This standard specifies product classification, technical requirements, test methods, inspection rules and mark of line type heat fire detector.
This standard is applicable to cable line type heat fire detector, air tube line type heat fire detector, distributed optical fiber line type heat fire detector, optical fiber grating line type heat fire detector and line type multi-point heat fire detector installed and used in industrial and civil buildings.
2 Normative References
The following documents are indispensable for the application of this document. For dated references, only the dated editions apply. For undated references, the latest edition (including all the amendments) applies.
GB/T 2423.4 Environmental Testing for Electric and Electronic Products - Part 2: Test Method - Test Db: Damp Heat, Cyclic (12h+12h cycle)
GB/T 2423.18 Environmental Testing - Part 2: Test Methods - Test Kb: Salt Mist, Cyclic (Sodium Chloride Solution)
GB 4716 Point Type Heat Fire Detectors
GB/T 9969 General Principles for Preparation of Instructions for Use of Industrial Products
GB 12978 Rules for Test of Fire Electronic Products
GB 16838 Environmental Test Methods and Severities for Fire Electronic Products
GB/T 17626.2 Electromagnetic Compatibility (EMC) - Testing and Measurement Techniques - Electrostatic Discharge Immunity Test
GB/T 17626.3 Electromagnetic Compatibility-Testing and Measurement Techniques - Radiated Radio-frequency Electromagnetic Field Immunity Test
GB/T 17626.4 Electromagnetic Compatibility-Testing and Measurement Techniques-Electrical Fast Transient/Burst Immunity Test
GB/T 17626.5 Electromagnetic Compatibility - Testing and Measurement Techniques - Surge Immunity Test
GB/T 17626.6 Electromagnetic Compatibility - Testing and Measurement Techniques-Immunity to Conducted Disturbances, Induced by Radio-frequency Fields
GB/T 17626.8 Electromagnetic Compatibility - Testing and Measurement Techniques - Power Frequency Magnetic Field Immunity Test
GB 23757-2009 Protection Requirements for Fire Electronic Products
3 Product Classification
3.1 Classification according to sensing unit form:
a) Cable;
b) Air tube;
c) Distributed optical fiber;
d) Optical fiber grating;
e) Lined multi-point type.
3.2 Classification according to operation performance:
a) Fixed temperature;
b) Rate-of-rise temperature;
c) Rate-of-rise and fixed temperature.
3.3 Classification according to recoverable performance:
a) Recoverable;
b) Irrecoverable.
3.4 Classification according to locating mode:
a) Distribution;
b) Zoning.
3.5 Classification according to detection alarm function:
a) Detection;
b) Detection alarm.
