Discovery Ionisation Smoke Detector

Air in the dual sensing chambers is irradiated to produce ions that travel to the positive and negative electrodes, creating a current flow. As smoke enters the outer chamber, the flow drops and voltage increases. The voltage is measured and an analogue signal is converted to digital for transmission to the control equipment.

For important technical information regarding sensitivity to air movement, please click here.

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Product Variants
Product NamePart Number
Discovery Ionisation Smoke Detector58000-500

Literature

Literature
DocumentPP NumberIssue
Sales
Discovery Sales LeafletPP202910
Technical
Discovery Engineering Product GuidePP20526
PIN Sheets
Short-circuit isolation in XP95 and Discovery fire detection systemsPP209013
Approvals/Certifications
Approval Body Part Number
asbl ANPI vzw 58000-500
Hong Kong Fire Services Department 58000-500
Loss Prevention Certification Board 58000-500
Svensk Brand & Sakerhets Certifiering AB 58000-500
Verband der Schadenversicherer 58000-500
Construction Products Directive 89/106/EEC 58000-500