Specifications
Brand Name :
..
Model Number :
SIP-3 MQ303B MQ303
Certification :
..
Place of Origin :
..
MOQ :
1PCS
Payment Terms :
T/T, Western Union, MoneyGram,Paypal
Supply Ability :
1000pcs/month
Packaging Details :
carton package
Status :
New and Original
Description

MQ303B is a tin dioxide semiconductor type alcoholgas sensor, With high sensitivity and rapid response to alcohol, suitable for portable alcohol detectors and automotive fire systems and so on.

Sensor characteristics

High sensitivity

Fast response recovery

Long life, low power consumption

Small size

main application

Thegas sensorCan be widely used in portable alcohol detectors and car ignition system

Technical indicators

Product number MQ303B
product type Semiconductor gas sensor
Standard package Metal package
Detection of gas alcohol
Detection of concentration 20-1000ppm alcohol
Standard circuit conditions Heating voltage V H 0.9V ± 0.1V AC or DC
Circuit voltage VC ≤ 6V DC
Load Resistance R L Adjustable
Heating resistance RH 4.5W ± 0.5 W (room temperature)
Heating current IH 120 ± 20mA
heating power PH ≤ 140 mW
Characteristics of Gas Sensors under Standard Test Conditions Component power consumption PS ≤ 10 mW
Sensitive body surface resistance RS 4KΩ-400KΩ (in air)
Sensitivity S Rs (in air) / Rs (125 ppm alcohol) ≥3
Concentration slope Α 0.50 ± 0.15 (R300ppm/ R100ppmalcohol)
Standard test conditions temperature humidity 20 ° ± 2 °;
65% ± 5% RH
Standard test circuit Vc: 3.0 V ± 0.1 V DC;
VH: 0.9 V ± 0.1 V DC
Warm up time Not less than 48 hours

Note: Product parameters are subject to change without notice

Send your message to this supplier
Send Now

Free shipping by Registered Air Mail Original new in stock SIP-3 MQ303B MQ303 Semiconductor Alcohol Gas Sensor

Ask Latest Price
Brand Name :
..
Model Number :
SIP-3 MQ303B MQ303
Certification :
..
Place of Origin :
..
MOQ :
1PCS
Payment Terms :
T/T, Western Union, MoneyGram,Paypal
Contact Supplier
Free shipping by Registered Air Mail Original new in stock SIP-3 MQ303B MQ303 Semiconductor Alcohol Gas Sensor

Fast Electronics Co., Ltd

Active Member
9 Years
guangdong, guangzhou
Since 5
Business Type :
Manufacturer, Distributor/Wholesaler, Exporter, Seller
Total Annual :
50000-100000
Employee Number :
50~100
Certification Level :
Active Member
Contact Supplier
Submit Requirement