Dwyer 641RM Air Velocity Transmitter
Starting at $478.00

Not in stock. Usually ships in 3-5 business days [?]

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  • Ranges from 250 FPM (1.25 MPS) to 15,000 FPM (75 MPS)
  • LED display option
  • Easy push button set-up
  • Compact housing
  • 4 to 20 mA output
  • Digital filter for signal damping

The Dwyer 641RM Air Velocity Transmitter features the same highly accurate heated mass flow sensor as the Series 641, with a remote probe construction. The units 6ยด cable which connects the sensing probe with the electronic enclosure allows the enclosure to be mounted where it can be more easily accessed.

Applications for the 641RM include:

  • Exhaust stack flow monitoring
  • Air control in drying processes
  • HVAC air velocity measurements
  • Fan supply and exhaust tracking
  • Clean room ventilation monitoring
Dwyer A-158 Split Flange
Split mounting flange for use with pitot tubes and probe assemblies
Dwyer A-159 Mounting Gland
Mounting gland with 1/2" male NPT