Reduced PriceOffersContact UsHelpTrack Orders
Home
Login
Register
My Account
0
0 ItemsHK$0.00
  • All Products
    • Manufacturers
    • Popular Manufacturers
      INFINEON
      STMICROELECTRONICS
      KEMET
      PANASONIC
      AMPHENOL
      ALPHAWIRE
      OMEGA
      NI-EMERSON
      TEKTRONIX
      TE CONNECTIVITY
      LITTELFUSE
      RASPBERRY PI
      View All Manufacturers
      MULTICOMP PRO

      The Engineer's Choice

      From prototype to production

      Learn More

      ACCESS ASSEMBLE ASPIRE

      The right components for tomorrow's success

      Learn More
      • Resources
      • Services
        • Custom Components
        • Purchasing & Procurement support
        • Design Resources
        • Production & Contract Manufacturing Services
        • Education Hub
        • Education Kits
        • Facilitates & Operation Support
        • Packaging Solutions
        View All Services
        Technical Resources
        • DevKit HQ
        • Artificial Intelligence
        • Internet of Things
        • Security & Surveillance
        • Healthcare
        • OEM Solutions
        • EV Charging
        • Transportation
        • Industrial Automation
        • Robotics
        • Maintenance & Safety
        • Wireless Technology
        • Sensor Technology
        • Power Management
        • Motor Control
        • Calculators & Charts
        • Engineering Glossary
        View All Tech Resources
        Help
        • Contact Us
        • New To element14
        • Technical Support
        • Delivery Information
        • Legislation and Environmental
        • FAQ's
        • Feedback
        View All Help
        • Back to Resources
        • Services
          • Back to Services
          • Custom Components
            • Purchasing & Procurement support
              • Design Resources
                • Production & Contract Manufacturing Services
                  • Education Hub
                    • Education Kits
                      • Facilitates & Operation Support
                        • Packaging Solutions
                          • View All Services
                          • Technical Resources
                            • Back to Technical Resources
                            • DevKit HQ
                              • Artificial Intelligence
                                • Internet of Things
                                  • Security & Surveillance
                                    • Healthcare
                                      • OEM Solutions
                                        • EV Charging
                                          • Transportation
                                            • Industrial Automation
                                              • Robotics
                                                • Maintenance & Safety
                                                  • Wireless Technology
                                                    • Sensor Technology
                                                      • Power Management
                                                        • Motor Control
                                                          • Calculators & Charts
                                                            • Engineering Glossary
                                                              • View All Tech Resources
                                                              • Help
                                                                • Back to Help
                                                                • Contact Us
                                                                  • New To element14
                                                                    • Technical Support
                                                                      • Delivery Information
                                                                        • Legislation and Environmental
                                                                          • FAQ's
                                                                            • Feedback
                                                                              • View All Help
                                                                            • Communities
                                                                            • element14
                                                                              Visit the element14 Community for technical discussions, learning content, and opportunities to test new products.
                                                                              hacksterio
                                                                              Hackster is a community dedicated to learning hardware.
                                                                              • Back to Communities
                                                                              • element14
                                                                                • Hackster.io
                                                                                • Bill of Materials (BOM) Upload
                                                                                  • Tools
                                                                                  • Quick Buy
                                                                                    Parts List (BOM) Upload
                                                                                    Request a Quote
                                                                                    All Buying Tools
                                                                                    • Back to Tools
                                                                                    • Quick Buy
                                                                                      • Parts List (BOM) Upload
                                                                                        • Request a Quote
                                                                                          • All Buying Tools
                                                                                          • Offers
                                                                                            • Contact Us
                                                                                              • Help
                                                                                                • Reduced Price
                                                                                                  1. Home
                                                                                                  2. Sensors & Transducers
                                                                                                  3. Sensors
                                                                                                  4. Flow Sensors
                                                                                                  5. Liquid Flow Sensors
                                                                                                  Print Page

                                                                                                  SLF3S-4000B

                                                                                                  Sensor, Liquid Flow, 1 LPM, 3 bar, 6 mm, 3.2V to 3.8V, SLF3x Series

                                                                                                  SENSIRION
                                                                                                  Image is for illustrative purposes only. Please refer to product description.
                                                                                                  SENSIRION SLF3S-4000B
                                                                                                  SENSIRION SLF3S-4000B
                                                                                                  SENSIRION SLF3S-4000B
                                                                                                  ManufacturerSENSIRION
                                                                                                  Manufacturer Part NoSLF3S-4000B
                                                                                                  Order Code3977735
                                                                                                  Product RangeSLF3x Series
                                                                                                  Your Part Number
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  See all Technical Docs
                                                                                                  37 In Stock

                                                                                                  Need more?

                                                                                                  1 Delivery in 1-2 Business Days(SG stock)
                                                                                                  36 Delivery in 3-4 Business Days(UK stock)
                                                                                                  QuantityPrice
                                                                                                  1+HK$1,505.290
                                                                                                  Price for:Each
                                                                                                  Minimum: 1
                                                                                                  Multiple: 1
                                                                                                  HK$1,505.29
                                                                                                  Line Note
                                                                                                  Added to your Order Confirmation, Invoice, and Dispatch note for this order only.

                                                                                                  Product Information

                                                                                                  SENSIRION
                                                                                                  ManufacturerSENSIRION
                                                                                                  Manufacturer Part NoSLF3S-4000B
                                                                                                  Order Code3977735
                                                                                                  Product RangeSLF3x Series
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  Sensor TypeFlow Sensor
                                                                                                  Flow Rate Min-
                                                                                                  Flow Rate Max1l/min
                                                                                                  Operating Pressure Min-
                                                                                                  Operating Pressure Max3bar
                                                                                                  Supply Voltage Min3.2V
                                                                                                  Supply Voltage Max3.8V
                                                                                                  Accuracy10%
                                                                                                  Accuracy± 5%
                                                                                                  Media TypeLiquid
                                                                                                  Process Connection Size-
                                                                                                  Process Connection TypeDual Axial Barbed, Opposite Side
                                                                                                  Pipe Size-
                                                                                                  Sensor MountingClamp Mount
                                                                                                  Operating Temperature Min5°C
                                                                                                  Operating Temperature Max50°C
                                                                                                  Product RangeSLF3x Series
                                                                                                  SVHCNo SVHC (12-Jan-2017)
                                                                                                  Pressure Max3bar
                                                                                                  Port Size6mm
                                                                                                  Supply Voltage DC Max3.8V
                                                                                                  Supply Voltage DC Min3.2V

                                                                                                  Product Overview

                                                                                                  SLF3S-4000B is a liquid flow sensor. It is designed for high-volume applications. It enables precise and reliable measurements of dynamic liquid flow rates bi-directionally. The SLF3S-4000B sensor features a digital interface (I2C) via a 6-pin standard electrical connector. The SLF3S-4000B builds on the latest generation CMOSens® sensor chip that is at the heart of Sensirion’s flow sensing platform and allows achieving an outstanding performance. The patented CMOSens® technology combines the sensor element, signal processing and digital calibration on a small CMOS chip. The well-proven CMOS technology is perfectly suited for high-quality mass production and is the ideal choice for demanding and cost-sensitive OEM applications. The completely liquid flow sensor portfolio benefits users who want to source their sensor technology from one specialist in automation solutions and fluid systems.

                                                                                                  • High reliability and long-term stability
                                                                                                  • Best signal–to-noise ratio
                                                                                                  • Industry-proven technology with a track record of more than 20 years
                                                                                                  • Designed for mass production and high process capability
                                                                                                  • 600ml/min full scale flow rate (H2O/IPA)
                                                                                                  • 5% accuracy (H2O)/10% accuracy (IPA), 0.5% repeatability (H2O/IPA)
                                                                                                  • 3bar maximum operating pressure
                                                                                                  • 3.2 to 3.8V supply voltage
                                                                                                  • 6mA maximum supply current
                                                                                                  • Size (LxWxH) is 48mm x 15.49mm x 8.38mm

                                                                                                  Technical Specifications

                                                                                                  Sensor Type

                                                                                                  Flow Sensor

                                                                                                  Flow Rate Max

                                                                                                  1l/min

                                                                                                  Operating Pressure Max

                                                                                                  3bar

                                                                                                  Supply Voltage Max

                                                                                                  3.8V

                                                                                                  Accuracy

                                                                                                  ± 5%

                                                                                                  Process Connection Size

                                                                                                  -

                                                                                                  Pipe Size

                                                                                                  -

                                                                                                  Operating Temperature Min

                                                                                                  5°C

                                                                                                  Product Range

                                                                                                  SLF3x Series

                                                                                                  Pressure Max

                                                                                                  3bar

                                                                                                  Supply Voltage DC Max

                                                                                                  3.8V

                                                                                                  Flow Rate Min

                                                                                                  -

                                                                                                  Operating Pressure Min

                                                                                                  -

                                                                                                  Supply Voltage Min

                                                                                                  3.2V

                                                                                                  Accuracy

                                                                                                  10%

                                                                                                  Media Type

                                                                                                  Liquid

                                                                                                  Process Connection Type

                                                                                                  Dual Axial Barbed, Opposite Side

                                                                                                  Sensor Mounting

                                                                                                  Clamp Mount

                                                                                                  Operating Temperature Max

                                                                                                  50°C

                                                                                                  SVHC

                                                                                                  No SVHC (12-Jan-2017)

                                                                                                  Port Size

                                                                                                  6mm

                                                                                                  Supply Voltage DC Min

                                                                                                  3.2V

                                                                                                  Technical Docs (3)

                                                                                                  Certificate of Conformity EN

                                                                                                  CAD Multiple Formats EN

                                                                                                  Technical Data Sheet EN

                                                                                                  Legislation and Environmental

                                                                                                  Country of Origin:
                                                                                                  Country in which last significant manufacturing process was carried outCountry of Origin:
                                                                                                  Switzerland
                                                                                                  Country in which last significant manufacturing process was carried out
                                                                                                  Tariff No:90261029
                                                                                                  US ECCN:EAR99
                                                                                                  EU ECCN:NLR
                                                                                                  RoHS Compliant:Yes

                                                                                                  RoHS

                                                                                                  RoHS Phthalates Compliant:Yes

                                                                                                  RoHS

                                                                                                  SVHC:No SVHC (12-Jan-2017)
                                                                                                  Download Product Compliance Certificate

                                                                                                  Product Compliance Certificate

                                                                                                  Weight (kg):.007235
                                                                                                  Customer Service
                                                                                                  Sales +852 2268 9888
                                                                                                  Technical +852 2268 9878
                                                                                                  Live Agent
                                                                                                  Submit Feedback
                                                                                                  FAQs
                                                                                                  Quick Links
                                                                                                  Track my order
                                                                                                  Order History
                                                                                                  Return a Product
                                                                                                  Delivery Information
                                                                                                  Our Company
                                                                                                  About Us
                                                                                                  Quality Policy
                                                                                                  Careers
                                                                                                  Corporate Responsibility
                                                                                                  Social Media +

                                                                                                  Subscribe to become an exclusive element14 insider!

                                                                                                  LinkedIn
                                                                                                  Twitter
                                                                                                  Facebook
                                                                                                  Norton Secured
                                                                                                  Mark of Trust ANAB
                                                                                                  BSI 9001
                                                                                                  Visa
                                                                                                  Mastercard
                                                                                                  Trade Account
                                                                                                  Privacy Statement
                                                                                                  Legal and Copyright Notices
                                                                                                  Terms & Conditions
                                                                                                  Terms of Use for API
                                                                                                  Sitemap
                                                                                                  An Avnet Company© 2025 Premier Farnell Limited. All Rights Reserved.
                                                                                                  e絡盟 is a trading name of eluomeng Limited.
                                                                                                  Registered number: 559890 | Registered office: 21st Floor, Tower 2, Enterprise Square Five, 38 Wang Chiu Road, Kowloon Bay, Kowloon, Hong Kong.