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

                                                                                                  Data Sheet

                                                                                                  See all Technical Docs
                                                                                                  60 In Stock

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                                                                                                  QuantityPrice (ex VAT)
                                                                                                  1+kr 1,651.000
                                                                                                  5+kr 1,533.000
                                                                                                  10+kr 1,491.000
                                                                                                  25+kr 1,451.000
                                                                                                  50+kr 1,412.000
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                                                                                                  kr 1,651.00 (ex VAT)
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                                                                                                  Product Information

                                                                                                  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
                                                                                                  Accuracy± 5%
                                                                                                  Accuracy10%
                                                                                                  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 compact liquid flow sensor made to measure the next level in liquid flow sensing for high-volume applications. It 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 benefits of Sensirion’s CMOSens® technology are 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 H2O full scale flow rate, High flow sensing up to ±1000ml/min
                                                                                                  • Calibrated for H2O and IPA
                                                                                                  • Temperature compensated
                                                                                                  • Turn down ratio 200:1 or better
                                                                                                  • Very compact and light-weight form factor
                                                                                                  • Response time below 20ms
                                                                                                  • No moving parts inside flow path
                                                                                                  • Supply voltage DC range from 3.2VDC to 3.8VDC
                                                                                                  • 6mA max supply current IDD (measurement), 0.6mA max supply current IDD (Idle mode)
                                                                                                  • Operating temperature range from 5 to +50°C

                                                                                                  Technical Specifications

                                                                                                  Sensor Type

                                                                                                  Flow Sensor

                                                                                                  Flow Rate Max

                                                                                                  1l/min

                                                                                                  Operating Pressure Max

                                                                                                  3bar

                                                                                                  Supply Voltage Max

                                                                                                  3.8V

                                                                                                  Accuracy

                                                                                                  10%

                                                                                                  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

                                                                                                  ± 5%

                                                                                                  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):.003175
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