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Overview

The AST4500 and AST4510 series is certified for ATEX / IECEx Ex ia IIB T4 Ga (Ta = -40°C to +80°C).  For pressure ranges from 0-1 to 0-100 PSI that require a wide range of media compatibility, the submersible series is an excellent solution to level monitoring for indoor and outdoor applications. The AST4500 and AST4510 level sensor is completely sealed for submersion, yet vented through the cable to correct for barometric pressure changes. The welded housing is tested in-house via a helium leak tester to ensure proper protection. The conductors of the cable are also isolated from the outside environment to keep the sensor operational for long-term use. With a removable nose cone, the AST4500 and AST4510 series can be also be installed outside of the tank through a 1/4” NPT pipe connection. In this configuration, the sensor continuously monitors the tank level through a threaded connection outside the tank, yet remains fully submersible for applications with flood prone environments or severe wash-down conditions. Available with voltage or 4-20mA output signals, AST can provide a cost effective solution for level monitoring for a variety of applications.

Benefits

  • High strength stainless steel construction 
  • No internal O-rings 
  • Wide operating temperature 
  • Pressures up to 100 PSI 
  • Low static and thermal errors 
  • Unparalleled price and performance 
  • New conduit fitting at electrical connection 
  • Suitable for harsh environments 
  • Compatible with wide variety of liquids 
  • EMI/RFI protection

Applications

  • Ground Water Level
  • Bio-Fuels
  • Salt Water Holding Tanks
  • Gasoline & Diesel Fuel Tanks
  • Fertilizer Tanks
  • Earthen & Concrete Dams
  • Irrigation Equipment
  • Ballast Tanks
  • Oil Tanks
  • Waste Water Canals
Features

Please review product documents or contact us for the latest agency approval information.  

Product Type Features

  • Pressure Type  Gauge

  • Pressure Sensor Type  Industrial Pressure Transducer, Submersible Pressure Transducer

Configuration Features

  • Electrical Connection  Cable 50 ft, Conduit 6 ft, Cable 40 ft, Cable 150 ft, Conduit 150 ft, Cable 35 ft, Conduit 25 ft, Conduit 35 ft, Cable 15 ft, Conduit 10 ft, Conduit 20 ft, Cable 6 ft, Cable 20 ft, Cable 100 ft, Cable 25 ft

Electrical Characteristics

  • Supply Voltage Range (V) 10 – 28

Body Features

  • Port Material  316L

Dimensions

  • Product Length (mm) 1936.7, 3125.7, 3154.6, 4678.6, 6202.6, 7696.2, 7726.6, 10774, 12298, 15346, 30586, 45826

  • Product Length (in) 76.25, 123.06, 124.2, 184.2, 244.2, 303, 304.2, 424.2, 484.2, 604.2, 1204.2, 1804.2

  • Product Diameter  22.22 mm [ .875 in ]

Usage Conditions

  • Operating Temperature Range  -40 – 80 °C [ -40 – 176 °F ]

Operation/Application

  • Pressure (bar) .068, .344, .68, 1.034, 1.37, 1.72, 4.75, 6.89, 14.34

  • Pressure (psi) 1, 5, 6, 10, 15, 20, 21.65, 25, 69, 100, 208

  • Proof Pressure Range  2X, Min

  • Output Signal Type  4 – 20 mA, 1 – 5 V

  • Pressure Accuracy  ±0.25% FSO

Industry Standards

  • Compatible With Agency/Standards Products  UL

Other

  • Sensor Options  IP68 Protection, Cable Length

  • Port Fitting  Nose Cone, 1/4 MNPT

Reference Number

  • TE Internal Number CAT-PTT0049

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