SICUBE
10pcs High Sensitivity NDIR Gas Sensors
10pcs High Sensitivity NDIR Gas Sensors
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General Description
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-39 metal socket and has two separate filters: one is
the reference filter and the other is 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.
Technical Data
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 |
KΩ |
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% |
KΩ |
25℃ |
||
NTC β |
3950±1% |
K |
25/50℃ |
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