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Adakah pemanas elektrik untuk kawasan tahan letupan kelas 2 juga perlu dilengkapi ciri tahan letupan?

2015-06-08View Original

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Adakah pemanas elektrik untuk kawasan tahan letupan kelas 2 juga perlu dilengkapi ciri tahan letupan? Jika ingin melakukannya, bagaimanakah caranya secara terperinci?
Reply #22015-06-08
Sudah tentu perlu antiletupan! Tahap ketahanan terhadap letupan perlu sama seperti keperluan alat pengukur tersebut! ExdIIBT4 atau ExdIICT4 – pilihan yang tepat bergantung pada zon kawalan letupan peranti anda. Ia ditentukan berdasarkan kumpulan gas berbahaya; jika terdapat hidrogen atau asetilena, pilihlah kategori C. Jika tiada hidrogen atau asetilena, maka pilihlah kategori B sahaja. Sudah tentu, anda juga boleh menekan ExdIICT4 secara langsung.

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