1.1 This practice covers a procedure for temperature and humidity cycling of membrane switches.

1.2 This practice is designed to determine changes induced by temperature and humidity.

1.3 This practice is not intended to be a thermal shock procedure; a gradual ramp rate between conditions is required.

1.4 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.