Last Updated: 11/09/2018

Setra 256 Gauge Pressure Sensor

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Part Number: Setra 256 Categories: , Tags: , ,

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Setra 256 Features

  • Low Cost
  • High Accuracy
  • NEMA-4/IP65
  • Wide Operating Temperature Range
  • Compatible with a Wide Range of Gases or Liquids
  • Corrosive Resistant All Stainless Steel Wetted Parts
  • Choice of Voltage or Current Output
  • Operates on Low Cost Unregulated Power Supply


Model 256 pressure transmitter is designed and manufactured by patented technology – variable capacitance sensing technology. The 17-4PH stainless steel diaphragm and its rigidly connected ceramic gold-plated electrode form a variable capacitor. When the pressure changes, the capacitance value can also be A change occurs, this capacitance value is detected, and the change in capacitance is converted to a precise linear DC signal by Setra’s unique integrated circuit.

Suitable for corrosive liquids or gases

The Model 256 cast aluminum housing features a dual-cavity design with sensitive components and circuitry and a single cavity for the terminals. The Model 256 uses a “dry” capacitor structure that is internally filled with silicone oil or fluoro oil, so it does not contaminate the measurement media. The Model 256 is NEMA4-compliant and can be used 24 hours a day.

Wide range of measurement

The Model 256 Pressure Transmitter has a wide measuring range, small size, easy installation and wiring, and can be widely used in chemical, petroleum, coal mine and other all-weather environments.

Data Sheet: Setra Model 256 Data Sheet

Instruction Manual: Setra Model 256 Operating Instructions