Model 179 Differential Pressure Transmitter

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The Model 179 Series are low range differential pressure transmitters in HVAC building automation, high accuracy pharmaceutical and health care facilities. Each unit features a push-activated pressure equalization button, two Zero push buttons, a LCD, and two LED lamps. With a convenient push button, the zero calibration can be performed without any additional equipment.

Key Features:

  • SS304 Front Panel Mounting
  • 3-1/2 Digit LCD Display
  • Push Button Zero Calibration
  • Up to 15 PSI Proof Pressure on all Ranges
  • Miswiring Full Protection


  • Accuracy: ±0.25%, ±0.40% or ±0.60% of span
  • Differential Pressure Ranges:
  • Unidirectional: 0.10 in.W.C. to 100.00 in.W.C.
  • Bidirectional: ±0.10 in.W.C. to ±50.00 in.W.C.
  • NEMA 1; Stainless Steel
  • Mounting: surface mount
  • Output signal: current or voltage

Process Applications:

  • Clean Room and Isolation Rooms
  • Draft Control and Fume Hood Control
  • Furnace Air Flow Control
  • Power Plant Air Flow Monitor and Control

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