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  • Writer's pictureTeam Adsentec

Alphasense NDIR Sensors

Updated: Jun 25, 2022

Products:

IRM-AT Methane sensor:

Range

0–2.5 %

0–100 %*

Accuracy

< +/- 500 ppm

< +/- 1 %vol

Resolution at Zero

< 200 ppm

< 300 ppm

Resolution at range

< 400 ppm

< 2.5 %vol

Zero repeatability

< +/- 500 ppm

< +/- 1000 ppm

FS repetability

< +/- 0.1 %vol

< +/- 2 %vol

Limit of detection

< 500 ppm

< 1000 ppm

* NOTE: due to the incandescent IR source within the sensor, this device should NOT be used for applications where there is a possibility of the presence or formation of an explosive mixture of methane and/or other flammable gases with an oxidant such as air.


IRC-AT CO2 sensor (thermopile)


IRC-A1 CO2 sensor (pyroelectric):

Range (Application)

Accuracy (%FS, using universal linearization coefficients)

Zero Resolution (ppm)

FS Resolution

Zero Repeatability (ppm)

FS Repeatability (ppm)

0–5,000 ppm (IAQ)

1

1

15 ppm

+/- 10

+/- 50

0–5 %vol (Safety)

1.5

1

100 ppm

+/- 10

+/- 500

0–20 %vol (Combustion)

2.5

1

500 ppm

+/- 10

+/- 2500

0–100 %vol (Process Control)

4

1

0.5 %vol

+/- 10

+/- 5000








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