Model T1750 High-Pressure Transducer

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Details:

The Fairchild T1750 Transducers have a closed-loop, integrated, microprocessor control system that regulates outlet pressure. The output can be controlled from the Model T1750 using the keypad or from an analog control signal.

Features

  • Output pressure displays in psig, [BAR], (kPa), or user-defined pressure units.
  • Reverse acting capability for analog input and output signals.
  • Select Current or Voltage mode for input signal or optional analog channels using the keypad.
  • Independently adjustable PID tuning coefficients.
  • Fully functional keypad and display.
  • Backlit Liquid Crystal display screen.
Operating Principles

The Feed and Bleed Solenoid Valves control pressure in the Signal Chamber of the Booster Section. A pressure sensor measures the outlet pressure and provides a feedback signal to the Electronics Section. Any variation in pressure between the setpoint and the outlet pressure activates the Feed and Bleed Solenoid Valves to change the output pressure.

Specifications:

Supply Pressure
1000 psig, [70 BAR], (7000 kPa) Maximum
Flow Capacity
220 SCFM (373.8 m3/HR) @ 600 psig, [40 BAR], (4000 kPa) supply
1000 SCFM (1699.2 m3/HR) @ 600 psig, [40 BAR], (4000 kPa) supply
Exhaust Capacity
190 SCFM (322.8 m3/HR) where downstream pressure is 300 psig, [21.0 BAR], (2100 kPa) above 20 psig, [1.5 BAR], (150 kPa) setpoint
Supply Pressure Effect
No Measurable Effect
Input Signal
4-20 mA, 0-10 VDC
Electrical Supply
24 VDC ± 10%
Power Consumption
Less than 5 watts
Analog Output Signal / Impedance
4-20 mA / 500 ohms Max., 0-10 VDC / 400 ohms Min.
Air Consumption
0 @ steady state output with Deadband @ 1% of Full Scale
Ambient Temperature Limits
0°F to +140°F, (-18°C to 60°C)
Accuracy / Repeatability / Linearity / Hysterisis
< +/- 0.50% of Span (per ISA S51.1)
Deadband
Adjustable from 0-10% of Full Scale
Materials of Construction
Body and Housing: Chromate Treated Aluminum
Cover and Pintle: Acetel Plastic
Trim: Plated Steel
Elastomers: Fluorocarbon and Silicone
Finish: Anodize

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

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