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Oxygen Index Test Apparatus
limitation oxygen index LOI ASTM D2863

Oxygen Index Test Apparatus

Model: YZS-100A, YZS-100B

Oxygen Index Apparatus/LOI tester (Limitation Oxygen Index tester) is widely used to measure burning performance of plastics, rubber, fiber, foam, softening sheet, film etc.,

The Oxygen Index is the most economical and precise quality control test of combustible materials. Its ease of use together with high levels of precision has made this technique a primary characterising and quality control tool to the plastic and electric cable industries and it has been specified by several military and transport groups. The technique measures the minimum percentage of oxygen in the test atmosphere that is required to marginally support combustion.

General introduction

Oxygen Index Apparatus/LOI tester (Limitation Oxygen Index tester) is widely used to measure burning performance of plastics, rubber, fiber, foam, softening sheet, film etc.,

The Oxygen Index is, perhaps, the most economical and precise quality control test of combustible materials. Its ease of use together with high levels of precision has made this technique a primary characterising and quality control tool to the plastic and electric cable industries and it has been specified by several military and transport groups. The technique measures the minimum percentage of oxygen in the test atmosphere that is required to marginally support combustion.

Oxygen Index Test Apparatus


Main Features

  • Key feature
  • Standard
  • Main application

1, Reasonable structure, easy to operate, consist by main control box and burning tube.

2, Adopt Imported high accuracy oxygen sensor, digital display the oxygen concentration value, eliminated personal error. High accuracy, long working life, easy operation etc. features. 

3, Front panel is ash black plasticvneree frosting face, 304 SS decorate strip surrounding, with beautiful appearance.  

4, YZS-100A is dial gauge pressure indication, YZS-100B is digital gauge pressure indication.

ISO 4589-2  " Plastics -- Determination of burning behaviour by oxygen index -- Part 2: Ambient-temperature test”

ASTM D2863  " Standard Test Method for Measuring the Minimum Oxygen Concentration to Support Candle-Like Combustion of Plastics (Oxygen Index) “

NES 714, EN 45545-2. etc.,


Plastic material, cable insulation, duct insulation, laminate, printed circuit board, foam, rubber, film etc,

Main technical specification

ModelYZS-100AYZS-100B
Pressure displayDial gaugeDigital meter
Limitation Oxygen index valueDigital reading directly
Burning tube inner diameter100mm
75mm (optional)
Burning tube height450mm
Flow meter accuracy2.5 calss
Pressure meter accuracy2.5 calss
Gas sourceOxygen, Nitrogen
Input pressure0.2~0.3Mpa
Working pressure0.05~ 0.15Mpa
Oxygen concentration resolution0.1%
Sample typeSelf supporting, or non-self supporting
Weight

Frame: 52Kg

Gross weight: 65Kg

DimensionFrame: 590*480*560mm
Package: 690*580*790mm
Power220V, 50Hz/110V, 60HZ, single phase


Main Accessories

ItemQuantity
Frame1 set
Burning tube1 set
Igniter1 pc
Sample clip2 pcs
Tube clip1 pc
Stopwatch1 pc
Strengthen plastic tube1 pc
Glass ball2 bags
Documents (Manual, packing list, certificate)


self supporting gripper

self supporting material gripper

sample supporting fixture

sample supporting fixture

non-self supporting gripper

non-self supporting material gripper

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Beijing United Test Co., Ltd.