Model 168 Differential Pressure Transmitter

Product Options:



The Model 168 Series are low range differential pressure transducers and transmitters in HVAC building automation, high accuracy pharmaceutical and health care facilities. It is with NEMA 4 (IP-65) rated aluminum enclosures, they are very rugged and very reliable. The Model 168 delivers reliable measurements below 0.05 inches of water.

Key Features:

  • Up to 15 PSI Proof Pressure on all Ranges
  • Miswiring Full Protection
  • Unsymmetrical Bidirectional Pressure Ranges
  • True Zero Output for Voltage Unit


  • 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 4/IP65; Die-cast aluminum
  • Mounting: surface mount
  • Output signal: current or voltage

Process Applications:

  • HVAC and VAV Control
  • Clean Room and Isolation Rooms
  • Duct Static Pressure Measurement
  • Draft Control and Fume Hood Control
  • Furnace Air Flow Control
  • Power Plant Air Flow Monitor and Control

Product Details

Contact Us for Support



Email Updates

Keep up with latest on products and applications.
Sign up for Alpha Instruments enews.

Related Products

Model 167 Differential Pressure Transducer

List Price Starting At:$175

Model 175 Differential Pressure Transducer

List Price Starting At:$150

Model 178 Differential Pressure Transmitter

List Price Starting At:$280

Copyright © 2020 Alpha | All Rights Reserved