Electric Cables Halogen Acid Gas Release Tester
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The GB/T 17650 Halogen Acid Gas Release Test Apparatus for Electric Cables is designed to determine the amount of halogen acid gases released from electric cables when exposed to high-temperature thermal radiation. By heating cable specimens in a tube furnace under controlled conditions, the apparatus measures total halogen acid gas volume, pH value, and electrical conductivity of combustion gases. The system supports testing requirements defined in GB/T 17650 and IEC 60754 series standards, ensuring reliable evaluation of cable materials with respect to halogen acid gas emission performance under fire conditions.
Application
This apparatus is widely used in laboratories and quality control departments involved in fire safety and material performance evaluation. Typical application scenarios include:
Testing halogen acid gas release characteristics of power cables, control cables, and communication cables
Evaluation of low-smoke halogen-free (LSHF) cable materials
Fire performance assessment of insulation and sheath compounds
Research and compliance testing for cable manufacturing enterprises
Type testing and routine inspection in third-party testing laboratories
Standards
The test apparatus is designed in accordance with the following international and national standards:
(1) GB/T 17650 – Determination of the Total Amount of Halogen Acid Gas Released During Combustion of Electric Cables
(2) IEC 60754-1 – Test on Gases Evolved During Combustion of Materials from Cables – Part 1: Determination of the Amount of Halogen Acid Gas
(3) IEC 60754-2 – Test on Gases Evolved During Combustion of Materials from Cables – Part 2: Determination of Acidity (by pH Measurement) and Conductivity
Parameters
| Item | Specification |
|---|---|
| Tube Furnace Heating Length | 600 mm |
| Maximum Heating Temperature | Up to 950 °C with thermal equilibrium |
| Temperature Measurement Range | 0–1100 °C |
| Temperature Sensor | High-temperature K-type thermocouple |
| Temperature Accuracy | ±0.1 °C |
| Quartz Tube | Heat-resistant quartz, thickness ≥ 2 mm |
| Carrier Gas | Compressed air |
| Equipment Dimensions | 1500 (W) × 450 (D) × 400 (H) mm |
| Control Cabinet Dimensions | 500 (W) × 400 (D) × 250 (H) mm |
| Power Supply | AC 220 V, 16 A |
| Weight | Approx. 80 kg |
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