Dwyer 641RM Air Velocity Transmitter

Remote probe for remotely mounting electronic enclosure, ranges from 250 FPM (1.25 MPS) to 15,000 FPM (75 MPS).

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Features

  • 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 6´ 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
Dwyer A-158 Split Flange

Split mounting flange for use with pitot tubes and probe assemblies.

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Dwyer A-159 Mounting Gland
Dwyer A-159 Mounting Gland

Mounting gland with 1/2" male NPT.

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