Model 641B Air Velocity Transmitter
Dirty Air Flow Applications
The Series 641B Air Velocity Transmitter uses a heated mass flow sensor suitable for dirty air flow applications. It has user-selectable ranges from 250 FPM (1.25 MPS) to 2000 FPM (10 MPS).
Select & Configure Model
| Base Model # | Description | Normally In Stock | Configure Part # |
| 641B-4 | Air velocity transmitter. | Inquire | |
| 641B-4-LED | Air velocity transmitter with LED display. | Inquire |
