Model T8000 Miniature Two Wire P/I Pressure Transducer

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The Fairchild T8000 Series is designed for precision applications providing maximum versatility. The modular construction permits any basic unit to be used in the explosion-proof, rack, wall, pipe, panel, DIN rail or 3, 5, 10, or 15-unit manifold configurations. Servicing or calibration is quick and easy.


  • Field reversible feature provides output which is directly or inversely proportional to the input signal.
  • RFI/EMI Protection eliminates susceptibility to electromagnetic and radio interference.
  • Outputs of 4-20 mA or 10-50 mA cover standard loop outputs.
  • Seven input signal ranges cover all standard inputs.
  • Compact size permits use in space restricted areas.
  • Explosion-Proof NEMA 4X, IP65, Type 4 Enclosure available for outdoor and indoor installations.
  • Input and Output ports on both front and rear simplifies pneumatic piping.
  • Conduit Fitting, Terminal strip or DIN connectors allow easy wiring to units.
  • Various mounting configurations allow installation flexibility for most applications.

Operating Principles

Standard Range
The Fairchild T8000 Series is a miniature two wire pressure device that converts a pneumatic input signal to a linearly proportional output current.

The PC Board Assembly contains a Piezoresistive Pressure Sensor, which is connected in a Wheatstone bridge configuration. The input air pressure on the Pressure Sensor induces a Piezoresistive change which causes a bridge unbalance. As a result, a differential signal is applied to the current source device which supplies the loop.

The Zero and Span adjustments are easily accessible from the front of the unit. The T8000 Series may be configured as a Single or Dual Channel Unit. The Dual Channel Unit consists of two PC Boards that are enclosed within the same housing and function independently of each other. This unit may be offered in any one of the seven standard input pressure signals or in any combination.

The Fairchild TX8000 Unit consists of a Fairchild TT8000 Series Transducer enclosed in an explosion-proof NEMA 4X (IP65) housing.


See the Catalogue Pages for full Specification including associated approvals.

Catalogue PDF: application/pdf
Operational PDF: application/pdf
Located in: Transducers

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