Figaro TGS2442-B00 TGS 2442 Gas Sensor For Carbon Monoxide Carbon monoxide (Ø x H) 9.2 mm x 12.7 mm TGS2442-B00 Ficha De Dados

Códigos do produto

TGS2442-B00

Revised 07/07

TECHNICAL INFORMATION FOR TGS2442

Technical Information for Carbon Monoxide Sensors

The Figaro TGS2442 sensor is a new type

thick film metal oxide semiconductor,

screen printed sensor which offers

miniaturization and utilizes pulse heating

for achieving low power consumption.

The TGS2442 displays high selectivity to

carbon monoxide together with improved

humidity dependency and durability.

Basic Information and Specifications Page

Features..................................................................................................2

Applications...............................................................................................2

Structure...........................................................................................2

Basic Measuring Circuit...........................................................................2

Circuit & Operating Conditions...............................................................3

Mechanical Strength..............................................................................3

Dimensions...................................................................................................3

Operation Principle......................................................................................................4
Typical Sensitivity Characteristics

Sensitivity to Various Gases............................................................5

Temperature and Humidity Dependency.............................................5

Gas Response Pattern.................................................................................6

Heater Voltage Dependency...........................................................................6

Initial Action.........................................................................................7

Inﬂuence of Unenergized Storage...............................................................7

Reliability

Interference Gas Test......................................................................................8

Long-Term Stability................................................................................9

Corrosion Test...........................................................................................9

Variable Ambient Temperature Test...............................................................9

Humidity Test.............................................................................................10

Stability Tests..................................................................................................10

Circuit Examples

Basic Circuit Including Trouble Detection...............................................11

Calibration and Temperature Compensation.............................................11

Marking and Packaging..................................................................................................13
See also Technical Brochure “Technical Information on Usage of TGS Gas Sensors

for Explosive/Toxic Gas Alarming”.

an ISO9001/14001 company

IMPORTANT NOTE: OPERATING CONDITIONS IN WHICH FIGARO SENSORS ARE USED WILL VARY

WITH EACH CUSTOMER’S SPECIFIC APPLICATIONS. FIGARO STRONGLY RECOMMENDS CONSULT-

ING OUR TECHNICAL STAFF BEFORE DEPLOYING FIGARO SENSORS IN YOUR APPLICATION AND,

IN PARTICULAR, WHEN CUSTOMER’S TARGET GASES ARE NOT LISTED HEREIN. FIGARO CANNOT

ASSUME ANY RESPONSIBILITY FOR ANY USE OF ITS SENSORS IN A PRODUCT OR APPLICATION FOR

WHICH SENSOR HAS NOT BEEN SPECIFICALLY TESTED BY FIGARO.

TGS2442 is a UL recognized component in accordance with the

requirements of UL2034. Please note that component recognition test-

ing has conﬁrmed long term stability in 15ppm of carbon monoxide; other

characteristics shown in this brochure have not been conﬁrmed by UL as

part of component recognition.