Standard Smoke & Heat Detector Test Tunnel
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The Smoke Fire Detector Threshold Test Chamber is a precision testing system designed for conducting threshold verification of point-type smoke fire detectors according to GB 4715-2005 standards. The chamber enables comprehensive testing including threshold, repeatability, orientation, and airflow evaluations. It is suitable for industrial and residential smoke detector testing and production, ensuring full compliance with national alarm performance requirements.
Features
Steel structure chamber with anti-rust spray finish.
Observation glass on the chamber for visual monitoring of smoke distribution.
Independent control box for flexible laboratory layout.
Fan connected with soft couplings to reduce vibration impact on test data.
Equipped with an ion concentration meter to test the response threshold of ionization detectors.
Flash device included to simulate environmental lighting conditions.
Siemens dedicated temperature module for stable and reliable temperature data acquisition.
Imported Omega thermocouple with compensation wiring reduces temperature measurement deviations.
Programmable logic controller (PLC) enables system function control, paired with dedicated data acquisition modules.
Real-time data acquisition ensures stability and reliability.
Electrical components from reputable industry brands, controlled via industrial PC with dedicated software for real-time recording, storage, and visualization of test data.
Accessories
Observation glass
Variable frequency fan assembly
Heating rod modules
Optical density meter
Ion concentration meter
Flash simulation device
Omega K-type thermocouple and compensation wiring
Siemens temperature acquisition module
PLC controller with data acquisition modules
Industrial PC and dedicated software
Standards
The system conforms to the following national and international standards:
GB 4715-2005 – Technical Requirements and Test Methods for Point-Type Smoke Fire Detectors (China)
ISO 7240-7 – Fire Detection and Alarm Systems, Part 7: Smoke Detectors Using Scattered, Transmitted Light, or Ionization
EN 54-7 – Fire Detection and Fire Alarm Systems, Smoke Detectors
UL 268 – Standard for Smoke Detectors for Fire Protective Signaling Systems
EN54-7
EN54-29
EN14604
EN54-5
Parameters
| Unit | Specification |
|---|---|
| Temperature Range | 0–55 °C, adjustable via heating rods |
| Variable Frequency Fan | Supply voltage: 220 V; Max. static pressure: 330 Pa; Adjustable air volume: 0–275 m³/h |
| Airflow Requirement | 0.2 m/s |
| Optical Density Meter | Wavelength: 880–950 nm |
| Omega K-Type Sheathed Thermocouple | Diameter: 1.5 mm; Temperature measurement range: 0–1100 °C |
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