IEC 60754-1 Cable Test Acid Gas Test Apparatus
- Description
- Inquiry
Compliance with standards
1.1 Complies with GB/T 17650.1-2021/IEC 60754-1:2019  Test method for gases released during combustion of materials from cables or optical cables Part 1: Determination of the total amount of halogen acid gases.
1.2 Complies with GB/T 17650.2-2021/IEC 60754-2:2019  Test method for gases released during combustion of materials from cables or optical cables Part 2: Determination of acidity (measured by pH) and conductivity.
Scope of application
2.1 Used to measure the total amount of halogen acid gases other than hydrofluoric acid released during combustion of mixtures based on halogenated polymers and mixtures containing halogenated additives taken from cable or optical cable structures.
2.2 Used to measure the acidity (pH) and conductivity of gases released from materials on various components of cables or optical cables during combustion dissolved in aqueous solution.
2.3 The exceptions specified in the above standards are not within the detection scope of the equipment.
Main parameters
3.1 Tubular furnace: effective length and diameter of heating chamber 600×ф58mm, equipped with an adjustable electrical heating system, heating power: 220V/6KW.
3.2 Combustion tube:
3.2.1 Material: refractory tube made of high-temperature quartz tube (silicon dioxide), resistant to corrosive gas.
3.2.2 Specifications: inner diameter 40mm, the length extending from the inlet side of the tubular furnace is 60~200mm, and the length extending from the outlet side is 60~100mm, leaving a gap for thermal expansion.
3.3 Combustion boat:
3.3.1 Material: fused quartz tube.
3.3.2 Specifications: inner diameter 75mm, width 27mm, depth 8.5mm.
3.3.3 Combustion boat feeding method: bar magnet and platinum wire pulling method.
3.4 Gas collection: Three bottles are used: one of which is equipped with a magnetic stirrer and contains at least 220mL of sodium hydroxide solution.
3.5 Gas supply system:
3.5.1 Air flow meter: 50mL~500mL/min adjustable
3.5.2 Compressor (provided by your company)
3.6 Sampling: Sampling in accordance with national standards
3.7 Determination of halogen acid content:
3.7.1 Analytical balance: accuracy and resolution is 0.1mg (optional, cost is calculated separately)
pH meter
Figure 2, digital pH meter (picture is for reference only, not as a delivery standard)
3.7.2 Digital pH meter: accuracy is 0.02PH (see Figure 2)
3.7.3 Conductivity meter: measurement range: (0~1×105)μS/cm
conductivity meter
Figure 3, conductivity meter (picture is for reference only, not as a delivery standard)
3.8 Conductivity meter
3.8.1 Large screen, blue backlight, double-row digital display LCD with manual and automatic temperature compensation function
3.8.2 Four types of electrodes with conductivity cell constant of 0.01, 0.1, 1.0 and 10.0cm-1, selected by the user
3.8.3 Novel plane design, appearance design patent number: ZL 200430036029.2
3.8.4 Electrical connectors are lower than the plane, which is helpful for corrosion prevention and safety
3.8.5 Automatic conversion of measurement frequency, titanium alloy electrodes with conductivity cell constant of 0.01cm-1 and sealed measuring slot are selected3.8.6 Conductivity meter technical indicators:
3.8.6.1 Instrument level: 1.0 level
3.8.6.2 Measuring range:
A Conductivity: (0～1×105)μS/cm
B Conductivity cell constant corresponds to the best conductivity measurement range
C Conductivity cell constant cm-1 0.01 0.1 1 10
D Measurement range μS/cm 0～2 0.2～20 2～1×104 1×104～1×105
3.8.7 Electrode constant, cm-1: 0.01, 0.1, 1.0, 10.0
3.8.8 Basic error of electronic unit: ±0.5%(FS)±1 word
3.8.9 Stability of electronic unit: ±0.33%(FS)±1 word/3h
3.8.10 Basic error of instrument: ±1.0%(FS)±1 word
3.8.11 Temperature compensation range: (15～35)°C, reference temperature 25°C
3.8.12 Temperature of measured solution: (5～60)℃
3.9 Digital pH meter
3.9.1 Applicable to laboratory sampling and determination of pH value and potential (mv) value of aqueous solution;
3.9.2 Instrument level: 0.02 level
3.9.3 Measurement range: pH: (0.00-14.00) pH mV: (-1400–1400) mV
3.9.4 Resolution: pH: 0.01 pH mV: 1 mV
3.9.5 Basic error: pH: ±0.01 pH ± 1 word mV: ±2 mV ± 1 word
3.9.6 Input impedance: 1×1012 ohms
3.9.7 Stability: ±0.01 pH ± 1 word/3h
3.9.8 Temperature compensation range: (0-60) ℃
3.9.9 Length 1.5M, width 0.8M
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