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                                                                                                • Reduced Prices
                                                                                                  1. Home
                                                                                                  2. Sensors & Transducers
                                                                                                  3. Sensors
                                                                                                  4. Flow Sensors
                                                                                                  5. Flow Switches
                                                                                                  Print Page

                                                                                                  AVFS-2

                                                                                                  Air Flow Switch, SPST-NO, 197 to 1969 FPM, 3A, 250VAC/30VDC, 14.7 psi, IP65, AVFS Series

                                                                                                  DWYER AVFS-2
                                                                                                  Image is for illustrative purposes only. Please refer to product description.
                                                                                                  ManufacturerDWYER
                                                                                                  Manufacturer Part NoAVFS-2
                                                                                                  Order Code4288167
                                                                                                  Product RangeAVFS Series
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  See all Technical Docs
                                                                                                  1 In Stock

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                                                                                                  QuantityPrice (ex VAT)
                                                                                                  1+kr 4,054.000
                                                                                                  5+kr 3,941.000
                                                                                                  10+kr 3,684.000
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                                                                                                  Multiple: 1
                                                                                                  kr 4,054.00 (ex VAT)
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                                                                                                  Product Information

                                                                                                  ManufacturerDWYER
                                                                                                  Manufacturer Part NoAVFS-2
                                                                                                  Order Code4288167
                                                                                                  Product RangeAVFS Series
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  Flow Switch TypeSPST-NO
                                                                                                  Flow Rate Min-
                                                                                                  Flow Rate Max-
                                                                                                  Operating Pressure Min-
                                                                                                  Operating Pressure Max14.7psi
                                                                                                  Supply Voltage Min18VDC
                                                                                                  Supply Voltage Max30VDC
                                                                                                  Contact Rating3A
                                                                                                  Switching Voltage AC Max250V
                                                                                                  Switching Voltage DC Max30V
                                                                                                  Media TypeAir
                                                                                                  Process Connection Size-
                                                                                                  Process Connection Type-
                                                                                                  Pipe Size-
                                                                                                  Housing MaterialPBT (Polybutylene Terephthalate)
                                                                                                  Pressure Max14.7psi
                                                                                                  Operating Temperature Min-10°C
                                                                                                  Operating Temperature Max50°C
                                                                                                  Product RangeAVFS Series
                                                                                                  Qualification-
                                                                                                  SVHCTo Be Advised
                                                                                                  Supply Voltage DC Max30V
                                                                                                  Supply Voltage DC Min18V

                                                                                                  Product Overview

                                                                                                  AVFS-2 is a 24VDC power thermo air flow switch, specifically designed to monitor air flow in ducts and provides a 3A contact output to indicate a change or loss of flow. The AVFS provides a ±5% set-point repeatability across a full scale range of 1-10m/s (197-1969fpm) and includes a mounting bracket for quick duct mounting.

                                                                                                  • Integral red/green air flow status LEDs
                                                                                                  • Flush sensor design limits issues due to dust or particulate in the air flow
                                                                                                  • IP65 construction
                                                                                                  • Temperature limits range from 5 to 122°F (-10 to 50°C)
                                                                                                  • PBT body, titanium sensor wetted materials
                                                                                                  • N.O. SPST switch type
                                                                                                  • IP65 enclosure rating
                                                                                                  • 1 red LED/1 green LED display

                                                                                                  Technical Specifications

                                                                                                  Flow Switch Type

                                                                                                  SPST-NO

                                                                                                  Flow Rate Max

                                                                                                  -

                                                                                                  Operating Pressure Max

                                                                                                  14.7psi

                                                                                                  Supply Voltage Max

                                                                                                  30VDC

                                                                                                  Switching Voltage AC Max

                                                                                                  250V

                                                                                                  Media Type

                                                                                                  Air

                                                                                                  Process Connection Type

                                                                                                  -

                                                                                                  Housing Material

                                                                                                  PBT (Polybutylene Terephthalate)

                                                                                                  Operating Temperature Min

                                                                                                  -10°C

                                                                                                  Product Range

                                                                                                  AVFS Series

                                                                                                  SVHC

                                                                                                  To Be Advised

                                                                                                  Supply Voltage DC Min

                                                                                                  18V

                                                                                                  Flow Rate Min

                                                                                                  -

                                                                                                  Operating Pressure Min

                                                                                                  -

                                                                                                  Supply Voltage Min

                                                                                                  18VDC

                                                                                                  Contact Rating

                                                                                                  3A

                                                                                                  Switching Voltage DC Max

                                                                                                  30V

                                                                                                  Process Connection Size

                                                                                                  -

                                                                                                  Pipe Size

                                                                                                  -

                                                                                                  Pressure Max

                                                                                                  14.7psi

                                                                                                  Operating Temperature Max

                                                                                                  50°C

                                                                                                  Qualification

                                                                                                  -

                                                                                                  Supply Voltage DC Max

                                                                                                  30V

                                                                                                  Technical Docs (1)

                                                                                                  Technical Data Sheet EN

                                                                                                  Legislation and Environmental

                                                                                                  Tariff No:90261089
                                                                                                  US ECCN:EAR99
                                                                                                  EU ECCN:NLR
                                                                                                  RoHS Compliant:To be advised
                                                                                                  RoHS Phthalates Compliant:To be advised
                                                                                                  SVHC:To Be Advised
                                                                                                  Download Product Compliance Certificate

                                                                                                  Product Compliance Certificate

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