Dwyer 641B-4-LED Air Velocity Transmitter (LED Display)
Dwyer Instruments 641B-4-LED with Air Velocity Transmitter Model 641B with LED display. Order #: 641B-4-LED. Mfg #: 641B-4-LED
$279.00
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Dwyer 641B-4-LED Air Velocity Transmitter Detailed Specs
| Brand | Dwyer Instruments |
| Model & MPN | 641B-4-LED |
| Country of Origin | USA |
| Sensor Principle | Heated Mass Flow Sensor |
| Velocity Range | 0 to 2000 fpm (10 m/s) |
| Accuracy Statement | ±3% of Full Scale (at standard conditions) |
| Resolution | Analog output dependent; 4.5 digit LED display resolution |
| Probe Specification | Fixed 6 inch (152.4 mm) Stainless Steel probe; 5/16 inch diameter |
| Temperature Limit | Process: -40 to 212 °F (-40 to 100 °C) |
| Output Interface | Analog 4-20 mA (Loop-powered) |
| Display Technology | Integrated 4.5 digit LED display for local monitoring |
| Response Time | Fast (0.5 sec) or Slow (1.5 sec) - Field Selectable |
| Standard Warranty | 1 Year |
| Professional Application | Permanent industrial ventilation auditing, fume hood monitoring, and air supply process control |
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