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Instantly add the 738 Series Differential Pressure LiquiSeal™ Purge Control Level Transmitter and 50,000+ more product series to your store or catalog  
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738 Series Differential Pressure LiquiSeal™ Purge Control Level Transmitter

Brand: King Engineering
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Features
  • Fully Integrated Air Purge Regulator that Provides Continuous Level Measurement
  • Integral Differential Pressure Transmitter Provides 4 mAdc to 20 mAdc Output Proportional to Liquid Level
  • Reliable Proven Sensing Technique
  • A Highly Refined Versions of the Basic Bubbler Air Control
  • All-pneumatic Version Available
  • Simple to Install and Maintain

Specifications

Brand

Output Signal

  • 4 mAdc to 20 mAdc (milliamperes)

Accuracy

  • ± 0.34 % Full Scale
  • ± 0.27 % Full Scale
  • ± 0.24 % Full Scale
  • ± 0.22 % Full Scale
  • ± 0.21 % Full Scale

Repeatability

  • ± 0.20 % of calibrated span

Temperature Range

  • 0° F to 120° F
  • -16° C to 54° C

Maximum Pressure

  • 300 % over-Range

Burst Pressure

  • 200 psig

Power Requirement

  • 14 Vdc to 40 Vdc

Compressed Air Requirement

  • 35 psig to 150 psig supply pressure at control inlet
  • Minimum supply pressure should be at least 20 psig greater than anticipated Max. liquid head pressure

Maximum Depth Measurement

  • 1,937 inH₂O
  • 49.0 m

DP Purge Control

  • Unit incorporates differential air flow regulator with flow control orifice
  • Fixed differential set to nominal 10 psid. Output is 1: 1 pneumatic pressure - hydrostatic force equivalent
  • Includes an integral differential pressure (D/P) transmitter converting pneumatic pressure into 4 mAdc to 20 mAdc electronic output
  • Ranges available: 0 psid to 5 psid, 0 psid to 10 psid to 30 psid, 0 psid to 50 psid

Air Purge Flow Rate

  • Nominal 1 cfh - cubic feet per hour - at specified differential
  • Maximum air consumption under 5 cfh

Materials of Construction

  • Machined brass body with acrylic semi-gloss enamel finish, integral filter element is aluminum with acrylic semi-gloss enamel finish

Documentation

Product Information

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