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Action FieldPak IP81 Explosion Proof Current to Pressure Transducer

Produces a Pneumatic Output in Response to a Current Input.


Features:
  • Compact Size
  • Explosion Proof
  • Intrinsically Safe
  • Mount in Any Orientation
  • Easy Wiring
  • ccuracy ±0.10% of Span
  • RFI/EMI Protected
  • Supply Pressures up to 100psig

IP81-2000EX (NEMA 4X, 3-27psig output)
IP81-3000EX (NEMA 4X, 3-15psig output)
IP81-4000EX (NEMA 4X, 6-30psig output)

Description
The IP81 Explosion proof current to pressure transducer produces a pneumatic output that is directly proportional to a current input signal. A closed loop pressure feedback control system provides a highly accurate, stable air pressure output for the operation of actuated valves. The unit can mount in any position and is insensitive to vibration. Its compact housing and easily accessible ports and adjustments make setup and installation simple. An integral volume booster provides high flow capacity, which increases control speed in critical applications.

This compact I/P transducer delivers reliable high performance for the toughest applications in the most hazardous environments. The IP81 converts an electrical current signal to a stable, pneumatic output to actuate valves. Its NEMA 4X (IP65) housing is designed for both intrinsically safe and explosion proof operation. Advanced circuitry includes electronic feedback control for superior vibration protection and highly accurate output. With flow rates up to 12 SCFM (20m /hr), the IP81 has the muscle to drive large valves and actuators. It is very economical to operate, consuming only 0.05 SCFM (0.11m /hr), which is especially important in natural gas applications. Its small footprint can fit into tight spots. An optional mounting kit lets you mount it directly on a valve, wall, panel, or 2” pipe. And since the IP81 is position insensitive, it provides even more freedom in mounting and connecting to valves and instruments. Easy access Zero and Span adjustments make bench or field calibration quick and easy.

For operating versatility, you can choose direct, reverse, and split range modes. A piezoelectric bimorph actuator and surface mounted electronics are conveniently mounted on a removable control manifold that allows easy maintenance. The IP81 can be out of the box and up and running quickly. Whether designing a new control system or upgrading an old one, the IP81 is the best unit for the job. It is a great combination of performance and value. contact Action Instruments today and one of our application specialists will be happy to discuss your needs.

The IP8 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 control circuitry. The feedback circuit compares this signal to the input signal and self corrects as necessary, thus minimizing the effects of vibration, position, temperature and supply pressure. The current signal flows to the piezo actuator causing it to bend toward the nozzle. This restricts the flow of air through the nozzle and creates back pressure in the pilot pressure chamber. This back pressure acts as a signal pressure which in turn controls the pressure at the output.

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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