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The Limiting Oxygen Index (LOI) fire test is perhaps the most economical and precise quality control test for combustible materials. Its ease of use together with high levels of precision has made this technique a primary characterization and quality control tool for the plastic materials and electric cable industries. It is often used in materials specifications and material/product data sheets . The test assesses the minimum percentage of oxygen in the test atmosphere that is required to marginally support combustion.0BCTextile Testing Instruments, Testing Equipment Manufacturer
0BCTextile Testing Instruments, Testing Equipment Manufacturer
The unit has been designed to be compact for efficient use in a standard fume cupboard (or under a simple ventilation hood that we can also supply if required). The unit gives continuous digital readout of oxygen concentrations in the test atmosphere to facilitate quick settings of test concentration. Stabilised oxygen percentages are read from the digital readout and no additional flow adjustments are required. This is a considerable improvement over systems that use analogue gauges or require flow matching and the use of graphs or tables to calculate oxygen concentrations. This makes the unit as automatic as is feasible.0BCTextile Testing Instruments, Testing Equipment Manufacturer
0BCTextile Testing Instruments, Testing Equipment Manufacturer
While many designs of the LOI test apparatus calculate oxygen index based on the flow of oxygen and nitrogen, the unit incorporates a paramagnetic oxygen analyzer for precise measurement of oxygen concentration without the need for calculations and frequent recalibrations.0BCTextile Testing Instruments, Testing Equipment Manufacturer
0BCTextile Testing Instruments, Testing Equipment Manufacturer
0BCTextile Testing Instruments, Testing Equipment Manufacturer
Features>0BCTextile Testing Instruments, Testing Equipment Manufacturer
Paramagnetic Oxygen Analyzer for assessing accurate oxygen (plusmn; 0.1%) levels.0BCTextile Testing Instruments, Testing Equipment Manufacturer
Glass test chimney: 450 mm x 75 mm0BCTextile Testing Instruments, Testing Equipment Manufacturer
Igniter wand0BCTextile Testing Instruments, Testing Equipment Manufacturer
Automatic flow control gives oxygen level adjustment by turning one single valve.0BCTextile Testing Instruments, Testing Equipment Manufacturer
Digital display of oxygen percentage in atmosphere during test (no calculations needed).0BCTextile Testing Instruments, Testing Equipment Manufacturer
Digital display of temperature of gas mixture entering the test chimney.0BCTextile Testing Instruments, Testing Equipment Manufacturer
Quick loading of sample into test chimney.0BCTextile Testing Instruments, Testing Equipment Manufacturer
Sample holders for both rigid and flexible samples supplied.0BCTextile Testing Instruments, Testing Equipment Manufacturer
One pack of 10 clear PMMA calibration samples (Oxygen Index: 17.4) supplied.0BCTextile Testing Instruments, Testing Equipment Manufacturer
0BCTextile Testing Instruments, Testing Equipment Manufacturer
Specification>0BCTextile Testing Instruments, Testing Equipment Manufacturer
Digital readout for oxygen concentration: +/- 0.1%0BCTextile Testing Instruments, Testing Equipment Manufacturer
Dimensions (mm): 350(W) x 370(D) x 280(H)0BCTextile Testing Instruments, Testing Equipment Manufacturer
Column size (mm): 75 amp; 100(dia) x 450(H)0BCTextile Testing Instruments, Testing Equipment Manufacturer
Weight (kg): 140BCTextile Testing Instruments, Testing Equipment Manufacturer
Voltage: 230V 50Hz 1A or 110V 60Hz 2A0BCTextile Testing Instruments, Testing Equipment Manufacturer
Operating Manual: Supplied0BCTextile Testing Instruments, Testing Equipment Manufacturer
Other Service requirements: Bottled O2/N2, Propane
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