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IEC 60332 Metal Enclosure Flammability Testing Equipment For Vertical Flame Ignition Source Comply With IEC60695-11-2
Product information:
This apparatus conforms to the standard requirement of IEC60332-1-1 Tests on electric and optical fibre cables under fire conditions – Part 1-1: Test for vertical flame propagation for a single insulated wire or cable – Apparatus, IEC60332-1-2, IEC60332-1-3.
Application:
It is applicable for vertical combustion test of the single electric wire or cable. It is used to measure the combustion characteristic of insulation. The burning time can be preset according to the specimen. It is convenient to adjust the flame height.
Feature:
The test apparatus shall comprise the following:
a) a metal enclosure;
b) an ignition source;
c) a suitable chamber.
A metal enclosure (1 200 ± 25) mm high, (300 ± 25) mm wide and (450 ± 25) mm deep with open front and closed top and bottom, (see Figure 1 ), shall be used, in order to protect the test sample from draughts. It shall be constructed of rigid sheet metal.
The ignition source shall comply with IEC 60695-11 -2, which includes a method of confirmation of the test flame, except that the laboratory fumehood/chamber shall comply the below:
The metal enclosure and ignition source shall be contained within a suitable chamber, substantially free from draughts during the test duration, but with facilities for disposing of noxious gases resulting from burning. The chamber shall be maintained at a temperature of (23 ± 1 0) °C.
Technical parameters:
| Working voltage | 220V/50Hz |
| Control operation mode | Electrical control, button operation |
| Blast burner standard | IEC60695-11-2 Annex A, Burner opening:Φ7±0.05mm,made of brass |
| Gas flow and gas category | Mixture gas: 650±30mL/min propane；10±0.5L/min air,Dual flow meter adjustment |
| Burning time | 9999X0.1S |
| Burning angle | Tilt 45°±2°, Adjustable |
| Test flame calibration | Temperature measuring copper head: 500W: Ф9mm±0.01mm, weight before drilling:10 ± 0 .05g |
| Thermocouple: The American original Omega φ0.5 armour nickel-chromium/nickel aluminum wire K-Thermocouple, temperature resistance 1100° | |
| Distance between the bunsen burner port to temperature measuring copper block:95 mm | |
| Flame height: Inner flame:55±5mm, outer flame:180±10mm | |
| Temperature rise time from 100±5°C to 700°±3°C 45±5s | |
| Combustion chamber | WDH: 300×450×1200±25mm |
| Gas | >95% propane or coal gas |
| Test sample | Length:600±25mm, distance from the bottom:50mm |
| Fixed horizontal support of the sample | 2, distance:550mm |
