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Bidirectional Flow Sensors

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Type	Sensor Type	For Use With	Range	Accuracy	Output Voltage	Operation Mode	Operating Supply Voltage	Port Size	Housing Material
Flow Sensors Pressure-resistant gas flow sensor with high resolution SFM4300-50-O Sensirion 1: $150.06 27In Stock 56Expected 04/11/2026	Mfr. Part No. SFM4300-50-O Mouser Part No 403-SFM4300-50-O	Sensirion	Flow Sensors Pressure-resistant gas flow sensor with high resolution Learn More about Sensirion sfm4300	Datasheet	27In Stock 56Expected 04/11/2026	$150.06 $139.89 $136.09 $131.55 View $127.96 Quote	Min.: 1 Mult.: 1	Pressure Resistant Gas Flow Sensor	Flow Sensor	O2, Air, N2O, CO2 and Mixtures	50 slm	3 %		Bidirectional	3.3 V	8 mm	Polyamide (PA)
Flow Sensors Pressure-resistant gas flow sensor with high resolution SFM4300-50-P Sensirion 1: $150.85 36In Stock 168Expected 12/11/2026	Mfr. Part No. SFM4300-50-P Mouser Part No 403-SFM4300-50-P	Sensirion	Flow Sensors Pressure-resistant gas flow sensor with high resolution Learn More about Sensirion sfm4300	Datasheet	36In Stock 168Expected 12/11/2026	$150.85 $140.63 $136.82 $132.26 View $128.65 Quote	Min.: 1 Mult.: 1	Pressure Resistant Gas Flow Sensor	Flow Sensor	O2, Air, N2O, CO2 and Mixtures	50 slm	3 %		Bidirectional	3.3 V	8 mm	Polyamide (PA)
Flow Sensors Digital Multigas Mass Flow Meter with exchangeable connectors (6 mm Legris included). Measurement range: 0.5 slm - 0.0005 slm. SFM5500-0.5slm Sensirion 1: $1,105.19 3Expected 06/01/2027	Mfr. Part No. SFM5500-0.5slm Mouser Part No 403-SFM5500-0.5SLM	Sensirion	Flow Sensors Digital Multigas Mass Flow Meter with exchangeable connectors (6 mm Legris included). Measurement range: 0.5 slm - 0.0005 slm. Learn More about Sensirion sfm5x mass flow meters	Datasheet	3Expected 06/01/2027	$1,105.19 $1,049.19	Min.: 1 Mult.: 1	Mass Flow Meter	Flow Meter	Gases	0.5 slm	0.8 %		Bidirectional	15 V to 26.4 V		Aluminum
Flow Sensors Digital Multigas Mass Flow Meter with exchangeable connectors (6 mm Legris included). Measurement range: 10 slm - 0.01 slm. SFM5500-10slm Sensirion 1: $1,105.18 4In Stock	Mfr. Part No. SFM5500-10slm Mouser Part No 403-SFM5500-10SLM	Sensirion	Flow Sensors Digital Multigas Mass Flow Meter with exchangeable connectors (6 mm Legris included). Measurement range: 10 slm - 0.01 slm. Learn More about Sensirion sfm5x mass flow meters	Datasheet	4In Stock	$1,105.18 $1,046.48 $1,022.90 Quote Quote	Min.: 1 Mult.: 1	Mass Flow Meter	Flow Meter	Gases	10 slm	0.8 %		Bidirectional	15 V to 26.4 V		Aluminum
Flow Sensors Digital Multigas Mass Flow Meter with exchangeable connectors (6 mm Legris included). Measurement range: 50 sccm - 0.05 sccm. SFM5500-50sccm Sensirion 1: $1,105.19 3In Stock	Mfr. Part No. SFM5500-50sccm Mouser Part No 403-SFM5500-50SCCM	Sensirion	Flow Sensors Digital Multigas Mass Flow Meter with exchangeable connectors (6 mm Legris included). Measurement range: 50 sccm - 0.05 sccm. Learn More about Sensirion sfm5x mass flow meters	Datasheet	3In Stock	$1,105.19 $1,047.22 $1,047.21 Quote Quote	Min.: 1 Mult.: 1	Mass Flow Meter	Flow Meter	Gases	50 slm	0.8 %		Bidirectional	15 V to 26.4 V		Aluminum
Flow Sensors Flow sensor with additional thermal conductivity feature which enables media recognition or concentration function SLF3C-1300F Sensirion 1: $219.12 60In Stock	Mfr. Part No. SLF3C-1300F Mouser Part No 403-SLF3C-1300F	Sensirion	Flow Sensors Flow sensor with additional thermal conductivity feature which enables media recognition or concentration function Learn More about Sensirion slf3c 1300f	Datasheet	60In Stock	$219.12 $205.03 $199.77 $193.48 $189.16	Min.: 1 Mult.: 1	Liquid Flow Sensor	Flow Sensor	Liquid	0 mL/min to 40 mL/min	5 %, 10 %		Bidirectional	3.5 V	UNF 1/4-28	Polyphenylene Sulfide (PPS)
Flow Sensors Media Isolated Microfluidic Non-invasive Liquid Flow Meter - 80 ul/min SLI-0430 Liquid Flow Meter Sensirion 1: $1,490.34 3In Stock	Mfr. Part No. SLI-0430 Liquid Flow Meter Mouser Part No 403-SLI-0430LFM	Sensirion	Flow Sensors Media Isolated Microfluidic Non-invasive Liquid Flow Meter - 80 ul/min Learn More about Sensirion sli liquid flow meters	Datasheet	3In Stock	$1,490.34 $1,447.89	Min.: 1 Mult.: 1	Liquid Flow Meter	Flow Meter	Liquid	0 uL/min to 80 uL/min	5 %	0 V to 10 V	Bidirectional	5 V
Flow Sensors Media Isolated Microfluidic Non-invasive Liquid Flow Meter - 5000 ul/min SLI-2000 Liquid Flow Meter Sensirion 1: $1,490.34 6In Stock 112On Order	Mfr. Part No. SLI-2000 Liquid Flow Meter Mouser Part No 403-SLI-2000LFM	Sensirion	Flow Sensors Media Isolated Microfluidic Non-invasive Liquid Flow Meter - 5000 ul/min Learn More about Sensirion sli liquid flow meters	Datasheet	6In Stock 112On Order	$1,490.34 $1,447.89	Min.: 1 Mult.: 1	Liquid Flow Meter	Flow Meter	Liquid	0 uL/min to 5000 uL/min	5 %	0 V to 10 V	Bidirectional	5 V
Flow Sensors 120 ml/min Liquid Flow Meter SLQ-QT500 Sensirion 1: $1,584.26 3In Stock 25On Order	Mfr. Part No. SLQ-QT500 Mouser Part No 403-SLQ-QT500	Sensirion	Flow Sensors 120 ml/min Liquid Flow Meter Learn More about Sensirion slq qt500 meter	Datasheet	3In Stock 25On Order On Order Ship Dates Mfr. No: SLQ-QT500 Stock: 3 Can Dispatch Immediately On Order: 10 Expected 02/12/2026 15 Expected 30/12/2026 Factory Lead Time: 12 Weeks	$1,584.26 $1,508.33	Min.: 1 Mult.: 1	Liquid Flow Meter	Flow Meter	Liquid	120 mL/min	5 %	0 V to 10 V	Bidirectional	3.5 V	6.35 mm	Plastic
Flow Sensors Versatile, digital gas flow sensor, flow range from -150 to 300 slm, with temperature sensor in the gas path. SFM3003-300-CET Sensirion 1: $153.39 74In Stock	Mfr. Part No. SFM3003-300-CET Mouser Part No 403-SFM3003-300-CET	Sensirion	Flow Sensors Versatile, digital gas flow sensor, flow range from -150 to 300 slm, with temperature sensor in the gas path. Learn More about Sensirion sfm3003 flow meters	Datasheet	74In Stock	$153.39 $143.02 $135.61 $132.34 View $132.32 Quote	Min.: 1 Mult.: 1	Flow Meter	Flow Sensor		- 150 slm to 300 slm	4 %		Bidirectional	3.3 V
Flow Sensors Digital (Mass) Flow Meter with range of -150slm to +300slm SFM3003-300-CE Sensirion 1: $133.41 3In Stock 40Expected 25/11/2026	Mfr. Part No. SFM3003-300-CE Mouser Part No 403-SFM3003-300-CE	Sensirion	Flow Sensors Digital (Mass) Flow Meter with range of -150slm to +300slm Learn More about Sensirion sfm3003 flow meters	Datasheet	3In Stock 40Expected 25/11/2026	$133.41 $124.15 $117.52 $113.12 View $110.82 $110.03	Min.: 1 Mult.: 1	Digital Mass Flow Meter	Flow Meter	Air, Oxygen	-150 slm to 300 slm	2.5 %		Bidirectional	3.3 V	19.8 mm	Polyphenylene Ether (PPE)
Flow Sensors Pressure-resistant gas flow sensor with high resolution and multi-gas options SFM4300-20-O Sensirion 1: $150.06 1In Stock 168On Order	Mfr. Part No. SFM4300-20-O Mouser Part No 403-SFM4300-20-O	Sensirion	Flow Sensors Pressure-resistant gas flow sensor with high resolution and multi-gas options Learn More about Sensirion sfm4300	Datasheet	1In Stock 168On Order On Order Ship Dates Mfr. No: SFM4300-20-O Stock: 1 Can Dispatch Immediately On Order: 56 Expected 03/02/2027 112 Expected 10/02/2027 Factory Lead Time: 12 Weeks	$150.06 $139.89 $136.09 $131.55 View $127.96 Quote	Min.: 1 Mult.: 1	Pressure Resistant Gas Flow Sensor	Flow Sensor	O2, Air, N2O, CO2 and Mixtures	20 slm	3 %		Bidirectional	3.3 V	8 mm	Polyamide (PA)
Flow Sensors LD20-2600B Sensirion 1: $130.86 350On Order	Mfr. Part No. LD20-2600B Mouser Part No 403-LD20-2600B	Sensirion	Flow Sensors Learn More about Sensirion ld20 2600b liquid flow sensor	Datasheet	350On Order On Order Ship Dates Mfr. No: LD20-2600B Stock: 0 On Order: 150 Expected 30/12/2026 200 Expected 06/01/2027 Factory Lead Time: 8 Weeks	$130.86 $129.66	Min.: 1 Mult.: 1				16.6 ml/min			Bidirectional	3.2 V to 3.8 V	6 mm	Polyetherimide (PEI)
Flow Sensors Compact Liquid Flow Meter - 1000 ul/min LG16-1000D 1000 ul/min Sensirion 1: $756.18 97On Order	Mfr. Part No. LG16-1000D 1000 ul/min Mouser Part No 403-LG161000D1000	Sensirion	Flow Sensors Compact Liquid Flow Meter - 1000 ul/min Learn More about Sensirion lg16 flow meters	Datasheet	97On Order On Order Ship Dates Mfr. No: LG16-1000D 1000 ul/min Stock: 0 On Order: 22 Expected 23/12/2026 25 Expected 06/01/2027 50 Expected 03/02/2027 Factory Lead Time: 12 Weeks	$756.18 $706.86 $685.87 Quote Quote	Min.: 1 Mult.: 1	Liquid Flow Meter	Flow Sensor	Liquid	0 uL/min to 1000 uL/min			Bidirectional	5 V	UNF 1/4-28
Flow Sensors Digital Multigas Mass Flow Controller Control range: 0.5 slm - 0.0005 slm. SFC5500-0.5slm Sensirion 1: $1,612.97 56On Order	Mfr. Part No. SFC5500-0.5slm Mouser Part No 403-SFC5500-0.5SLM	Sensirion	Flow Sensors Digital Multigas Mass Flow Controller Control range: 0.5 slm - 0.0005 slm. Learn More about Sensirion sfc5500 controllers	Datasheet	56On Order On Order Ship Dates Mfr. No: SFC5500-0.5slm Stock: 0 On Order: 12 Expected 04/11/2026 44 Expected 30/12/2026 Factory Lead Time: 8 Weeks	$1,612.97 $1,519.57	Min.: 1 Mult.: 1	Mass Flow Controller	Flow Meter	Gases	0.5 slm to 0.0005 slm	0.8 %		Bidirectional	15 V to 26.4 V		Aluminum
Flow Sensors 33slm (bidirectional) Digital Flow Meter for Neonatal/Pediatric Medical Applications - Autoclavable & cleanable Version SFM3400-AW Sensirion 1: $230.48 90On Order	Mfr. Part No. SFM3400-AW Mouser Part No 403-SFM3400-AW	Sensirion	Flow Sensors 33slm (bidirectional) Digital Flow Meter for Neonatal/Pediatric Medical Applications - Autoclavable & cleanable Version Learn More about Sensirion sfm3400 d flow meter	Datasheet	90On Order On Order Ship Dates Mfr. No: SFM3400-AW Stock: 0 On Order: 60 Expected 12/11/2026 30 Expected 02/12/2026 Factory Lead Time: 12 Weeks	$230.48 $215.76 $210.28 $202.48 View Quote	Min.: 1 Mult.: 1	Air Flow Sensor		Air, Oxygen, Non-Aggressive Gases	+/- 33 slm	3 %		Bidirectional	5 V		Plastic
Flow Sensors Compact Liquid Flow Meter up to 40 ml/min for Industrial Applications SLS-1500 Liquid Flow Meter Sensirion 1: $1,458.48 18In Stock 20Expected 25/01/2027	Mfr. Part No. SLS-1500 Liquid Flow Meter Mouser Part No 403-SLS-1500LFM	Sensirion	Flow Sensors Compact Liquid Flow Meter up to 40 ml/min for Industrial Applications Learn More about Sensirion sls 1500 meters	Datasheet	18In Stock 20Expected 25/01/2027	$1,458.48 $1,373.58	Min.: 1 Mult.: 1	Liquid Flow Meter	Flow Meter	Liquid	0 mL/min to 40 mL/min	5 %	0 V to 10 V	Bidirectional	5 V	1/4-28
Flow Sensors Sensirion Single-use gas flow sensor for bidirectional flow measurement (-250250slm) with medical cones and integrated heater, delivered in individual-packaging SFM3304-250-D-(500) Sensirion 1: $46.77 500Expected 13/01/2027 New Product	Mfr. Part No. SFM3304-250-D-(500) Mouser Part No 403-SFM3304-250-D500 New Product	Sensirion	Flow Sensors Sensirion Single-use gas flow sensor for bidirectional flow measurement (-250250slm) with medical cones and integrated heater, delivered in individual-packaging Learn More about Sensirion sfm3304 d digital mass flow meter	Datasheet	500Expected 13/01/2027	$46.77 $39.45 $36.66 $33.28 View $32.43 $31.51 Quote	Min.: 1 Mult.: 1	Air Flow Sensor	Gas	Air, Non-Aggressive Gases, Oxygen	- 250 slm to + 250 slm	7 %		Bidirectional	3.15 V to 3.45 V		Plastic
Flow Sensors Digital Airflow sensor SFM3200-250 Sensirion 1: $192.67 30Expected 13/01/2027	Mfr. Part No. SFM3200-250 Mouser Part No 403-SFM3200-250	Sensirion	Flow Sensors Digital Airflow sensor Learn More about Sensirion sfm3200 digital flow meter	Datasheet	30Expected 13/01/2027	$192.67 $180.05 $175.35 $166.89 View $163.60 Quote	Min.: 1 Mult.: 1	Air Flow Sensor	Digital Flow Meter	Air, Oxygen, Non-Aggressive Gases	- 100 slm to 250 slm	7 %		Bidirectional	5 V	26 mm	Plastic
Flow Sensors Pressure-resistant gas flow sensor with high resolution and multi-gas options SFM4300-20-B Sensirion 1: $150.06 35Expected 03/02/2027	Mfr. Part No. SFM4300-20-B Mouser Part No 403-SFM4300-20-B	Sensirion	Flow Sensors Pressure-resistant gas flow sensor with high resolution and multi-gas options Learn More about Sensirion sfm4300	Datasheet	35Expected 03/02/2027	$150.06 $139.89 $136.09 $131.55 View $126.65 Quote	Min.: 1 Mult.: 1	Pressure Resistant Gas Flow Sensor	Flow Sensor	O2, Air, N2O, CO2 and Mixtures	20 slm	3 %		Bidirectional	3.3 V	7 mm	Polyamide (PA)
Flow Sensors Pressure-resistant gas flow sensor with high resolution and multi-gas options SFM4300-20-P Sensirion 1: $159.55 103On Order	Mfr. Part No. SFM4300-20-P Mouser Part No 403-SFM4300-20-P	Sensirion	Flow Sensors Pressure-resistant gas flow sensor with high resolution and multi-gas options Learn More about Sensirion sfm4300	Datasheet	103On Order On Order Ship Dates Mfr. No: SFM4300-20-P Stock: 0 On Order: 47 Pending 56 Expected 25/11/2026 Factory Lead Time: 12 Weeks	$159.55 $148.74 $143.16 $135.77 View $132.30 Quote	Min.: 1 Mult.: 1	Pressure Resistant Gas Flow Sensor	Flow Sensor	O2, Air, N2O, CO2 and Mixtures	20 slm	3 %		Bidirectional	3.3 V	8 mm	Polyamide (PA)
Flow Sensors Sensirion Single-use gas flow sensor for bidirectional flow measurement (-250250slm) with medical cones and integrated heater, delivered in individual-packaging SFM3304-250-D-(10) Sensirion 1: $42.26 100Expected 13/01/2027 New Product	Mfr. Part No. SFM3304-250-D-(10) Mouser Part No 403-SFM3304-250-D10 New Product	Sensirion	Flow Sensors Sensirion Single-use gas flow sensor for bidirectional flow measurement (-250250slm) with medical cones and integrated heater, delivered in individual-packaging Learn More about Sensirion sfm3304 d digital mass flow meter	Datasheet	100Expected 13/01/2027	$42.26 $38.88 $37.61 $35.82 View $35.06 $34.12 Quote	Min.: 1 Mult.: 1	Air Flow Sensor	Gas	Air, Non-Aggressive Gases, Oxygen	- 250 slm to + 250 slm	7 %		Bidirectional	3.15 V to 3.45 V		Plastic
Flow Sensors Digital Mass Flow Meter -30slm to +300slm, robust with Heliox calibration SFM3013-300-CLM Sensirion 20: $187.56 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. SFM3013-300-CLM Mouser Part No 403-SFM3013-300-CLM	Sensirion	Flow Sensors Digital Mass Flow Meter -30slm to +300slm, robust with Heliox calibration Learn More about Sensirion sfm3013 flow meters	Datasheet	Non-Stocked Lead-Time 12 Weeks	$187.56 $185.27 View Quote	Min.: 20 Mult.: 20	Digital Mass Flow Meter	Flow Meter	Air, Oxygen	- 30 slm to 300 slm	3.5 %		Bidirectional	3.3 V	19.8 mm	Polyphenylene Ether (PPE)
Flow Sensors Mass Flow Meter Sensor for Respiratory Applications SFM3100-240-VC Sensirion 30: $181.46 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. SFM3100-240-VC Mouser Part No 403-SFM3100-240-VC	Sensirion	Flow Sensors Mass Flow Meter Sensor for Respiratory Applications Learn More about Sensirion sfm digital flow meters	Datasheet	Non-Stocked Lead-Time 12 Weeks	$181.46 $179.74 View Quote	Min.: 30 Mult.: 30	Mass Air Flow Sensor		Air, Oxygen, Non-Aggressive Gases	- 24 slm to 240 slm	2.5 %	2.4 V	Bidirectional	5 V	14 mm
Flow Sensors Digital Mass Flow Meter for Air, N2 0-20 slm, Downmount SFM4100-Air, N2 Downmount Sensirion 40: $198.59 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. SFM4100-Air, N2 Downmount Mouser Part No 403-SFM4100-AIRN2DM	Sensirion	Flow Sensors Digital Mass Flow Meter for Air, N2 0-20 slm, Downmount Learn More about Sensirion sfm4100 flow meters	Datasheet	Non-Stocked Lead-Time 12 Weeks	$198.59 View Quote	Min.: 40 Mult.: 40	Gas Flow Meter		Air, Non-Aggressive Gases	20 L/min	3 %		Bidirectional	3.5 V to 9 V		Stainless Steel