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Valves & Actuation
79P w PSTA202D.N Positioner

Plastic Pneumatic Actuator Options

Series 79P PST-A202DN SMART Positioner (Electro-Pneumatic)

The PST-A202DN SMART positioner is a 4-20mA positioner used to modulating pneumatic actuators via a proportional signal. The SMART positioner has the option for HART capabilities, which will make it compatible with networking solutions that follow HART protocol. All units have a position transmitter to allow for remote actuator position monitoring. Units feature a small package design for fitting into tight spaces. Local indication is provided via an LCD panel and mechanical pressure gauges are provided.

Ideal Applications Include:

Chemical Processing, Bleach Plants, Aquariums, Mining, Water Treatment, Landfills, Swimming Pools, Power Plants

Specifications

Input current:

4-20mA

Resolution:

0.2% of span

Hysteresis:

+/- 0.5% of span

Conduit entry:

½" NPT

Supply air pressure:

60 – 100 psi

Linearity:

+/- 0.51% of span

Repeatability:

+/- 0.2% of span

Air connection:

¼" NPT

Features/Benefits

  • Simple calibration of positioner with Autocal pushbuttons located inside of positioner housing
  • Transmitter
  • Type 4X enclosure
  • Corrosion resistant polyester powder coated enclosure
  • SS trim
  • LCD visual position indication shown in percentage
  • Pressure gauges
  • ½" conduit entry
  • ¼" NPT air connections
  • Split range capability
  • Reverse acting capability
  • Temperature limit of 185 ◦F

Options

  • Two x SPDT mechanical switches
  • HART capability
  • 316SS enclosure
  • ATEX enclosure
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