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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.
Air Quality Sensors Fermion: MEMS Odor Smell Gas Detection Sensor (Breakout, 0.5-50ppm) SEN0571 DFRobot 1: HK$40.28 382In Stock	Mfr. Part No. SEN0571 Mouser Part No 426-SEN0571	DFRobot	Air Quality Sensors Fermion: MEMS Odor Smell Gas Detection Sensor (Breakout, 0.5-50ppm)		382In Stock	HK$40.28	Min.: 1 Mult.: 1
Air Quality Sensors Senseair S88 Residential 004-1-0100 Senseair 1: HK$160.62 341In Stock	Mfr. Part No. 004-1-0100 Mouser Part No 812-004-1-0100	Senseair	Air Quality Sensors Senseair S88 Residential Learn More about Senseair s88 sensors	Datasheet	341In Stock	HK$160.62 HK$146.56 HK$141.30 HK$134.97 View HK$130.70 HK$127.99 HK$121.90 HK$115.41 Quote	Min.: 1 Mult.: 1
Air Quality Sensors Senseair Sunlight CO2 006-1-0100 Senseair 1: HK$269.04 384In Stock	Mfr. Part No. 006-1-0100 Mouser Part No 812-006-1-0100	Senseair	Air Quality Sensors Senseair Sunlight CO2 Learn More about Senseair sunlight co2 sensors	Datasheet	384In Stock	HK$269.04 HK$246.93 HK$238.71 HK$228.84 View HK$222.10 HK$220.05 HK$208.38	Min.: 1 Mult.: 1
Air Quality Sensors Sensirion photoacoustic CO2 sensor SCD40-D-R2 Sensirion 1: HK$153.39 1,510In Stock	Mfr. Part No. SCD40-D-R2 Mouser Part No 403-SCD40-D-R2	Sensirion	Air Quality Sensors Sensirion photoacoustic CO2 sensor Learn More about Sensirion scd40	Datasheet	1,510In Stock	Cut Tape HK$153.39 HK$139.82 HK$134.81 HK$128.81 View Reel HK$110.15 HK$124.62 HK$121.00 HK$110.15 Quote	Min.: 1 Mult.: 1 : 600
Air Quality Sensors Sensirion photoacoustic CO2 sensor SCD41-D-R2 Sensirion 1: HK$178.95 10,766In Stock	Mfr. Part No. SCD41-D-R2 Mouser Part No 403-SCD41-D-R2	Sensirion	Air Quality Sensors Sensirion photoacoustic CO2 sensor Learn More about Sensirion scd40	Datasheet	10,766In Stock	Cut Tape HK$178.95 HK$163.33 HK$157.50 HK$148.37 View Reel HK$121.90 HK$140.48 HK$134.81 HK$134.73 HK$121.90 Quote	Min.: 1 Mult.: 1 : 600
Air Quality Sensors Senseair Sunrise 006-0-0008 Senseair 1: HK$393.57 565In Stock	Mfr. Part No. 006-0-0008 Mouser Part No 812-006-0-0008	Senseair	Air Quality Sensors Senseair Sunrise Learn More about Senseair sunrise sensor	Datasheet	565In Stock	HK$393.57 HK$362.75 HK$351.24 HK$341.71 View HK$334.64 HK$326.01 Quote	Min.: 1 Mult.: 1
Multiple Function Sensor Development Tools T3400 A2L Refrigerant Sensor Evaluation Kit, R-32 T3400-EVAL Amphenol Advanced Sensors 1: HK$584.94 4In Stock New Product	Mfr. Part No. T3400-EVAL Mouser Part No 527-T3400-EVAL New Product	Amphenol Advanced Sensors	Multiple Function Sensor Development Tools T3400 A2L Refrigerant Sensor Evaluation Kit, R-32 Learn More about Amphenol Advanced Sensors amphenol t3400 refrigerant leak detection sensor	Datasheet	4In Stock	HK$584.94	Min.: 1 Mult.: 1
Multiple Function Sensor Development Tools T3401 A2L Refrigerant Sensor Evaluation Kit, R-454B T3401-EVAL Amphenol Advanced Sensors 1: HK$592.66 4In Stock New Product	Mfr. Part No. T3401-EVAL Mouser Part No 527-T3401-EVAL New Product	Amphenol Advanced Sensors	Multiple Function Sensor Development Tools T3401 A2L Refrigerant Sensor Evaluation Kit, R-454B Learn More about Amphenol Advanced Sensors amphenol t3400 refrigerant leak detection sensor	Datasheet	4In Stock	HK$592.66	Min.: 1 Mult.: 1
Air Quality Sensors Senseair Sunlight R32 009-4-0001 Senseair 1: HK$286.63 63In Stock	Mfr. Part No. 009-4-0001 Mouser Part No 812-009-4-0001	Senseair	Air Quality Sensors Senseair Sunlight R32 Learn More about Senseair sunlight r32 r454 sensors	Datasheet	63In Stock	HK$286.63 HK$263.20 HK$254.49 HK$244.13 View HK$236.98 HK$230.00 HK$222.52	Min.: 1 Mult.: 1
Air Quality Sensors Sensor, AD-102, 6mm, High-Resolution 20019846-00 TE Connectivity 1: HK$739.39 39In Stock 135On Order	Mfr. Part No. 20019846-00 Mouser Part No 824-20019846-00	TE Connectivity	Air Quality Sensors Sensor, AD-102, 6mm, High-Resolution Learn More about TE Connectivity te ad 102 air bubble detector	Datasheet	39In Stock 135On Order On Order Ship Dates Mfr. No: 20019846-00 Stock: 39 Can Dispatch Immediately On Order: 35 Expected 19/4/2027 100 Expected 24/5/2027 Factory Lead Time: 32 Weeks	HK$739.39 HK$684.64 HK$664.26 HK$661.38	Min.: 1 Mult.: 1
Air Quality Sensors VOC and NOx (MOX) Gas Pollutant Sensor SGP41-D-R4 Sensirion 1: HK$96.91 12,809In Stock	Mfr. Part No. SGP41-D-R4 Mouser Part No 403-SGP41-D-R4	Sensirion	Air Quality Sensors VOC and NOx (MOX) Gas Pollutant Sensor Learn More about Sensirion sgp41	Datasheet	12,809In Stock	Cut Tape HK$96.91 HK$81.62 HK$75.87 HK$68.88 View Reel HK$50.96 HK$64.03 HK$59.51 HK$52.61 HK$50.96 HK$50.96 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Air Quality Sensors IR Sensor for NDIR Gas Sensing AK9730AJF21 Asahi Kasei Microdevices 1: HK$98.72 1,177In Stock	Mfr. Part No. AK9730AJF21 Mouser Part No 412-AK9730AJF21	Asahi Kasei Microdevices	Air Quality Sensors IR Sensor for NDIR Gas Sensing Learn More about Asahi Kasei Microdevices asahi kasei ir sensors	Datasheet	1,177In Stock	Cut Tape HK$98.72 HK$89.60 HK$86.15 HK$82.04 View Reel HK$72.25 HK$79.24 HK$77.02 HK$76.94 HK$73.98 HK$72.25 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Air Quality Sensors Fermion: MEMS Carbon Monoxide CO Gas Detection Sensor (Breakout, 5-5000ppm) SEN0564 DFRobot 1: HK$40.28 43In Stock	Mfr. Part No. SEN0564 Mouser Part No 426-SEN0564	DFRobot	Air Quality Sensors Fermion: MEMS Carbon Monoxide CO Gas Detection Sensor (Breakout, 5-5000ppm)		43In Stock	HK$40.28	Min.: 1 Mult.: 1
Air Quality Sensors Fermion: MEMS Methane CH4 Gas Detection Sensor (Breakout, 1-10000ppm) SEN0565 DFRobot 1: HK$40.28 115In Stock	Mfr. Part No. SEN0565 Mouser Part No 426-SEN0565	DFRobot	Air Quality Sensors Fermion: MEMS Methane CH4 Gas Detection Sensor (Breakout, 1-10000ppm)		115In Stock	HK$40.28	Min.: 1 Mult.: 1
Air Quality Sensors Fermion: NH3 Gas Sensor Ammonia Detector (Breakout, 1-300ppm, MEMS, Low Power) SEN0567 DFRobot 1: HK$61.65 26In Stock	Mfr. Part No. SEN0567 Mouser Part No 426-SEN0567	DFRobot	Air Quality Sensors Fermion: NH3 Gas Sensor Ammonia Detector (Breakout, 1-300ppm, MEMS, Low Power)		26In Stock	HK$61.65	Min.: 1 Mult.: 1
Air Quality Sensors Fermion: H2S Gas Sensor Hydrogen Sulfide Detector (Breakout, 0.5-50ppm, MEMS, Low Power) SEN0568 DFRobot 1: HK$61.65 97In Stock	Mfr. Part No. SEN0568 Mouser Part No 426-SEN0568	DFRobot	Air Quality Sensors Fermion: H2S Gas Sensor Hydrogen Sulfide Detector (Breakout, 0.5-50ppm, MEMS, Low Power)		97In Stock	HK$61.65	Min.: 1 Mult.: 1
Air Quality Sensors Fermion: MEMS Hydrogen H2 Gas Detection Sensor (Breakout, 0.1-1000ppm) SEN0572 DFRobot 1: HK$114.26 32In Stock	Mfr. Part No. SEN0572 Mouser Part No 426-SEN0572	DFRobot	Air Quality Sensors Fermion: MEMS Hydrogen H2 Gas Detection Sensor (Breakout, 0.1-1000ppm)		32In Stock	HK$114.26	Min.: 1 Mult.: 1
Air Quality Sensors Fermion: MEMS Nitrogen Dioxide NO2 Gas Detection Sensor (Breakout, 0.1-10ppm) SEN0574 DFRobot 1: HK$61.65 20In Stock	Mfr. Part No. SEN0574 Mouser Part No 426-SEN0574	DFRobot	Air Quality Sensors Fermion: MEMS Nitrogen Dioxide NO2 Gas Detection Sensor (Breakout, 0.1-10ppm)		20In Stock	HK$61.65	Min.: 1 Mult.: 1
Air Quality Sensors Grove -Smart Air Quality Sensor-SGP41,MOX Gas Sensor for VOCs & NOx, Air Purifier, Smart Ventilation 101021092 Seeed Studio 1: HK$112.04 44In Stock	Mfr. Part No. 101021092 Mouser Part No 713-101021092	Seeed Studio	Air Quality Sensors Grove -Smart Air Quality Sensor-SGP41,MOX Gas Sensor for VOCs & NOx, Air Purifier, Smart Ventilation		44In Stock	HK$112.04	Min.: 1 Mult.: 1
Air Quality Sensors Senseair S88 LP 004-1-0101 Senseair 1: HK$151.25 100In Stock 250Expected 5/11/2026	Mfr. Part No. 004-1-0101 Mouser Part No 812-004-1-0101	Senseair	Air Quality Sensors Senseair S88 LP Learn More about Senseair s88 sensors	Datasheet	100In Stock 250Expected 5/11/2026	HK$151.25 HK$137.93 HK$132.92 HK$127.00 View HK$122.97 HK$114.67 HK$111.63 Quote	Min.: 1 Mult.: 1
Air Quality Sensors Is a digital multi-pixel gas sensor unit with integrated SGP30. U088 M5Stack 1: HK$90.01 143In Stock	Mfr. Part No. U088 Mouser Part No 170-U088	M5Stack	Air Quality Sensors Is a digital multi-pixel gas sensor unit with integrated SGP30. Learn More about M5Stack u088 digital gas sensor	Datasheet	143In Stock	HK$90.01	Min.: 1 Mult.: 1
Multiple Function Sensor Development Tools Gravity UART IR CO2 Sensor SEN0220 DFRobot 1: HK$731.58 40In Stock	Mfr. Part No. SEN0220 Mouser Part No 426-SEN0220	DFRobot	Multiple Function Sensor Development Tools Gravity UART IR CO2 Sensor Learn More about DFRobot gravity	Datasheet	40In Stock	HK$731.58	Min.: 1 Mult.: 1
Air Quality Sensors Gravity: Electrochemical Ozone / O3 Sensor (0-10 ppm, I2C) SEN0321 DFRobot 1: HK$402.78 86In Stock	Mfr. Part No. SEN0321 Mouser Part No 426-SEN0321	DFRobot	Air Quality Sensors Gravity: Electrochemical Ozone / O3 Sensor (0-10 ppm, I2C) Learn More about DFRobot gravity ozone sensor	Datasheet	86In Stock	HK$402.78	Min.: 1 Mult.: 1
Air Quality Sensors Industrial CO2 Sens 0 - 2000 PPM T3031-2-2K-24-P Amphenol Advanced Sensors 1: HK$3,379.57 4In Stock	Mfr. Part No. T3031-2-2K-24-P Mouser Part No 527-T3031-2-2K-24-P	Amphenol Advanced Sensors	Air Quality Sensors Industrial CO2 Sens 0 - 2000 PPM Learn More about Amphenol Advanced Sensors amphenol t3000 sensors	Datasheet	4In Stock	HK$3,379.57 HK$3,107.32 HK$3,107.24 HK$2,978.43 View Quote	Min.: 1 Mult.: 1
Air Quality Sensors Industrial CO2 Sens 0 - 5000 PPM T3031-2-5K-24-P Amphenol Advanced Sensors 1: HK$3,219.36 16In Stock	Mfr. Part No. T3031-2-5K-24-P Mouser Part No 527-T3031-2-5K-24-P	Amphenol Advanced Sensors	Air Quality Sensors Industrial CO2 Sens 0 - 5000 PPM Learn More about Amphenol Advanced Sensors amphenol t3000 sensors	Datasheet	16In Stock	HK$3,219.36 HK$3,181.30 HK$3,068.85 HK$2,981.81 View Quote	Min.: 1 Mult.: 1

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