Pressure transmitter attains compliance
An
American Sensor Technologies product story
Edited by the Engineeringtalk editorial team
Oct 26, 2007
AST4600s allow pressure measurement through a solid piece of stainless steel.
American Sensor Technologies' AST4600 explosion-proof pressure transmitter is compliant with ANSI/ISA 12.27.01-2003.
ANSI/ISA - 12.27.01-2003 provides specific requirements for process sealing between electrical systems and flammable or combustible process fluids where a failure could allow the migration of process fluids directly into the electrical system.
Examples of this type of seal include diaphragm seals, thermowells and pump seals.
All AST4600 pressure sensors will now be engraved with the Single Seal marking to indicate compliance.
The housing will include the ambient (-40C to +85C) and process (-40C to +125C) temperature range information, along with the CSA 30 Class 1 Division 1 Explosionproof [Groups A, B, C, D] approval marking.
A Single Seal pressure sensor offers significant cost savings and is much more compact than dual seal devices.
AST4600s offer the added benefit of Krystal Bonda Technology, allowing pressure measurement through a solid piece of stainless steel.
The approval most notably effects equipment subjected to inspection by mechanical, electrical and instrumentation inspectors in Canada.
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