Transmitters monitor air flow.

Press Release Summary:




Series 641 uses heated mass-flow sensor that allows for precise velocity measurements at various flow rates and temperatures. Units have adjustable span and digital filter for signal damping. Each has 16 field-selectable ranges from 0-250 to 15,000 fpm. Optional LED provides local indication of air flow. Applications include exhaust stack flow monitoring, air control in drying processes, HVAC air velocity measurements and fan supply and exhaust tracking.



Original Press Release:



NEW Compact Transmitter for Monitoring Air Flow Announced by Dwyer Instruments



Dwyer Instruments, Inc., the preferred source for your complete range of practical and affordable instrumentation, has just released the NEW Series 641 Air Velocity Transmitter. Ideal for monitoring air flow, this compact transmitter uses a heated mass flow sensor that allows for precise velocity measurements at various flow rates and temperatures.

The Series 641 Air Velocity Transmitter is an extremely versatile unit for nearly all air flow applications. Units have adjustable span and digital filter for signal damping. Each Series 641 has 16 field selectable ranges from 0-250 to 15,000 FPM (0-1.25 to 75 MPS. The optional LED produces a complete, low-cost solution for local indication of air flow.

Applications include exhaust stack flow monitoring, air control in drying processes, HVAC air velocity measurements and fan supply and exhaust tracking. The standard Series 641 Air Velocity Transmitter is priced at $450.00 and the LED option is priced at $550. Stocked probe lengths are 6, 12 and 18-inches
[15.2, 30.5 and 45.7 cm]. Other probe lengths are available upon request.

Dwyer Instruments, Inc. produces a broad range of measurernent and control instruments for pressure, temperature, level, flow, and related applications. For more information, or to order a free catalog, contact Dwyer Instruments, Inc., P.O. Box 373, Mlichigan City, IN 46361. Phone: (219) 879-8000; Fax: (219)
872-9057. Internet address: dwyer-inst.com; E-mail: lit@dwyer-inst.com.

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