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Monitor the air flow rate of your HVAC/R system, clean room ventilation, exhaust and other areas from a distance with air flow transmitters and air velocity transmitters. Sensing probes and field-selectable ranges help you gather the data you need, and bright LED displays make it easy to monitor readouts with a quick glance as you work.
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Uses a heated mass flow sensor, which allows for precise velocity measurements at various flow rates and temperatures. With 16 field selectable ranges from 0-250 to 15,000 FPM (0-1.25 to 75 MPS) it provides versatility for multiple of applications. Longer cable lengths are available for ducts that are at very high elevations from the plant floor.
This transmitter uses a heated mass flow sensor which allows for precise velocity measurements at various flow rates and temperatures. The 641's 16 field selectable ranges provides it the versatility to be selected for several air flow applications. The optional LED produces a complete, low-cost solution for local indication of air flow.
