Series SFI-800 Sight Flow Indicator-Transmitter
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Model 641B Air Velocity Transmitter
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Series 641RM Air Velocity Transmitter with Cable

Product Applications

  • Clean Room Fresh Air Supply
  • HVAC Air Velocity Measurements
  • Fan Supply and Exhaust Tracking
  • Ensure Proper Lab Hood Exhaust Flow Rates

The Series 641RM is the ideal instrument for monitoring air flow. 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 from 0-250 to 15,000 FPM (0-1.25 to 75 MPS) provide it the versatility to be selected for a multitude of applications. The units 6′ cable which connects the sensing probe with the electronic enclosure allows the enclosure to be mounted where it can be more easily accessed. Longer cable lengths are available fro ducts that are at very high elevations from the plant floor. The optional LED produces a complete, compact solution for local indication of air flow.

Series 641RM Air Velocity Transmitter with Cable
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