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Oil-free differential pressure transducer for high line pressure applications

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article image AST5300 differential pressure transducer
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Bestech Australia presents the AST5300 wet/wet differential pressure transducer designed for use in explosion-proof and non-incendive areas.

Featuring all 316L and Inconel X750 material, the AST5300 is suitable for various liquids and gases requiring high line pressure (1500PSI) and low differential pressure (10 PSID) measurements.

The sensor in the AST5300 differential pressure transducer is completely free of fluid fill cavities. Through the use of an LVDT (Linear Variable Differential Transformer) and corrugated diaphragm, the AST5300 measures differential pressure without any oil-filled capsules, thus eliminating potential risk of leaks of silicone oil into the process fluid or gas. 

This oil-free design benefits applications such as cryogenic level, pharmaceutical processing equipment and gas compression systems. An AST5300 cleaned and packaged to meet the Praxair GS-38 standard can be supplied for high purity gases and oxygen pressure applications.

The differential pressure transducer can also have full line pressure of 1500 PSI applied to either process connection without damage to the device, eliminating the added cost of five-way valves and expensive repair costs.

Standard options for the AST5300 differential pressure transducers include 1/4" NPT female process connections, 4-20mA, 0.5-4.5V ratiometric, 0-5V, and 1-5V output signals, and conduit electrical connections. Class I, II and III Explosion proof (AST53ED) and Class I Division 2 non-incendive approvals (AST53EN) allow for safe installation in hazardous locations. Connectors and cables are available for non-hazardous locations.

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