Halogen Acid Gas Emission Measurement Apparatus
Description:
This apparatus measures the pH value, acidity, and conductivity of gases emitted during the combustion of materials from cables or optical cables. It is used to determine the total halogen acid gas content in low-halogen and halogen-free flame-retardant cables and to assess gas acidity through pH and conductivity measurements.
Compliance Standards:
GB/T 17650.1 (Test methods for gases evolved during combustion of materials from cables or optical cables)
GB/T 17650.2-8
IEC 60754-1:1994, IEC 60754-2:1991
GB/T 19666-2005 (General rules for flame-retardant and fire-resistant wires and cables)
GA 306.1-2007 (Section 6.3.4), GA 306.2-2007 (Section 6.3.4)
UL 2556-2007 (Sections 9.10 and 9.11)
Heating Chamber: Effective length: 600mm; Diameter: Ø42mm.
Heating System: Adjustable electric heating system; Power: 220V/10KW (see Figure 1).
Material: Corrosion-resistant silica refractory tube.
Dimensions: Inner diameter: 40mm; Protrusion length at inlet: 60–200mm; Protrusion length at outlet: 60–100mm (allowing for thermal expansion).
Material: Fused quartz tube.
Dimensions: Length: 100mm; Width: 25mm; Depth: 10mm.
Feeding Mechanism: Driven by a bar magnet and platinum wire.
Absorption Bottles: Two bottles; one equipped with a magnetic stirrer and containing 220mL of sodium hydroxide solution.
Air Flow Meter: Adjustable range: 20–200mL.
Compressor: User-provided.
Sample Quantity: 500–1000mg.
Analytical Balance (Optional): Precision: 0.1mg.
Digital pH Meter: Precision: 0.02 pH.
Conductivity Meter: Range: 0–1×10⁵ µS/cm.
Control System: PLC + Weintek touchscreen for precise and user-friendly operation.
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