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Limiting Oxygen Index Tester

Introduction
To automatically determine the minimum quantity of oxygen required for combustion. The apparatus determines the flammability characteristics of the materials used in the production of electric cables. The oxygen percentage is detected by a paramagnetic transducer (O2 accuracy <0.1%), and the combustion occurs inside the glass column. The operator is fixing only the O2ratio, while the N2flux is kept constant by proportional valve of the electronic system. Two units separated, one to check the measurements and one to feed oxygen and nitrogen to the column where the testing sample is placed.
Technical Parameter:
Main unit:360 x 300 x 240 h (mm)
Colum unit:200 x 300 x 50 h (mm)
Colum:Type A ,Ø100 x 450 h (mm)
Overall dimension:360 x 300 x 740 h (mm)
Net weight:13 kg
Gross weight:19kg
Power supply:230 V 50Hz,single phase
Gas:oxygen, nitrogen, propane, dry industrial air 2 bar

ASTM D 2863Standard Test Method for Measuring the Minimum Oxygen Concentration to Support Candle-Like Combustion of Plastics (Oxygen Index)
ISO 4589-2Plastics-Determination of burning behaviour by oxygen index –Part 2: Ambient-temperature test
CEI 20-22/4Tests on electric cables under fire conditions-Part 3: Tests on bunched wires or cables

Configuration include
· Support for self supporting specimens
· Support for non-self supporting specimens
· Support for thin specimens
· Column Pyrex glass with cap
· Burner for the ignition of the sample with manual regulator and gas hose
· Clamp for specimen positioning
· Determination of the percentage of oxygen through a paramagnetic transducer (accuracy O2<0.1% )
· Direct reading on color display 3.2" (% Oxygen, Flow, Air)
· Automatic flow through Mass flow
· Automatic mixing oxygen / nitrogen
· Management of equipment Microprocessor
· Management mixture by addition of air to more economic measures with high concentration oxygen
· Automatic calibration (0 and 100%)
· Distributor flow inside the column
· USB output to connecting PC

Optional:Software testing report data, easy to use, customize your testing procedures and final report.


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