Figaro TGS-3870 gas sensor (Ø x H) 9.2 mm x 13 mm TGS-3870 Datenbogen

Produktcode
TGS-3870
Seite von 13
Revised 08/12
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TECHNICAL INFORMATION FOR TGS3870
Technical Information for Combination Methane and 
Carbon Monoxide Sensors
The Figaro TGS3870 sensor is a 
new small bead-type metal oxide 
semiconductor. The sensor ’s 
miniature size and cyclic heater 
operation  enable its single 
sensing element to be highly 
selective to both carbon monoxide 
and methane and to show low 
power consumption.
S p e c i f i c a t i o n s                                                 P a g e
 Features..................................................................................................2
 Applications...............................................................................................2
 Structure...........................................................................................2
Specifications.............................................................................................3
Dimensions...................................................................................................3
 
Standard Test Conditions........................................................................4
 
Basic Measuring Circuit...................................................................................4
Basic Sensitivity Characteristics
 
Sensitivity to Various Gases............................................................4
 
Temperature Dependency..................................................................5
 
Humidity Dependency...................................................................6
 
Gas Response......................................................................................6
 
Initial Action...................................................................................7
 
Long-Term Stability...............................................................................7
Reliability
 
False Alarm Test................................................................................................8
Influence of Silicone Gas...............................................................................9
 
Corrosion Test...............................................................................................10
 
Variable Ambient Temperature Test............................................................11
 
Temperature Cycle Test.................................................................................12
Cautions...................................................................................................................12
See also Technical Brochure “Technical Information on Usage of TGS Gas Sensors 
for Explosive/Toxic Gas Alarming”.
an ISO9001 company
IMPORTANT NOTE: 
OPERATING CONDITIONS IN WHICH FIGARO SENSORS ARE USED WILL VARY 
WITH EACH CUSTOMER’S SPECIFIC APPLICATIONS. FIGARO STRONGLY RECOMMENDS CONSULTING 
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.
TGS3870 is a UL recognized component in accordance with the 
requirements of UL2075.
  Please note that component recognition 
testing has confirmed long term stability in 60ppm of methane and 15ppm 
of carbon monoxide; other characteristics shown in this brochure have not 
been confirmed by UL as part of component recognition.