Air Quality Sensors – Mouser Hong Kong

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INIR2 Digital Gas Sensors

Amphenol SGX Sensortech INIR2 Digital Gas Sensors are user-friendly digital gas sensors that use non-dispersive infrared technology. These gas sensors are designed to detect refrigeration leakage in industrial and residential environments. The INIR2 gas sensors are developed with the generation of power-efficient cortex^® microcontrollers with high flexibility and functionality. The INIR2 gas sensors feature temperature compensation, good accuracy, low-voltage DC power supply, and simple implementation into the end-user system. Typical applications include agriculture, indoor air quality, waste management, environments with varying pressure, automation and control and industrial health and safety.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.	Type	Sensor Type	Measuring Range - Max	Output Type	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Output Voltage	Mounting Style	Series
Air Quality Sensors Digital Infrared Gas Sensor - gen2 - Methane - 0-5%(EX-d) - Pressure Compensated INIR2-ME5-PC Amphenol SGX Sensortech 1: HK$2,006.34 2In Stock	Mfr. Part No. INIR2-ME5-PC Mouser Part No 523-INIR2ME5PC	Amphenol SGX Sensortech	Air Quality Sensors Digital Infrared Gas Sensor - gen2 - Methane - 0-5%(EX-d) - Pressure Compensated Learn More about Amphenol SGX Sensortech amphenol sgx inir2 gas sensors	Datasheet	2In Stock	HK$2,006.34 HK$1,627.97 HK$1,535.91 HK$1,511.66 View HK$1,484.04 Quote	Min.: 1 Mult.: 1	Infrared - Digital	Methane (CH4)	5 %	UART and Analog	3.2 V	5.25 V	- 40 C	+ 75 C		Through Hole	INIR2 Series
Air Quality Sensors Digital Infrared Gas Sensor - gen2 - Carbon Dioxide - 0-5%(Ex-d) - Pressure Compensated INIR2-CD5-PC Amphenol SGX Sensortech 1: HK$2,109.99 Non-Stocked Lead-Time 3 Weeks	Mfr. Part No. INIR2-CD5-PC Mouser Part No 523-INIR2CD5PC	Amphenol SGX Sensortech	Air Quality Sensors Digital Infrared Gas Sensor - gen2 - Carbon Dioxide - 0-5%(Ex-d) - Pressure Compensated Learn More about Amphenol SGX Sensortech amphenol sgx inir2 gas sensors	Datasheet	Non-Stocked Lead-Time 3 Weeks	HK$2,109.99 HK$1,708.69 HK$1,603.06 HK$1,577.58 View HK$1,557.44 Quote	Min.: 1 Mult.: 1	Infrared - Digital	Carbon Dioxide (CO2)	5 %	UART and Analog	3.2 V	5.25 V	- 40 C	+ 75 C		Through Hole	INIR2 Series
Air Quality Sensors Digital Infrared Gas Sensor - gen2 - Carbon Dioxide - 0-100%(Ex-d) - Pressure Compensated INIR2-CD100-PC Amphenol SGX Sensortech 1: HK$1,922.41 10Expected 3/12/2026	Mfr. Part No. INIR2-CD100-PC Mouser Part No 523-INIR2CD100PC	Amphenol SGX Sensortech	Air Quality Sensors Digital Infrared Gas Sensor - gen2 - Carbon Dioxide - 0-100%(Ex-d) - Pressure Compensated Learn More about Amphenol SGX Sensortech amphenol sgx inir2 gas sensors	Datasheet	10Expected 3/12/2026	HK$1,922.41 HK$1,562.38 HK$1,474.17 HK$1,450.91 View HK$1,424.36 Quote	Min.: 1 Mult.: 1	Infrared - Digital	Carbon Dioxide (CO2)	100 %	UART and Analog	3.2 V	5.25 V	- 40 C	+ 75 C		Through Hole	INIR2 Series
Air Quality Sensors Digital Infrared Gas Sensor - R32 (Difluormethane) Refrigerant gas - 100%LEL (EX-d) INIR2-R32 Amphenol SGX Sensortech 1: HK$1,901.86 9In Stock	Mfr. Part No. INIR2-R32 Mouser Part No 523-INIR2-R32	Amphenol SGX Sensortech	Air Quality Sensors Digital Infrared Gas Sensor - R32 (Difluormethane) Refrigerant gas - 100%LEL (EX-d) Learn More about Amphenol SGX Sensortech amphenol sgx inir2 gas sensors	Datasheet	9In Stock	HK$1,901.86 HK$1,621.97 HK$1,507.30 HK$1,436.03 View HK$1,409.81 Quote	Min.: 1 Mult.: 1	Infrared - Digital	R32 (Difluormethane)	100 %	UART and Analog	3.2 V	5.25 V	- 40 C	+ 75 C		Through Hole	INIR2 Series
Air Quality Sensors Digital Infrared Gas Sensor - gen2 - Butane (R600) - 0-1.8%(EX-d) INIR2-BU1.8 Amphenol SGX Sensortech 1: HK$1,502.94 3In Stock	Mfr. Part No. INIR2-BU1.8 Mouser Part No 523-INIR2-BU1.8	Amphenol SGX Sensortech	Air Quality Sensors Digital Infrared Gas Sensor - gen2 - Butane (R600) - 0-1.8%(EX-d) Learn More about Amphenol SGX Sensortech amphenol sgx inir2 gas sensors	Datasheet	3In Stock	HK$1,502.94 HK$1,403.89 HK$1,366.99 HK$1,322.76 View HK$1,292.51 Quote	Min.: 1 Mult.: 1	Infrared - Digital	Butane (R600)	1.8 %	UART and Analog	3.2 V	5.25 V	- 40 C	+ 75 C		Through Hole	INIR2 Series
Air Quality Sensors Digital Infrared Gas Sensor - gen2 - Carbon Dioxide - 0-5%(Ex-d) INIR2-CD5 Amphenol SGX Sensortech 1: HK$1,523.00 6In Stock 11On Order	Mfr. Part No. INIR2-CD5 Mouser Part No 523-INIR2-CD5	Amphenol SGX Sensortech	Air Quality Sensors Digital Infrared Gas Sensor - gen2 - Carbon Dioxide - 0-5%(Ex-d) Learn More about Amphenol SGX Sensortech amphenol sgx inir2 gas sensors	Datasheet	6In Stock 11On Order	HK$1,523.00 HK$1,421.98 HK$1,384.33 HK$1,339.28 View HK$1,308.38 Quote	Min.: 1 Mult.: 1	Infrared - Digital	Carbon Dioxide (CO2)	5 %	UART and Analog	3.2 V	5.25 V	- 40 C	+ 75 C		Through Hole	INIR2 Series
Air Quality Sensors Digital Infrared Gas Sensor - gen2 - Methane - 0-100%(EX-d) INIR2-ME100 Amphenol SGX Sensortech 1: HK$1,502.94 14On Order	Mfr. Part No. INIR2-ME100 Mouser Part No 523-INIR2-ME100	Amphenol SGX Sensortech	Air Quality Sensors Digital Infrared Gas Sensor - gen2 - Methane - 0-100%(EX-d) Learn More about Amphenol SGX Sensortech amphenol sgx inir2 gas sensors	Datasheet	14On Order On Order Ship Dates Mfr. No: INIR2-ME100 Stock: 0 On Order: 5 Expected 16/11/2026 9 Expected 11/12/2026 Factory Lead Time: 6 Weeks	HK$1,502.94 HK$1,403.89 HK$1,366.99 HK$1,322.76 View HK$1,292.51 Quote	Min.: 1 Mult.: 1	Infrared - Digital	Methane (CH4)	100 %	UART and Analog	3.2 V	5.25 V	- 40 C	+ 75 C		Through Hole	INIR2 Series
Air Quality Sensors Digital Infrared Gas Sensor - gen2 - Carbon Dioxide - 0-100%(Ex-d) INIR2-CD100 Amphenol SGX Sensortech 1: HK$1,411.95 34Expected 23/2/2027	Mfr. Part No. INIR2-CD100 Mouser Part No 523-INIR2-CD100	Amphenol SGX Sensortech	Air Quality Sensors Digital Infrared Gas Sensor - gen2 - Carbon Dioxide - 0-100%(Ex-d) Learn More about Amphenol SGX Sensortech amphenol sgx inir2 gas sensors	Datasheet	34Expected 23/2/2027	HK$1,411.95 HK$1,318.08 HK$1,283.06 HK$1,241.22 HK$1,223.79	Min.: 1 Mult.: 1	Infrared - Digital	Carbon Dioxide (CO2)	100 %	UART and Analog	3.2 V	5.25 V	- 40 C	+ 75 C		Through Hole	INIR2 Series
Air Quality Sensors Digital Infrared Gas Sensor - gen2 - Methane - 0-5%(EX-d) INIR2-ME5 Amphenol SGX Sensortech 1: HK$1,487.66 42Expected 12/11/2026	Mfr. Part No. INIR2-ME5 Mouser Part No 523-INIR2-ME5	Amphenol SGX Sensortech	Air Quality Sensors Digital Infrared Gas Sensor - gen2 - Methane - 0-5%(EX-d) Learn More about Amphenol SGX Sensortech amphenol sgx inir2 gas sensors	Datasheet	42Expected 12/11/2026	HK$1,487.66 HK$1,388.60 HK$1,351.70 HK$1,307.56 HK$1,279.69	Min.: 1 Mult.: 1	Infrared - Digital	Methane (CH4)	5 %	UART and Analog	3.2 V	5.25 V	- 40 C	+ 75 C		Through Hole	INIR2 Series
Air Quality Sensors Digital Infrared Gas Sensor - gen2 - Methane - 0-100%(EX-d) - Pressure Compensated INIR2-ME100-PC Amphenol SGX Sensortech 1: HK$1,645.81 3On Order	Mfr. Part No. INIR2-ME100-PC Mouser Part No 523-INIR2ME100PC	Amphenol SGX Sensortech	Air Quality Sensors Digital Infrared Gas Sensor - gen2 - Methane - 0-100%(EX-d) - Pressure Compensated Learn More about Amphenol SGX Sensortech amphenol sgx inir2 gas sensors	Datasheet	3On Order	HK$1,645.81 HK$1,627.97 HK$1,535.91 HK$1,511.66 View HK$1,484.04 Quote	Min.: 1 Mult.: 1	Infrared - Digital	Methane (CH4)	100 %	UART and Analog	3.2 V	5.25 V	- 40 C	+ 75 C		Through Hole	INIR2 Series
Air Quality Sensors INFRARED - DIGITAL INIR2-CD100-POS Amphenol SGX Sensortech 1: HK$1,503.52 Non-Stocked Lead-Time 10 Weeks New Product	Mfr. Part No. INIR2-CD100-POS Mouser Part No 523-INIR2-CD100-POS New Product	Amphenol SGX Sensortech	Air Quality Sensors INFRARED - DIGITAL		Non-Stocked Lead-Time 10 Weeks	HK$1,503.52 HK$1,503.11 HK$1,468.50 View Quote	Min.: 1 Mult.: 1	Infrared - Digital	Carbon Dioxide (CO2)	100 %	UART and Analog							INIR2 Series
Air Quality Sensors INFRARED - DIGITAL INIR2-CD100-PC-POS Amphenol SGX Sensortech 1: HK$1,582.43 Non-Stocked Lead-Time 10 Weeks New Product	Mfr. Part No. INIR2-CD100-PC-POS Mouser Part No 523-INIR2-CD100PCPOS New Product	Amphenol SGX Sensortech	Air Quality Sensors INFRARED - DIGITAL		Non-Stocked Lead-Time 10 Weeks	HK$1,582.43 HK$1,582.35 HK$1,548.73 View Quote	Min.: 1 Mult.: 1	Infrared - Digital	Carbon Dioxide (CO2)	100 %	UART and Analog							INIR2 Series
Air Quality Sensors INFRARED - DIGITAL INIR2-CD5-PC-POS Amphenol SGX Sensortech 1: HK$1,723.73 Non-Stocked Lead-Time 10 Weeks New Product	Mfr. Part No. INIR2-CD5-PC-POS Mouser Part No 523-INIR2-CD5-PC-POS New Product	Amphenol SGX Sensortech	Air Quality Sensors INFRARED - DIGITAL		Non-Stocked Lead-Time 10 Weeks	HK$1,723.73 HK$1,723.65 HK$1,692.50 View Quote	Min.: 1 Mult.: 1	Infrared - Digital	Carbon Dioxide (CO2)	5 %	UART and Analog							INIR2 Series
Air Quality Sensors INFRARED - DIGITAL INIR2-CD5-POS Amphenol SGX Sensortech 1: HK$1,788.01 Non-Stocked Lead-Time 10 Weeks New Product	Mfr. Part No. INIR2-CD5-POS Mouser Part No 523-INIR2-CD5-POS New Product	Amphenol SGX Sensortech	Air Quality Sensors INFRARED - DIGITAL		Non-Stocked Lead-Time 10 Weeks	HK$1,788.01 HK$1,650.41 HK$1,612.52 View Quote	Min.: 1 Mult.: 1	Infrared - Digital	Carbon Dioxide (CO2)	5 %	UART and Analog							INIR2 Series
Air Quality Sensors INFRARED - DIGITAL INIR2-ME100-POS Amphenol SGX Sensortech 1: HK$1,566.98 Non-Stocked Lead-Time 10 Weeks New Product	Mfr. Part No. INIR2-ME100-POS Mouser Part No 523-INIR2-ME100-POS New Product	Amphenol SGX Sensortech	Air Quality Sensors INFRARED - DIGITAL	Datasheet	Non-Stocked Lead-Time 10 Weeks	HK$1,566.98 HK$1,566.73 HK$1,532.95 View Quote	Min.: 1 Mult.: 1	Infrared - Digital	Methane (CH4)	100 %	UART and Analog							INIR2 Series
Air Quality Sensors INFRARED - DIGITAL INIR2-ME100-PC-POS Amphenol SGX Sensortech 1: HK$1,645.81 Non-Stocked Lead-Time 10 Weeks New Product	Mfr. Part No. INIR2-ME100-PC-POS Mouser Part No 523-INIR2-ME100PCPOS New Product	Amphenol SGX Sensortech	Air Quality Sensors INFRARED - DIGITAL	Datasheet	Non-Stocked Lead-Time 10 Weeks	HK$1,645.81 HK$1,645.73 HK$1,613.09 View Quote	Min.: 1 Mult.: 1	Infrared - Digital	Methane (CH4)	100 %	UART and Analog							INIR2 Series
Air Quality Sensors INFRARED - DIGITAL INIR2-ME5-PC-POS Amphenol SGX Sensortech 1: HK$1,645.81 Non-Stocked Lead-Time 10 Weeks New Product	Mfr. Part No. INIR2-ME5-PC-POS Mouser Part No 523-INIR2-ME5-PC-POS New Product	Amphenol SGX Sensortech	Air Quality Sensors INFRARED - DIGITAL		Non-Stocked Lead-Time 10 Weeks	HK$1,645.81 HK$1,645.73 HK$1,613.09 View Quote	Min.: 1 Mult.: 1	Infrared - Digital	Methane (CH4)	5 %	UART and Analog							INIR2 Series
Air Quality Sensors INFRARED - DIGITAL INIR2-ME5-POS Amphenol SGX Sensortech 1: HK$1,566.98 Non-Stocked Lead-Time 10 Weeks New Product	Mfr. Part No. INIR2-ME5-POS Mouser Part No 523-INIR2-ME5-POS New Product	Amphenol SGX Sensortech	Air Quality Sensors INFRARED - DIGITAL		Non-Stocked Lead-Time 10 Weeks	HK$1,566.98 HK$1,566.73 HK$1,532.95 View Quote	Min.: 1 Mult.: 1	Infrared - Digital	Methane (CH4)	5 %	UART and Analog							INIR2 Series
Air Quality Sensors INFRARED - DIGITAL INIR2-PR2.1-POS Amphenol SGX Sensortech 1: HK$1,566.98 Non-Stocked Lead-Time 10 Weeks New Product	Mfr. Part No. INIR2-PR2.1-POS Mouser Part No 523-INIR2-PR2.1-POS New Product	Amphenol SGX Sensortech	Air Quality Sensors INFRARED - DIGITAL	Datasheet	Non-Stocked Lead-Time 10 Weeks	HK$1,566.98 HK$1,566.73 HK$1,532.95 View Quote	Min.: 1 Mult.: 1	Infrared - Digital	Propane	2.1 %	UART and Analog							INIR2 Series
Air Quality Sensors INFRARED - DIGITAL INIR2-PR2.1-PC-POS Amphenol SGX Sensortech 1: HK$1,645.81 Non-Stocked Lead-Time 10 Weeks New Product	Mfr. Part No. INIR2-PR2.1-PC-POS Mouser Part No 523-INIR2-PR2.1PCPOS New Product	Amphenol SGX Sensortech	Air Quality Sensors INFRARED - DIGITAL	Datasheet	Non-Stocked Lead-Time 10 Weeks	HK$1,645.81 HK$1,645.73 HK$1,613.09 View Quote	Min.: 1 Mult.: 1	Infrared - Digital	Propane	2.1 %	UART and Analog							INIR2 Series
Air Quality Sensors INFRARED - DIGITAL INIR2IA-CD100 Amphenol SGX Sensortech 1: HK$1,630.68 Non-Stocked Lead-Time 10 Weeks New Product	Mfr. Part No. INIR2IA-CD100 Mouser Part No 523-INIR2IA-CD100 New Product	Amphenol SGX Sensortech	Air Quality Sensors INFRARED - DIGITAL		Non-Stocked Lead-Time 10 Weeks	HK$1,630.68 HK$1,504.84 HK$1,468.50 View Quote	Min.: 1 Mult.: 1	Infrared - Digital	Carbon Dioxide (CO2)	100 %	UART and Analog							INIR2 Series
Air Quality Sensors INFRARED - DIGITAL INIR2IA-CD100-PC Amphenol SGX Sensortech 1: HK$1,582.43 Non-Stocked Lead-Time 10 Weeks New Product	Mfr. Part No. INIR2IA-CD100-PC Mouser Part No 523-INIR2IA-CD100-PC New Product	Amphenol SGX Sensortech	Air Quality Sensors INFRARED - DIGITAL		Non-Stocked Lead-Time 10 Weeks	HK$1,582.43 HK$1,582.35 HK$1,548.73 View Quote	Min.: 1 Mult.: 1	Infrared - Digital	Carbon Dioxide (CO2)	100 %	UART and Analog							INIR2 Series
Air Quality Sensors INFRARED - DIGITAL INIR2IA-CD100-POS Amphenol SGX Sensortech 1: HK$1,503.52 Non-Stocked Lead-Time 10 Weeks New Product	Mfr. Part No. INIR2IA-CD100-POS Mouser Part No 523-INIR2IA-CD100POS New Product	Amphenol SGX Sensortech	Air Quality Sensors INFRARED - DIGITAL		Non-Stocked Lead-Time 10 Weeks	HK$1,503.52 HK$1,503.11 HK$1,468.50 View Quote	Min.: 1 Mult.: 1	Infrared - Digital	Carbon Dioxide (CO2)	100 %	UART and Analog							INIR2 Series
Air Quality Sensors INFRARED - DIGITAL INIR2IA-CD5 Amphenol SGX Sensortech 1: HK$1,645.15 Non-Stocked Lead-Time 10 Weeks New Product	Mfr. Part No. INIR2IA-CD5 Mouser Part No 523-INIR2IA-CD5 New Product	Amphenol SGX Sensortech	Air Quality Sensors INFRARED - DIGITAL		Non-Stocked Lead-Time 10 Weeks	HK$1,645.15 HK$1,645.07 HK$1,612.52 View Quote	Min.: 1 Mult.: 1	Infrared - Digital	Carbon Dioxide (CO2)	5 %	UART and Analog							INIR2 Series
Air Quality Sensors INFRARED - DIGITAL INIR2IA-CD5-PC Amphenol SGX Sensortech 1: HK$1,723.73 Non-Stocked Lead-Time 10 Weeks New At Mouser	Mfr. Part No. INIR2IA-CD5-PC Mouser Part No 523-INIR2IA-CD5-PC New At Mouser	Amphenol SGX Sensortech	Air Quality Sensors INFRARED - DIGITAL	Datasheet	Non-Stocked Lead-Time 10 Weeks	HK$1,723.73 HK$1,723.65 HK$1,692.50 View Quote	Min.: 1 Mult.: 1	Infrared - Digital	Carbon Dioxide (CO2)	5 %	UART and Analog	3.2 V	5.25 V	- 40 C	+ 75 C	2.5 V	Through Hole	INIR2 Series

INIR2 Digital Gas Sensors

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