Fire detection and fire alarm devices for dwellings - Specification for smoke alarm kits for deaf and hard of hearing people Ingestion-build-96603 This document does not describe

This document does not describe the equipment for the measurement

testing and recording requirements as detailed in BS EN 115-1 before the products are put into operation

This document specifies a method for determining the average molecular weight and the molecular weight distribution of polymers by size-exclusion chromatography (SEC) using an organic eluent at temperatures between 60 °C and 220 °C

voice grade signalling links

The third specifiable parameter

Fire detection and fire alarm devices for dwellings - Specification for smoke alarm kits for deaf and hard of hearing people Ingestion-build-96603 This document does not describeSmoke 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