◉ Measuring principle : Assessment of combustibility of cable or wire subject to Tirrill burner
◉ Sample : 455mm long cut from a sample length of the finished cord, wire, cable, or cord conductor
◉ Burner : Adjustable 0°, 20° and rest positions ASTM D 5025 compliant Tirrill burner
◉ Thermal sensor : Type-K, stainless steel thermocouple
◉ Burner cotton table : 305mm(H) x 305mm(W) x 355mm(L)
◉ External dimensions (approx.) : 2000mm(L) x 2500mm(W) x 1060mm(H)
◉ Internal test chamber dimensions : 1800mm(L) x 2450mm(W) x 900mm(H)
◉ Internal chamber volume : 4.0㎥
◉Electricity : 96-264 AC 8A, 50/60Hz
◉Gas : A supply of technical grade methane gas (min. 98% pure) with regulator and meter for uniform gas flow. (Connection via 6mm compression fitting)
◉Extraction : The supplied exhaust fan must be connected to a suitable exhaust point, e.g. fume cupboard or external extraction system. Outer diameter of exhaust chimney = 100mm. An air intake vent automatically opens when extraction is switched on.
◉Conditioning: This test is to be performed on un-aged specimens. The specimens, the apparatus, and the surrounding air are to be in thermal equilibrium with one another at a temperature of 23.0±5.0℃.
◉Test Accessories : Cotton- a supply of absorbent 100% cotton. A strip of un-reinforced 60lb or 94g/㎡ Kraft paper that is 1/2 inch or 10mm wide, at or near 5mils or 0.1mm thick.