ASTM F2865 - 13
Standard Guide for Classifying the Degrees of Ingress of Dust and Water into a Membrane Switch
Active Standard ASTM F2865 | Developed by Subcommittee: F01.18
Book of Standards Volume: 10.04
Significance and Use
5.1 Ingression protection classifications are widely used by manufacturers for specifying the level of protection offered by enclosures.
5.2 An example of such a classification scheme is IEC 60529. Membrane switch manufacturers are often asked to meet these standards, however the test methods specified within these standards do not address considerations specific to membrane switches.
5.3 The MSIP classification system considers the membrane switch separately from the testing and IP codes used for classifying the enclosure when subject to similar test conditions.
5.4 Ingression testing can be useful to identify design deficiencies.
1.1 This guide establishes a classification system and references test methods for verifying the degrees of:
1.1.1 The ingress of dust into the internal layers of a membrane switch.
1.1.2 Ingress of water into the internal layers of a membrane switch.
1.1.3 Where external test methods are referenced, this guide specifies the special conditions that shall be considered in applying these tests to membrane switches and how the results are interpreted.
1.2 This guide references test methods that can be used to establish the ingress classification of a membrane switch.
1.3 This guide utilizes the test methods and reporting structure of IEC 60529 – (Degrees of Protection Provided by Enclosures) modified for membrane switches.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
F1578 Test Method for Contact Closure Cycling of a Membrane Switch
F1680 Test Method for Determining Circuit Resistance of a Membrane Switch
F1689 Test Method for Determining the Insulation Resistance of a Membrane Switch
F2592 Test Method for Measuring the Force-Displacement of a Membrane Switch
60529 Degrees of Protection Offered by an Electronic Enclosure
ICS Number Code 31.220.20 (Switches)
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