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PAS vs NDIR: A comprehensive comparison

Watch a detailed comparison of two high-performing gas-sensing technologies, Photoacoustic Spectroscopy (PAS) and Non-Dispersive Infrared (NDIR). Find out which one leads the way in indoor air quality sensing and how they differ in performance.

8/7/2025 9:26:36 PM

Part List

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
SHIELD_XENSIV_ASHIELD_XENSIV_ASHIELD_XENSIV_A5 - Immediate$69.91View Details
SENSOR CARBON DIOXIDE I2C OUTPUTPASCO2V01AUMA3SENSOR CARBON DIOXIDE I2C OUTPUT300 - Immediate$27.81View Details
PASCO2V15AUMA1PASCO2V15AUMA1PASCO2V15AUMA1435 - Immediate$17.74View Details
EVAL BOARDEVALCO25VSENSOR2GOTOBO1EVAL BOARD28 - Immediate$36.39View Details
EVAL BOARDEVALCO25VMINIBOARDTOBO1EVAL BOARD37 - Immediate$22.13View Details
XENSIV PAS CO2 SHIELD2GO BOARDSHIELDPASCO2SENSORTOBO1XENSIV PAS CO2 SHIELD2GO BOARD2 - Immediate$61.70View Details
EVAL BRDEVALPASCO2MINIBOARDTOBO1EVAL BRD80 - Immediate$29.29View Details
EVAL BRDEVALPASCO2SENSOR2GOTOBO1EVAL BRD10 - Immediate$83.94View Details

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Related Product Highlight

XENSIV™ PAS CO2 5 V Sensor Infineon compact and highly accurate photoacoustic spectroscopy (PAS)-based gas sensors for precise CO₂ measurement and improved energy efficiency.
Arduino™-Compatible XENSIV™ Sensor Shield The Infineon XENSIV™ Sensor Shield for Arduino® enables seamless hardware interoperability between multiple Infineon MCUs and sensors.
XENSIV™ PAS CO2 5 V Kits Infineon's XENSIV™ PAS CO2 5 V is a real CO2 sensor based on photoacoustic spectroscopy technology. Two boards are available for evaluation and prototyping.