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  • ASTM
    F1895-10a Practice for Submersion of a Membrane Switch
    Edition: 2010
    $82.37
    Unlimited Users per year

Description of ASTM-F1895 2010

ASTM F1895 - 10a

Practice for Submersion of a Membrane Switch

Active Standard ASTM F1895 | Developed by Subcommittee: F01.18

Book of Standards Volume: 10.04




ASTM F1895

Significance and Use

The presence of water inside a membrane switch can affect its mechanical operation or electrical functionality, or both. Electrical failure can result as short circuits due to silver migration or exceeding the specified resistance due to oxidation.

This test method establishes a procedure to verify the ability of a membrane switch to resist the entry of liquid in itself or a finished product, or both. It is useful in identifying design deficiencies.

Submersion testing may be destructive, therefore any samples tested should be considered unfit for future use.

1. Scope

1.1 This test method establishes procedures for the submerging of a membrane switch to verify resistance to ingress of a specified liquid.

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 National Electrical Manufacturers Assoc. (NEMA) Publication 250-1991 Section 6.10, which is a test for submersion of a finished product housing.

1.5 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

National Electrical Manufacturers Assoc.

(NEMA) Publication

Keywords

immersion; membrane switch; submersion; water immersion; Immersion; Ingress resistance; Membrane switches; Resistance; Submersion; Water immersion testing ;


ICS Code

ICS Number Code 31.220.20 (Switches)


DOI: 10.1520/F1895-10A

ASTM International is a member of CrossRef.

ASTM F1895

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About ASTM

ASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide.
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