4-20 Positioner | Series 57

• Advantages:
  • Three piece high performance ball valve
  • Rugged aluminum housing with triple corrosion-resistant interior
  • Bleed pilot valve reduces air consumption by more than 50%
  • Precise calibration with simple SPAN and ZERO adjustments
  • Unique magnetic 4-20 mA I/P converter provides automatic compensation for supply pressure, atmospheric pressure and ambient temperature changes, and is unaffected by EMF
  • Precision zero-hysteresis coupling system provides superior accuracy and repeatability by eliminating "slop"
  • Stainless gauges standard
• Options: 4-20 in, 4-20 out, NEMA 4 and NEMA 7 and stainless steel gauges standard.