Patent ID: 8966952
Filing Date: 2015-03-03
Classification: G08B

Abstract:
1. An apparatus for testing a hazard detector, the apparatus comprising: a first electrically-powered stimulus generating means arranged to generate a first stimulus for application to the detector and for testing the functionality of a first sensor in the detector; a second electrically-powered stimulus generating means arranged to generate a second stimulus for application to the detector and for testing the functionality of a second sensor in the detector, wherein the first and second electrically-powered stimulus generating means are positioned outside the detector and share a common housing and wherein the first sensor and second sensor are different; wherein at least one of the first and second electrically-powered stimulus generating means comprises at least one fan arranged to move the stimulus from the at least one electrically-powered stimulus generating means to the detector, wherein said at least one fan is housed within said common housing; a controller including one or more pre-stored algorithms that define multiple parameters of generation performed by the first and/or second electrically-powered stimulus generating means, wherein when a particular test is selected, the controller arranged to selectively control the individual, sequential and/or simultaneous generation of each stimulus by each of said stimulus generating means and vary the way in which stimulus is delivered to the detector under test by controlling how much stimulus is produced and how long the fans are blown during or after stimulus generation; at least one removable cartridge having material stored therein that undergoes a process for the generation of at least one of said first and second stimuli, wherein the at least one of said first and second stimuli is produced in the apparatus under electronic control of the controller; and an opening arranged to receive the hazard detector, wherein the opening is arranged in the apparatus such that when the apparatus is placed in proximity to a detector, it fits around the detector.