Practice for Submersion of a Membrane Switch
1.1 This practice establishes procedures for the submerging of a membrane switch to verify resistant to ingress of a specified liquid.
1.2 This practice can also be used to verify the ability of a membrane switch or graphics layer to act as a liquid seal for a finished product.
1.3 Additional test methods or practices can be incorporated to investigate specific results or capabilities.
1.4 This practice is a modification of National Electrical Manufacturers Assoc. (NEMA) Publication Number 250-1991 Section 6.10, which is a test for submersion of a finished product housing.
1.5 The values states in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
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