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IEC 60754 Cable Release Gas Halogen Acid Conductivity Tester
Product introduce
The IEC 60754 Wire and Cable Released Gas Halogen Acid Conductivity Tester is a precision device designed to evaluate the characteristics of gases released when non-metallic materials (such as insulation and sheath) of wires and cables are burned. It complies with the IEC 60754-1 and IEC 60754-2 international standards and their equivalent standards (such as EN 60754, BS EN 60754, UL 2556). The tester verifies the fire safety of low-smoke zero-halogen (LSZH) cables by burning 1g of sample at 800°C (for halogen acid gas content) or 950°C (for acidity and conductivity). The device integrates a tube furnace, a gas collection system, a pH meter and a conductivity meter, supports automatic temperature control and data recording, and is widely used in cable material certification testing in the fields of construction, railways, ships, etc.
Standard
1. IEC 60754 Standard
IEC 60754-1:2011+A1:2019
Title: Test on gases evolved during combustion of materials from cables – Part 1: Determination of the halogen acid gas content
Description: Specifies the equipment and procedures for determining the halogen acid gases (except hydrofluoric acid) released during the combustion of wire and cable materials (based on halogenated polymers or compounds containing halogen additives).
Applicable: Test the halogen acid gas content (expressed in mg/g) of cable insulation or sheathing materials.
Remarks: Not applicable to the determination of hydrofluoric acid (refer to IEC 60684-2).
IEC 60754-2:2011+A1:2019
Title: Test on gases evolved during combustion of materials from cables – Part 2: Determination of acidity (by pH measurement) and conductivity
Description: Evaluate the acidity and corrosiveness of the gases released during the combustion of wire and cable materials by measuring the pH value and conductivity of the combustion gases dissolved in water.
Application: Testing of acidity (pH ≥ 4.3) and conductivity (≤ 10 µS/mm) of low smoke zero halogen (LSZH) cable materials.
Note: Testing is performed at 950°C, as opposed to 800°C in IEC 60754-1.
Test range
The tester is suitable for the following materials and scenarios:
Test objects:
Insulation layer, sheath layer or other polymer-based materials of wires and cables.
Cables containing halogen (chlorine, bromine, iodine, etc.) or halogen-free (low smoke zero halogen, LSZH) materials.
Non-metallic materials (such as PVC, PE, PP or compounds containing halogen additives).
Note: Not suitable for determining the release of hydrofluoric acid from fluorine-containing materials (refer to IEC 60684-2).
Application areas:
Performance verification of low smoke zero halogen (LSZH) cables.
Scenes such as buildings, railways, ships, data centers, etc. that require high cable fire safety.
Cable certification in accordance with international and regional standards (such as IEC, EN, UL, BS, AS/NZS).
Test conditions:
IEC 60754-1: The combustion temperature is 800°C ± 10°C, and the halogen acid gas content is determined.
IEC 60754-2: The combustion temperature is 950°C ± 10°C, and the acidity and conductivity are measured.
Sample mass: Usually 1g (±0.005g), which needs to be evenly chopped or ground.
Quantitative indicators of the test range:
Halogen acid gas content (IEC 60754-1): Expressed in mg/g, the total amount of halogen acid gases such as hydrogen chloride (HCl) and hydrogen bromide (HBr) is measured.
Typical requirements: The halogen acid content of halogen-free cables is ≤ 5 mg/g.
Acidity (pH value) (IEC 60754-2): The pH value of the combustion gas dissolved in water.
Typical requirements: pH ≥ 4.3 (low corrosiveness).
Conductivity (IEC 60754-2): The conductivity of the combustion gas dissolved in water, in µS/mm.
Typical requirements: Conductivity ≤ 10 µS/mm.
Test content
The tester performs the following test content according to the requirements of IEC 60754-1 and IEC 60754-2:
1. IEC 60754-1: Halogen acid gas content test
Purpose: Determine the total amount of halogen acid gas released when the cable material burns (expressed as hydrogen chloride equivalent, unit is mg/g).
Test steps:
Sample preparation: Take 1g sample and chop it to a particle size of ≤ 2mm to ensure uniformity.
Combustion: Place the sample in a tube furnace and burn it at 800°C ± 10°C, and pass dry air (flow rate 0.015 m³/h to 0.03 m³/h).
Gas collection: The gases released by combustion are collected through a gas washing bottle (containing distilled water or other absorption liquid).
Chemical analysis:
The halogen acid content is determined by titration (such as silver nitrate titration) or ion chromatography.
Calculate the halogen acid gas content (mg/g) expressed as hydrogen chloride (HCl) equivalent.
Test results:
Halogen acid gas content (mg/g).
Determine whether the material meets the halogen-free standard (usually ≤ 5 mg/g).
Equipment requirements:
Tube furnace (heated to 800°C).
Air supply system (precise flow control).
Gas washing bottle and absorption liquid.
Titration device or ion chromatograph.
2. IEC 60754-2: Acidity and conductivity test
Purpose: To determine the acidity (pH value) and conductivity of the gas released when the cable material burns to evaluate its corrosiveness.
Test steps:
Sample preparation: Take 1g sample and chop it into particles ≤ 2mm.
Combustion: Place the sample in a tube furnace and burn at 950°C ± 10°C, and pass humid air (containing water vapor, flow rate 0.015 m³/h to 0.03 m³/h).
Gas collection: The combustion gas is collected through a gas wash bottle (containing a fixed volume of distilled water, typically 1000 mL).
Measurement:
Measure the pH value of the solution using a pH meter.
Measure the conductivity of the solution (µS/mm) using a conductivity meter.
Result calculation:
pH value: record directly.
Conductivity: expressed as conductivity per millimeter of sample length (µS/mm).
Test results:
pH value (typical requirement ≥ 4.3).
Conductivity (typical requirement ≤ 10 µS/mm).
Determine whether the material meets the low corrosiveness requirements.
Equipment requirements:
Tube furnace (heated to 950°C).
Wet air supply system (control humidity).
Gas washing bottle and distilled water.
pH meter and conductivity meter (accuracy meets ISO 385 etc.).
Main Features:
1. Optimized structural design, reasonable layout, easy operation;
2. All enclosure is made of stainless steel;
3. The effective length of the tubular furnace is 500~600mm, the inner diameter is 40~60mm, and it is
equipped with an adjustable electric heating system;
4. Equipped with American imported thermocouples;
5. The size of the combustion boat is 45~100mm long, 12~30mm wide, and 5~10mm deep;
6. The range of the conductivity measurement device is 0.01uS/mm~100uS/mm;
7. The control room uses electronic temperature control to intelligently control the temperature of the tubular
furnace;
8. Equipped with 2 gas collection bottles
9. The sample chamber size is 1 liter
10. Equipped PH value and conductivity tester with electronic display and electrodes
11. Airflow meter and all necessary silica fireproof pipes to prevent corrosion by gas. 12. Activated carbon (air filtration): filter the air source through the filter
13. Silica gel is used to dry the air source;
14. Pyrex pipe: users can easily insert the sample into the Pyrex furnace tube to protect the pipe from damage
15. Combustion boat moving system: the motor automatically moves the combustion boat device; making the
test more intelligent;
16. Mode conversion: mode conversion switch (two test methods are available, IEC 60754-1&IEC 60754-2)
17. Temperature alarm controller: control the temperature in the furnace to prevent overheating
18. Timer: IEC 60754-1 or IEC 60754-2 Device for measuring time in the test
19. Drawer: a box for storing accessories (such as conductivity meter, pH meter, etc.)
20 Temperature display: displays the core temperature of the furnace
21. Permanent magnetic stirrer: a stirrer for mixing combustion gases in distilled wate
22. Conductivity meter: an instrument for measuring the conductivity of combustion gases
Specification:
| Dimensions: | 1,500 (W) x500 (D) x600 (H) mm |
| Power | AC 220V ,50/60Hz ,15A |
| Weight | 60kg |
IEC 60754 Cable Release Gas Halogen Acid Conductivity Tester
Product introduce
The IEC 60754 Wire and Cable Released Gas Halogen Acid Conductivity Tester is a precision device designed to evaluate the characteristics of gases released when non-metallic materials (such as insulation and sheath) of wires and cables are burned. It complies with the IEC 60754-1 and IEC 60754-2 international standards and their equivalent standards (such as EN 60754, BS EN 60754, UL 2556). The tester verifies the fire safety of low-smoke zero-halogen (LSZH) cables by burning 1g of sample at 800°C (for halogen acid gas content) or 950°C (for acidity and conductivity). The device integrates a tube furnace, a gas collection system, a pH meter and a conductivity meter, supports automatic temperature control and data recording, and is widely used in cable material certification testing in the fields of construction, railways, ships, etc.
Standard
1. IEC 60754 Standard
IEC 60754-1:2011+A1:2019
Title: Test on gases evolved during combustion of materials from cables – Part 1: Determination of the halogen acid gas content
Description: Specifies the equipment and procedures for determining the halogen acid gases (except hydrofluoric acid) released during the combustion of wire and cable materials (based on halogenated polymers or compounds containing halogen additives).
Applicable: Test the halogen acid gas content (expressed in mg/g) of cable insulation or sheathing materials.
Remarks: Not applicable to the determination of hydrofluoric acid (refer to IEC 60684-2).
IEC 60754-2:2011+A1:2019
Title: Test on gases evolved during combustion of materials from cables – Part 2: Determination of acidity (by pH measurement) and conductivity
Description: Evaluate the acidity and corrosiveness of the gases released during the combustion of wire and cable materials by measuring the pH value and conductivity of the combustion gases dissolved in water.
Application: Testing of acidity (pH ≥ 4.3) and conductivity (≤ 10 µS/mm) of low smoke zero halogen (LSZH) cable materials.
Note: Testing is performed at 950°C, as opposed to 800°C in IEC 60754-1.
Test range
The tester is suitable for the following materials and scenarios:
Test objects:
Insulation layer, sheath layer or other polymer-based materials of wires and cables.
Cables containing halogen (chlorine, bromine, iodine, etc.) or halogen-free (low smoke zero halogen, LSZH) materials.
Non-metallic materials (such as PVC, PE, PP or compounds containing halogen additives).
Note: Not suitable for determining the release of hydrofluoric acid from fluorine-containing materials (refer to IEC 60684-2).
Application areas:
Performance verification of low smoke zero halogen (LSZH) cables.
Scenes such as buildings, railways, ships, data centers, etc. that require high cable fire safety.
Cable certification in accordance with international and regional standards (such as IEC, EN, UL, BS, AS/NZS).
Test conditions:
IEC 60754-1: The combustion temperature is 800°C ± 10°C, and the halogen acid gas content is determined.
IEC 60754-2: The combustion temperature is 950°C ± 10°C, and the acidity and conductivity are measured.
Sample mass: Usually 1g (±0.005g), which needs to be evenly chopped or ground.
Quantitative indicators of the test range:
Halogen acid gas content (IEC 60754-1): Expressed in mg/g, the total amount of halogen acid gases such as hydrogen chloride (HCl) and hydrogen bromide (HBr) is measured.
Typical requirements: The halogen acid content of halogen-free cables is ≤ 5 mg/g.
Acidity (pH value) (IEC 60754-2): The pH value of the combustion gas dissolved in water.
Typical requirements: pH ≥ 4.3 (low corrosiveness).
Conductivity (IEC 60754-2): The conductivity of the combustion gas dissolved in water, in µS/mm.
Typical requirements: Conductivity ≤ 10 µS/mm.
Test content
The tester performs the following test content according to the requirements of IEC 60754-1 and IEC 60754-2:
1. IEC 60754-1: Halogen acid gas content test
Purpose: Determine the total amount of halogen acid gas released when the cable material burns (expressed as hydrogen chloride equivalent, unit is mg/g).
Test steps:
Sample preparation: Take 1g sample and chop it to a particle size of ≤ 2mm to ensure uniformity.
Combustion: Place the sample in a tube furnace and burn it at 800°C ± 10°C, and pass dry air (flow rate 0.015 m³/h to 0.03 m³/h).
Gas collection: The gases released by combustion are collected through a gas washing bottle (containing distilled water or other absorption liquid).
Chemical analysis:
The halogen acid content is determined by titration (such as silver nitrate titration) or ion chromatography.
Calculate the halogen acid gas content (mg/g) expressed as hydrogen chloride (HCl) equivalent.
Test results:
Halogen acid gas content (mg/g).
Determine whether the material meets the halogen-free standard (usually ≤ 5 mg/g).
Equipment requirements:
Tube furnace (heated to 800°C).
Air supply system (precise flow control).
Gas washing bottle and absorption liquid.
Titration device or ion chromatograph.
2. IEC 60754-2: Acidity and conductivity test
Purpose: To determine the acidity (pH value) and conductivity of the gas released when the cable material burns to evaluate its corrosiveness.
Test steps:
Sample preparation: Take 1g sample and chop it into particles ≤ 2mm.
Combustion: Place the sample in a tube furnace and burn at 950°C ± 10°C, and pass humid air (containing water vapor, flow rate 0.015 m³/h to 0.03 m³/h).
Gas collection: The combustion gas is collected through a gas wash bottle (containing a fixed volume of distilled water, typically 1000 mL).
Measurement:
Measure the pH value of the solution using a pH meter.
Measure the conductivity of the solution (µS/mm) using a conductivity meter.
Result calculation:
pH value: record directly.
Conductivity: expressed as conductivity per millimeter of sample length (µS/mm).
Test results:
pH value (typical requirement ≥ 4.3).
Conductivity (typical requirement ≤ 10 µS/mm).
Determine whether the material meets the low corrosiveness requirements.
Equipment requirements:
Tube furnace (heated to 950°C).
Wet air supply system (control humidity).
Gas washing bottle and distilled water.
pH meter and conductivity meter (accuracy meets ISO 385 etc.).
Main Features:
1. Optimized structural design, reasonable layout, easy operation;
2. All enclosure is made of stainless steel;
3. The effective length of the tubular furnace is 500~600mm, the inner diameter is 40~60mm, and it is
equipped with an adjustable electric heating system;
4. Equipped with American imported thermocouples;
5. The size of the combustion boat is 45~100mm long, 12~30mm wide, and 5~10mm deep;
6. The range of the conductivity measurement device is 0.01uS/mm~100uS/mm;
7. The control room uses electronic temperature control to intelligently control the temperature of the tubular
furnace;
8. Equipped with 2 gas collection bottles
9. The sample chamber size is 1 liter
10. Equipped PH value and conductivity tester with electronic display and electrodes
11. Airflow meter and all necessary silica fireproof pipes to prevent corrosion by gas. 12. Activated carbon (air filtration): filter the air source through the filter
13. Silica gel is used to dry the air source;
14. Pyrex pipe: users can easily insert the sample into the Pyrex furnace tube to protect the pipe from damage
15. Combustion boat moving system: the motor automatically moves the combustion boat device; making the
test more intelligent;
16. Mode conversion: mode conversion switch (two test methods are available, IEC 60754-1&IEC 60754-2)
17. Temperature alarm controller: control the temperature in the furnace to prevent overheating
18. Timer: IEC 60754-1 or IEC 60754-2 Device for measuring time in the test
19. Drawer: a box for storing accessories (such as conductivity meter, pH meter, etc.)
20 Temperature display: displays the core temperature of the furnace
21. Permanent magnetic stirrer: a stirrer for mixing combustion gases in distilled wate
22. Conductivity meter: an instrument for measuring the conductivity of combustion gases
Specification:
| Dimensions: | 1,500 (W) x500 (D) x600 (H) mm |
| Power | AC 220V ,50/60Hz ,15A |
| Weight | 60kg |
