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Action FieldPak IP71 Intrinsically Safe Current to Pressure Transducer

Produces a Pneumatic Output in Response to a Current Input.


Features:
  • Compact size TM
  • Intrinsically safe
  • Mount in any orientation
  • Easy wiring
  • Accuracy ±0.10% of span
  • RFI/EMI protected
  • I/O ports on front and back
  • Supply pressures to 100psig

IP71-2000M (3-27psig output)
IP71-3000M (3-15psig output)
IP71-4000M (6-30psig output)

Description
The IP71 transducer converts a current signal to a proportional pneumatic output. Using closed-loop pressure feedback circuitry, it provides precise, stable pressure outputs to final control elements. Immunity to vibration or mounting position, high toler- ance to impure air, and low air consumption make this unit ideal for demanding applications. The compact housing, accessible ports and easy adjustments make it perfect for constrained spaces. An integral volume booster provides high flow capacity, increasing control speed in critical applications.

Applications
The bimorph piezo actuator encapsulated in a protective skin provides defense against humidity and contaminants often found in process operating environments. The IP71 utilizes a nozzle to control a pilot pressure to an integral volume booster. The resultant output pressure is measured by a pressure sensor which in turn provides a feedback signal to the circuitry. The feedback circuit compares this signal to the input signal and self corrects as necessary, thus minimizing the effects of variation in vibration, position, temperature, and supply pressure. The current signal flows to the piezo actuator causing the actuator to move toward a nozzle. This restricts the flow of air through the nozzle and creates back pressure in the nozzle which acts as a pilot pressure to an integral booster relay.

Click here for the complete information in .pdf format

 

 
 
CTH Controls Inc.   CTH Controls Inc.
6-1500 Upper Middle Rd. W. Suite 220
Oakville, ON, Canada, L6M 0C2
Phone: 905-792-6829
Toll Free: 1-888-550-6829
Fax: 905-792-6902
sales@cthcontrols.com
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