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641B-4-LED
Air velocity transmitter with LED display.
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Product Specs
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| Accuracy | ± 5 % |
| Accuracy Note | 5% FS process gas: 32 to 122°F (0 to 50°C); 6% FS process gas: -40 to 32°F and 122 to 176°F (-40 to 0°C and 50 to 80°C) |
| Air Velocity, Max | 2000 FPM |
| Air Velocity, Min | 250 FPM |
| Display Type | LED |
| Electrical Connection | Screw Terminal |
| Electrical Output | 4 to 20 mA |
| Filter | 0.5 to 15 s (Selectable) |
| Loop Resistance | 600 Ω max |
| Media Compatibility | Air, Argon, Carbon dioxide, Helium, Nitrogen, Non-Corrosive Dry Gases |
| Mounting Orientation | None |
| Number of Wires | 4 |
| Operating Temperature, Max | 140 °F |
| Operating Temperature, Min | 32 °F |
| Output Detail | 4 to 20 mA, isolated 24 V source, 3 or 4-wire connection |
| Power Consumption | 300 mA |
| Probe Length | 4 in |
| Process Temperature, Max | 176 °F |
| Process Temperature, Min | -40 °F |
| Relative Humidity | Non-Condensing |
| Response Time | 1.5 s to 95% |
| Response Time Note | Flow: 1.5 s to 95% of final value (output filter set to minimum) |
| Supply Power Note | 12 to 35 Vdc, 10 to16 Vac. 1.5 A rating required on supply due to initial power surge drawn by transmitter |
| Supply Power Type | AC/DC |
| Supply Voltage | 10 to 16 Vac, 12 to 35 Vdc |
| Weight | 12.6 oz |
| See All Specs | |
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