NDIR Gas Sensor

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NDIR Gas Sensor STG-HA11-F4.26

Overview

The NDIR gas sensor can measure the CO2 gas concentration through the change of the resistance value of the internal thermistor. The product is packaged in a TO-46 metal socket and a narrow bandpass filter for the CO2 gas band. The sensor integrates electronic components such as thermopile chips and thermistor, with high reliability and high sensitivity.


Feature


Features:

TO-46 Package

High sensitivity

NTC Thermistor Compensation

Fast response

4.26μm narrowband filter

Application:

Indoor Air Monitoring

Central ventilation system

In-car air purification

    Industrial gas measurement

 


Datasheet

Parameter

Min.

Typ.

Max.

Unit

Conditions

Chip size


1.1×1.1


mm2


Sensitive area


0.35×0.35


mm2


Thermopile resistance

80

98

115

Temp=25

Noise voltage

36±2

nV/ Hz1/2

Temp=25

NEP


0.23


nW/Hz1/2

Blackbody=500K,1Hz@25

Responsivity

134

164

194

V/w

Blackbody=500K,1Hz@25

Temp. coefficient of resistance


0.06


%/

Temp=25 75

Time constant


≤ 13


ms


Specific detectivity


1.51×108


cmHz1/2/w

Blackbody=500K,1Hz@25

NTC Resistance


100±3%


25

NTC β


3950±1%


K

25/50


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Tel.: +86-755-82594732

E-mail: sales.sz@nysenba.com

E-mail: sales.sz@nysenba.com

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SENBA Sensing Technology Co.,Ltd., was founded in 2005, with the focus on producing the top quality photoelectric components, such as PIR sensors, Photoresistors,Light Sensors, Flame detectors etc. Our strategic goal is to master the core technology.