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Significance and Use
4.1 The presence of water inside a membrane switch can affect its mechanical operation or electrical functionality, or both.
4.2 This practice establishes a procedure to verify the ability of a membrane switch to resist the entry of liquid into itself or a finished product, or both. It is useful in identifying design deficiencies.
4.3 Hosedown testing may be destructive, therefore any samples tested should be considered unfit for future use.
1.1 This test method establishes procedures for the hosedown of a membrane switch to verify adequate protection from ingress of water from a high-volume water spray.
1.2 This test method 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 test method is a modification of NEMA Publication Number 250-2008 Section 6.7 which is a test for hosedown of a finished product housing.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ICS Number Code 31.220.20 (Switches)
UNSPSC Code 39122200(Electrical switches and accessories)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM F2072-14, Standard Test Method for Hosedown of a Membrane Switch, ASTM International, West Conshohocken, PA, 2014, www.astm.orgBack to Top