IEC60754 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.
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 |
Features
Integrated structural design places the specimen guide tube and tube furnace on the same plane, minimizing positional deviation and improving glassware sealing performance.
Independent control cabinet enhances operational convenience and flexible equipment layout.
Tube furnace heating system adopts a temperature control module combined with a power regulator and PID control to ensure uniform and stable temperature rise.
Protective enclosure with perforated structure improves heat dissipation while protecting the furnace body.
Heat-resistant quartz tube is used for both gas transmission and specimen heating, with ground joints to enhance sealing performance.
Ceramic combustion boat is driven by a strong magnetic mechanism and transmission rod, ensuring stable and precise movement of specimens into the furnace core zone.
Lead screw transmission mechanism enables accurate positioning and smooth operation of the traction tube, reducing the risk of quartz tube damage caused by manual operation.
Imported precision rotameter controls carrier gas flow, combined with branded pressure gauge and pressure regulator to ensure stable airflow.
Dual filter columns filled with activated carbon and color-changing silica gel are used to purify and dry the carrier gas.
PLC and touchscreen control system enables intelligent temperature regulation and improved furnace temperature accuracy.
Built-in test programs for total halogen acid gas, conductivity, pH value, and quartz tube cleaning, with stored standard reference values.
Supplied with complete testing accessories including washing bottles, beakers, graduated cylinders, and magnetic stirrers.
High-quality pH meter and conductivity meter are included for accurate measurement of solution acidity and conductivity.
Accessories
(1) Heat-resistant quartz tube
(2) Ceramic combustion boat
(3) Precision rotameter
(4) Activated carbon filter column
(5) Color-changing silica gel filter column
(6) Glass washing bottles
(7) Beakers and graduated cylinders
(8) Magnetic stirrer
(9) pH meter
(10) Conductivity meter
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