The Fairchild TD7800-414 is an electro-pneumatic transducer from the Model T7800 series, designed to convert electrical signals into precise pneumatic output. Here's a detailed breakdown:

Specifications

• Input Signal: 4–20 mA
• Output Pressure: 0 to 2.0 BAR (approx. 0–30 psig)
• Supply Pressure: Up to 150 psig
• Flow Capacity: 11 SCFM at 150 psig supply
• Accuracy: ±0.25 of full scale
• Pressure Connections: 1/4" FNPT
• Electrical Connection: DIN 43650 plug
• Body Material: Aluminum
• Diaphragm: Nitrile or Dacron
• Mounting: Panel or manifold mount
• Features:
  • Reversible output
  • Internal electronic feedback for precise control
  • RFI/EMI protection
  • Compact design suitable for tight installations