AST44LP Pressure Transducer

Brand: American Sensor Technologies Inc

The AST44LP is a stainless steel pressure transducer with a wide variety of options.

With its rugged construction and the best price-to-performance ratio in the industry, the AST44LP is the solution for low pressure measurement in Intrinsically Safe areas.
Features
  • Class 1 Div 1 Groups C, D when Installed with an Approved Barrier
  • ATEX / IECEx: Class I Zone 0 Exia IIB T4 Ga (Ta = -40°C to 80°C)
  • High Strength Stainless Steel Construction
  • No Internal O-Rings
  • Wide Operating Temperature
  • Pressures from 0-1 to 0-15 psi
  • Low Static and Thermal Errors
  • Unparalleled Price and Performance
  • Compatible with Wide Variety of Liquids and Gases

Specifications

Accuracy

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

Ambient Temperature Range

  • -40° to 80° C (-40° to 176° F)

Applications

  • Control Panels
  • Data Loggers
  • External Tank Levels
  • HVac Equipment
  • Hydraulic Systems
  • Industrial OEM Equipment
  • Pneumatics
  • Vapor Recovery
  • Water Management

Approvals & Certifications

  • ATEX/IECEx Class I Zone 0 T4, Exia IIB T4 Ga (Ta = -40° to 80° C)
  • CSA 157 Class I, Div. 1, Groups C, D Intrinsically Safe
  • UL ANSI / ISA 12.12.01 Class I, Div. 1, Intrinsically Safe Groups C, D (Formerly UL 913)

Bandwidth

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

BSP Connection

  • 1/4" BSPP Male

Burst Pressure

  • 5 x 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 132° F)

Current

  • 20 mA Typical at 4-20 mA Output - Current Consumption
  • 5 mA Typical at 1-5 Vdc, 1-6 Vdc Output - Current Consumption

Electrical Connectors

  • 6-Pin Bendix
  • Cable
  • Conduit, 10 ft
  • Conduit, 2 ft
  • Conduit, 4 feet
  • Conduit, 6 feet
  • DIN 43650A
  • M12 x 1
  • Mini DIN 43650
  • Mini-Fast
  • Packard Metripack 150 3-Pin

Environmental Protection

  • Intrinsically Safe
  • IP66

Excitation Voltage

  • 10-28 Vdc

Humidity

  • 0 to 100 % RH, Non-Condensing

Media

  • Liquids & Gases

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

  • 1-5 Vdc
  • 1-6 Vdc
  • 4-20 mA, 2-wire Loop-Powered

Output Impedence

  • 10 kΩ at 4-20 mA Output

Output Load

  • 0-800 ohms at 10-28 Vdc at 4-20 mA Output
  • 10,000 ohms Min. at 1-5 Vdc, 1-6 Vdc Output

Output Noise

  • < 2 mV RMS - for 1-5 Vdc, 1-6 Vdc

Pressure Cycles

  • > 100 Million at 25° C (77° F)

Pressure Range

  • bar: 0 to 1.034
  • inH₂O: 0 to 207.6
  • kPa: 0 to 103.4
  • psig: 0 to 15

Reverse Polarity Protection

  • Yes

RFI/EMI Protection

  • Yes

Shock

  • EN 60068-2-27

Span & Zero Effect

  • < ± 1.5 % of Full Scale

Span Effect

  • < ± 2 % of Full Scale Span Tolerance - for 4-20 mA Output

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 at 4-20 mA, 1-5 Vdc, & 1-6 Vdc Output

Documentation

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