Resistors

Carbon Film Resistors

Cement Resistors

Chassis Mount Resistors

Chip Resistor - Surface Mount

Current Sense Resistors

Fusible Chip Resistor

High Precision & Low TCR SMD Resistors

High Voltage Resistor

LED Strip Resistors

MELF Resistor

Metal Alloy Resistors

Metal Film Resistor (TH)

Metal Glaze Resistors

Metal Oxide Film Resistors

Metal Oxide Resistors

NTC Thermistors

PTC Thermistors

Photoresistors

Potentiometers & Variable Resistors

Precision Potentiometer

Resistor Networks & Arrays

Resistor Networks & Arrays (TH)

Ultra Low Resistors (SMD)

Variable Resistors

Varistors

Wirewound Resistors

Capacitors

Aluminum Electrolytic Capacitors - Leaded

Aluminum Electrolytic Capacitors - SMD

CBB Capacitors

CL21 Capacitor

Ceramic Disc Capacitors

High Voltage Capacitors

Metallized Polyester Film Capacitor

Multilayer Ceramic Capacitors MLCC - Leaded

Multilayer Ceramic Capacitors MLCC - SMD/SMT

Mylar Capacitor

Niobium Oxide Capacitors

Polyester Film Capacitors

Solid Polymer Electrolytic Capacitor

Supercapacitors & Ultracapacitors

Suppression Capacitors

Tantalum Capacitors

Trimmers, Variable Capacitors

Inductors & Ferrite Beads & Transformers

Antennas

Current Transformers

General Inductors (TH)

HF Inductors

Inductors (SMD)

LINE Filter

Power Inductors

Power Transformer

RJ45 Transformer

Radial Inductor (TH)

The circular inductors

Crystals

49S

49SMD

49U

Ceramic Resonators

DIP Oscillators(XO)

Radial Cylinder Crystals

SAW Resonators

SMD Crystals

SMD Oscillators(XO)

Connectors

AV Connectors

Audio & Video Connectors

Banana and Tip Connectors

Card Edge Connectors

Circular Connectors

Connector - Card Sockets

Connectors

Connectors - Accessories

Connectors - Housings

Contacts

D-Sub Connectors

Ethernet Connectors/Modular Connectors

FFC, FPC (Flat Flexible) Connectors

Fiber Optic Connectors

IC & Component Sockets

LED Light Pipes

Mezzanine Connectors (Board to Board)

PCB Connectors - Headers, Male Pins

PCB Connectors - Headers, Receptacles, Female Sockets

PCB Connectors - Housings

Power Connectors

RF Connectors/Coaxial Connectors

Shunts & Jumpers

Terminal Blocks - Accessories

Terminal Blocks - Barrier Blocks

Terminal Blocks - Din Rail, Channel

Terminal Blocks - Headers, Plugs and Sockets

Terminals

Test Clips

Test Points/Test Rings

USB Connectors

Unspecified Connectors

Screw-type wiring

Spring-type wiring

Pluggable Terminal Blocks

Through-wall Terminal Blocks

Sign In

3.Enter "account center"->"My inquiries" and check the status of your inquiries

Dear customers, due to the implementation of the GDPR policy in Europe, UTSOURCE has also made adjustment accordingly to meet the policy requirements. Please read the new privacy policy carefully and this window will no longer pop up after you accept it.

I agree all UTSOURCE Terms & Conditions,Privacy Statement
Agree Later Submit

Multi-item searching

Search results filter:

Home > Sensors > Gas Sensor

Combustible Gas SensorAlcohol SensorHydrogen SensorCO2 SensorCO SensorAmmonia SensorFormaldehyde Sensor
relate product result :23 items No matching goods? Inquiry here.

Product Information

Product Description Encapsulation / Brand

Price

Seller

Arduino MQ-3 alcohol sensor/ red, with white terminals

S$4.82710

S$4.53747

More: Inquiry

Favorite

UTSOURCE
66794

5.0 out of 5 stars

1 star 0.1%
2 star 0%
3 star 0.2%
4 star 0.3%
5 star 99.3%
MQ-135 Air Quality Detection Module for Harmful Gas

≥1:

S$4.70631

S$4.42393

≥5:

S$3.76505

S$3.53914

≥10:

S$2.82378

S$2.65436

More: Inquiry

Favorite

UTSOURCE
66794

5.0 out of 5 stars

1 star 0.1%
2 star 0%
3 star 0.2%
4 star 0.3%
5 star 99.3%
MQ - 2 smoke & gas sensor module/ liquefied gas & natural gas module/ smoke module/ red

S$3.86167

S$3.62997

More: Inquiry

Favorite

UTSOURCE
66794

5.0 out of 5 stars

1 star 0.1%
2 star 0%
3 star 0.2%
4 star 0.3%
5 star 99.3%
MQ-2 SMOKE SENSOR MODULE

≥1:

S$3.97897

S$3.74023

≥5:

S$3.18032

S$2.98950

≥10:

S$2.38168

S$2.23878

More: Inquiry

Favorite

UTSOURCE
66794

5.0 out of 5 stars

1 star 0.1%
2 star 0%
3 star 0.2%
4 star 0.3%
5 star 99.3%
KEYES Sensor Series /ARDUINO MQ-3  Alcohol Sensor

≥1:

S$4.70631

S$4.42393

≥5:

S$3.76505

S$3.53914

≥10:

S$2.82378

S$2.65436

More: Inquiry

Favorite

UTSOURCE
66794

5.0 out of 5 stars

1 star 0.1%
2 star 0%
3 star 0.2%
4 star 0.3%
5 star 99.3%
KEYES MQ-7 CARBON MONOXIDE SENSOR (WITH SOLDERING PAD-HOLE)

≥1:

S$5.23398

S$4.91995

≥5:

S$4.19289

S$3.94132

≥10:

S$3.13754

S$2.94929

More: Inquiry

Favorite

UTSOURCE
66794

5.0 out of 5 stars

1 star 0.1%
2 star 0%
3 star 0.2%
4 star 0.3%
5 star 99.3%
ARDUINO SENSOR, MQ-2 SMOKE SENSOR RED WITH WHITE TERMINAL

≥1:

S$3.66522

S$3.44530

≥5:

S$2.93788

S$2.76160

≥10:

S$2.19628

S$2.06450

More: Inquiry

Favorite

UTSOURCE
66794

5.0 out of 5 stars

1 star 0.1%
2 star 0%
3 star 0.2%
4 star 0.3%
5 star 99.3%
keyes MQ-135 Air Quality Sensor (with soldering pad-hole)

S$3.71314

S$3.49035

More: Inquiry

Favorite

UTSOURCE
66794

5.0 out of 5 stars

1 star 0.1%
2 star 0%
3 star 0.2%
4 star 0.3%
5 star 99.3%
MQ-3 Ethanol Sensor Module Alcohol Detection

S$3.34184

S$3.14133

More: Inquiry

Favorite

UTSOURCE
66794

5.0 out of 5 stars

1 star 0.1%
2 star 0%
3 star 0.2%
4 star 0.3%
5 star 99.3%
ZE08-CH2O Manual Formaldehyde Detection Module

S$40.43206

S$38.00614

More: Inquiry

Favorite

UTSOURCE
66794

5.0 out of 5 stars

1 star 0.1%
2 star 0%
3 star 0.2%
4 star 0.3%
5 star 99.3%
keyes MQ-4 Natural Gas and Mathane Sensor (with soldering pad-hole)

S$3.71314

S$3.49035

More: Inquiry

Favorite

UTSOURCE
66794

5.0 out of 5 stars

1 star 0.1%
2 star 0%
3 star 0.2%
4 star 0.3%
5 star 99.3%
MQ-8 Hydrogen Detection Module

S$3.29645

S$3.09866

More: Inquiry

Favorite

UTSOURCE
66794

5.0 out of 5 stars

1 star 0.1%
2 star 0%
3 star 0.2%
4 star 0.3%
5 star 99.3%
keyes MQ-3 Alcohol Sensor (with soldering pad-hole)

S$3.71314

S$3.49035

More: Inquiry

Favorite

UTSOURCE
66794

5.0 out of 5 stars

1 star 0.1%
2 star 0%
3 star 0.2%
4 star 0.3%
5 star 99.3%
keyes MQ-2 Smoke Sensor (with soldering pad-hole)

S$3.71314

S$3.49035

More: Inquiry

Favorite

UTSOURCE
66794

5.0 out of 5 stars

1 star 0.1%
2 star 0%
3 star 0.2%
4 star 0.3%
5 star 99.3%
keyes MQ-6 Liquefied Gas and Isobutane Sensor (with soldering pad-hole)

S$3.71314

S$3.49035

More: Inquiry

Favorite

UTSOURCE
66794

5.0 out of 5 stars

1 star 0.1%
2 star 0%
3 star 0.2%
4 star 0.3%
5 star 99.3%
MH-Z19B NDIR CO2 Sensor For Indoor Air Quality

S$61.88579

S$58.17264

More: Inquiry

Favorite

UTSOURCE
66794

5.0 out of 5 stars

1 star 0.1%
2 star 0%
3 star 0.2%
4 star 0.3%
5 star 99.3%
MQ-7 CO Sensor Module

S$3.50687

S$3.29646

More: Inquiry

Favorite

UTSOURCE
66794

5.0 out of 5 stars

1 star 0.1%
2 star 0%
3 star 0.2%
4 star 0.3%
5 star 99.3%
keyes MQ-8 Hydrogen Sensor (with soldering pad-hole)

S$3.71314

S$3.49035

More: Inquiry

Favorite

UTSOURCE
66794

5.0 out of 5 stars

1 star 0.1%
2 star 0%
3 star 0.2%
4 star 0.3%
5 star 99.3%
MG811 Solid Electrolyte CO2 Gas Sensor

S$39.19434

S$36.84267

More: Inquiry

Favorite

UTSOURCE
66794

5.0 out of 5 stars

1 star 0.1%
2 star 0%
3 star 0.2%
4 star 0.3%
5 star 99.3%
keyes MQ-5 Natural Gas and Coalgas Sensor (with soldering pad-hole)

S$3.71314

S$3.49035

More: Inquiry

Favorite

UTSOURCE
66794

5.0 out of 5 stars

1 star 0.1%
2 star 0%
3 star 0.2%
4 star 0.3%
5 star 99.3%
<<<1 2 >>>
Sign In

New customer?Start here.

Total products:

Total sales:

Average lead time:

Delivery times (Express):50

Delivery times (Post office): 30

Global payments

Global logistics

footShip

Copyright © 2019 Power by UTSOURCE HOLDING COMPANY LIMITED