Does the on-site liquid level meter need to be explosion-proof?
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Does the on-site liquid level meter need to be explosion-proof?
In an explosion area, it is necessary to be explosion-proof when there is electricity, but not when there is no electricity.
Explosion-proof is generally required in hazardous areas, especially in the storage and transportation of flammable and explosive oil products, explosion-proof must be used! ! !
It depends on the specific situation. Explosion-proof instruments are used in flammable and explosive areas. For safety reasons, the control cabinet in the control room is equipped with a Zener safety barrier for explosion protection. In non-flammable and explosive areas, from economic considerations, non-explosion-proof instruments should be selected.
This post was last posted by zhaoyang9111 on 2009-12-13 22:02. The editing speed is too slow. I posted the post twice. Please edit it. Sorry.
If the on-site liquid level meter has no output, that is, without a transmitter, there is no need to be explosion-proof because it does not require electricity. If a transmitter output is added in Zone 1 and 2, it must be explosion-proof.
On-site liquid level gauges do not need to be explosion-proof
In an explosion area, it is necessary to be explosion-proof when there is electricity, but not when there is no electricity.
If the on-site liquid level gauge is not an electric remote transmission instrument, there is no explosion-proof problem for the on-site display instrument, and there is no need for explosion-proof.
On-site liquid level gauge On-site liquid level gauge