Key features

High Strength Stainless Steel Construction
No Oil, Welds or Internal O-rings
Wide Operating Temperature
Pressures up to 20,000 PSI
Low Static and Thermal Errors
Unparalleled Price and Performance
Compatible with Wide Variety of Liquids and Gases

About the AST4400 Intrinsically Safe Pressure Transducer

The AST4400 is a stainless steel pressure transducer with a wide variety of options. With its rugged construction and best price-to-performance ratio in the industry, the AST4400 is the solution for pressure measurement in Intrinsically Safe areas.

Other features of AST4400

Class I Div 1 Intrinsically Safe 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)

Applications

Industrial OEM Equipment
HVAC/R Equipment
Water Management
Control Panels
Pneumatics
Hydraulic Systems
Data Loggers

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Product downloads

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Technical Specifications

Specification	Value
Accuracy	0.25%
Burst pressure	5X or 40,000 PSI (whichever is less)
Compensated temperature range	0 to 55°C
Emi/rfi protection	Yes
Measurement range	0 - 2 bar to 0 - 1350 bar
Operating temperature	-40 to 80°C
Output	4 - 20mA [10 -28VDC], 1 - 5VDC [10 -28VDC], 1 - 6VDC [10 -28VDC], 0.5 - 4.5V ratiometr. [5VDC, regulated]
Over range protection	2X Rated Pressure, Minimum
Pressure type	compound, gauge, sealed
Rating	IP66, min
Shock	EN 60068-2- 27
Storage temperature	-40 to 100°C
Vibration	EN 60068-2-6, 60068-2-64, and IEC 68-2- 32

AST4400 Intrinsically Safe Pressure Transducer