Fire detection and fire alarm devices for dwellings - Specification for smoke alarm kits for deaf and hard of hearing people Ingestion-build-96603 IEC 60398:1999

IEC 60398:1999

Roughness of model and prototype

Cold rolled uncoated non-alloy mild steel narrow strip for cold forming (EN 10139)

An electronic paper display or electronic ink display is a technology that is designed to mimic the appearance of ordinary ink on paper

Fire detection and fire alarm devices for dwellings - Specification for smoke alarm kits for deaf and hard of hearing people Ingestion-build-96603 IEC 60398:1999Smoke alarms for use in dwellings have been available for many years, and are specified in BS 5446 1. These devices are intended to warn of the presence of a potential fire condition by emitting a loud piercing sound. However, people with hearing loss can be unaware of such an alarm sound. There are recognized methods of alerting deaf and hard of hearing people, including the use of vibro tactile and visual alarm devices. To provide a fire warning for