IEC 60754-1 Cable Halogen Acid Gas Release Test Machine

Compliance with standards

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.

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

 

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.

 

IEC 60754-1 Cable Halogen Acid Gas Release Test Machine 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.

 

The exceptions specified in the above standards are not within the detection scope of the equipment.

 

Main parameters

 

Tubular furnace: effective length and diameter of heating chamber 600×ф58mm, equipped with an adjustable electrical heating system, heating power: 220V/6KW.

Combustion tube:

Material: refractory tube made of high-temperature quartz tube (silicon dioxide), resistant to corrosive gas.

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.

Combustion boat: 

Material: fused quartz tube. 

Specifications: inner diameter 75mm, width 27mm, depth 8.5mm.

Combustion boat feeding method: bar magnet and platinum wire pulling method.

Gas collection: Three bottles are used: one of which is equipped with a magnetic stirrer and contains at least 220mL of sodium hydroxide solution.

Gas supply system:

Air flow meter: 50mL~500mL/min adjustable

Compressor (provided by your company)

Sampling: Sampling in accordance with national standard 

Determination of halogen acid content:

Analytical balance: accuracy and resolution is 0.1mg (optional, cost is calculated separately)

Digital pH meter: accuracy is 0.02PH (see Figure 2)

Conductivity meter: measurement range: (0~1×105)μS/cm

 

Conductivity meter

 

Large screen, blue backlight, double-row digital display LCD with manual and automatic temperature compensation function

Four types of electrodes with conductivity cell constant of 0.01, 0.1, 1.0 and 10.0cm-1, selected by the user

Electrical connectors are lower than the plane, which is helpful for corrosion prevention and safety

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:

 Instrument level: 1.0 level

 

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

 

Electrode constant, cm-1: 0.01, 0.1, 1.0, 10.0

Basic error of electronic unit: ±0.5%(FS)±1 word

Stability of electronic unit: ±0.33%(FS)±1 word/3h

Basic error of instrument: ±1.0%(FS)±1 word

Temperature compensation range: (15～35)°C, reference temperature 25°C

Temperature of measured solution: (5～60)℃

 

Digital pH meter

 

Applicable to laboratory sampling and determination of pH value and potential (mv) value of aqueous solution;

Instrument level: 0.02 level

Measurement range: pH: (0.00-14.00) pH mV: (-1400–1400) mV

Resolution: pH: 0.01 pH mV: 1 mV

Basic error: pH: ±0.01 pH ± 1 word mV: ±2 mV ± 1 word

Input impedance: 1×1012 ohms

Stability: ±0.01 pH ± 1 word/3h

Temperature compensation range: (0-60) ℃

Length 1.5M, width 0.8M