AST43LP Pressure Transducer

Brand: American Sensor Technologies Inc
AST Pressure Transducer, AST43LP
AST Pressure Transducer, AST43LP
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AST43LP Pressure Transducer

Brand: American Sensor Technologies Inc
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The AST43LP is a low pressure Class I Division 2 stainless steel pressure transmitter for use in hazardous areas.

In addition to its rugged construction and the best price-to-performance ratio in the industry, the AST43LP is the solution for low pressure measurement for a variety of applications.
Features
  • Class I Division 2 Groups A, B, C, D
  • ATEX / IECEx: Ex nA IIC T4 Gc (Ta = -40°C to 85°C) for Conduit Electrical Connections
  • High Strength Stainless Steel Construction
  • No Welds or Internal O-rings
  • Wide Operating Temperature
  • Pressures from psi: 0-1 to 0-15
  • Low Static and Thermal Errors
  • Unparalleled Price and Performance
  • Compatible with Wide Variety of Liquids and Gases
  • EMI/RFI Protection

Specifications

Brand

Accuracy

  • < ± 0.25 % BFSL (< ± 0.5 % BFSL for psi: 0 to 1) at 25° C (77° F) Includes Non-Linearity, Hysteresis & Non-Repeatability

Applications

  • Compressed Gases & Storage
  • External Tank Levels
  • Flare Gas
  • Industrial OEM Equipment
  • Oil & Gas Applications
  • Oxygen Delivery Systems
  • Pressure Instrumentation
  • Process Control
  • Tests Stands
  • Water Management

Approvals & Certifications

  • ATEX: Ex NA IIC T4 Gc (Temperature: -40° to 85° C (-40° to 185° F)
  • CSA
  • IECEx: Ex NA IIC T4 Gc (Temperature: -40° to 85° C (-40° to 185° F)
  • UL

Bandwidth

  • (-3 dB), DC to 1 kHz for 1-5 Vdc, 1-6 Vdc, 0.5-4.5 V Ratiometric
  • (-3 dB), DC to 250 Hz for 4-20 mA

BSP Connection

  • 1/4” BSPP Male
  • G 1/2” Male

Burst Pressure

  • 5 times or psi: 75 (kPa: 517.1, bar: 5.171) whichever is less at 25° C (77° F)

Compensated Temperature

  • 0° to 55° C (32° to 131° F)

Consumption

  • 20 mA Typical at 4-20 mA - Current Consumption
  • 5 mA, Typical at 1-5 Vdc, 1-6 Vdc, 0.5-4.5 V Ratiometric - Current Consumption

Electrical Connectors

  • Conduit, 10 feet
  • Conduit, 2 feet
  • Conduit, 4 feet
  • Conduit, 6 feet
  • DIN 43650A
  • Mini-Fast

Environmental Protection

  • IP66, Min.
  • Non-Incendive: Class I, Div. 2 Groups A, B, C, D

Excitation Voltage

  • 10-28 Vdc at 4-20 mA, 1-5 Vdc, 1-6 Vdc
  • 5 Vdc, Regulated at 0.5-4.5 V Ratiometric

Humidity

  • 0 to 100 % Relative Humidity, Non-Condensing

Materials of Construction

  • Stainless Steel

NPT Connection

  • 1/2” NPT Male
  • 1/4” NPT Female
  • 1/4” NPT Male

Operating Temperature

  • -40° to 80° C (-40° to 176° F)

Output

  • 0.5 - 4.5 V Ratiometric
  • 1-5 Vdc
  • 1-6 Vdc
  • 4-20 mA (2-Wire Loop Powered)

Output Impedence

  • 10 Kiloohms at 4-20 mA

Output Load

  • 0 to 800 ohms at 10-28 Vdc for 4-20 mA
  • 10,000 ohms, Min. for 1-5 Vdc, 1-6 Vdc, 0.5-4.5 V Ratiometric

Output Noise

  • < 2 mV RMS for 1-5 Vdc, 1-6 Vdc, 0.5-4.5 V Ratiometric

Pressure Cycles

  • > 100 Million at 25° C (77° F)

Pressure Range

  • bar: 0 to 1.034
  • kPa: 0 to 103.4
  • psi: 0 to 15

Reverse Polarity Protection

  • Yes

RFI/EMI Protection

  • Yes

Shock

  • EN 60068-2-27

Span Effect

  • < ± 1.5 % of Full Scale for 1-5 Vdc, 1-6 Vdc, 0.5-4.5 V Ratiometric - Span Tolerance
  • < ± 2 % of Full Scale for 4-20 mA - Span Tolerance

Stability

  • ± 0.25 % of Full Scale, Typical at 25° C (77° F)

Storage Temperature

  • -40° to 100° C (-40° to 212° F)

Vibration

  • EN 60068-2-6
  • EN 60068-2-64
  • IEC 68-2-32

Wetted Materials

  • 316L Stainless Steel
  • Hastelloy

Zero Offset

  • < ± 1 % of Full Scale

Documentation

Data Sheets

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