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Can an intrinsically safe level gauge be used in place of a flameproof level gauge?

2015-09-01View Original

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We worked on a project related to level gauges for a chemical raw material storage tank area; I want to use an insert-type magnetic float level gauge to measure the liquid level in a storage tank ; Output a 4-20 mA signal for display in the control room. Can an intrinsically safe level gauge (without a safety barrier) be used in place of an explosion-proof level gauge?
Reply #22015-09-02
Intrinsic safety instruments must be used with a safety barrier to form an intrinsic safety explosion-proof system.

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