm
Characteristics of gas 125ppm alcohol
Sensitivity R in air / Rin typical gas ≥ 5
Sensing Resistance 1 ~ 20KΩ in air atmosphere
Response time ≤ 10s (70% Response)
Recovery time ≤ 30s (70% Response)
Heating resistor 31Ω ± 3Ω
Heating current ≤ 180mA
Heating voltage 5.0V ± 0.2V
Heating power ≤ 900mW
Measuring voltage ≤ 24V
Working conditions
Ambient temperature: -20 °C ~ +55 °C Humidity: ≤ 95% RH Environmental oxygen content: 21%
Storage conditions
Temperature: -20 °C ~ +70 °C Humidity: ≤ 70% RH
What is Advantages of our MQ-3 ?
Competitive factory price.
Professional purchase team to serve you.
All our productions are checked by QC before shipping.
What is Refund & Replacement of our MQ-3 ?
We provide 30 days warranty for brand new goods only.
If the item you purchase from us are not same as we promised, that is they don't work to manufacturers specifications, model mistake, simply return them to us for replacement or refund.
If the items is defective, pls notify us within 3 working days on receiving it.
Our sales representative will be here always serve for you.
Our Product Line:
Our Certifications:
What is Our Advantages?
We are the professional supplier of the electronic components,located in the biggest components center of the world.
We can provide the one stop purchase service.
As a result, our clients can grow their business by focusing on their sales, ware-housing and distribution while we take care of their China buying.
Client relationship and production management are the key factors that ensure successful China buying. Your account will be managed by our professional project managers.
Fast delivery.
Reasonable price.
Company View:
Trade Terms:
Payment: T/T (Bank Transfer), Western Union,PayPal,Alibaba Escrow.
Delivery Time: 3-7days by DHL/Fedex/TNT,5-10days by EMS,15-30days by Air Mail.Ask the sales for details.
MOQ: Sample order is accepted.
Why Choose us?
We are in the largest electronic market of the world,we have a good working relationship with many supplier,we are focused on the electronic components and accessories.
Alibaba Assessed Gold Supplier.
The buyers from more than 100 countries and regions chose us!
How to Contact US?
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