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Product introduction
The hot wire ignition test chamber is designed according to IEC
60695-2-20 and GB 4943 standards and conforms to the standard hot
wire ignition test method.
This hot wire ignition test chamber is mainly used for testing the
hot wire ignition hazard of electronic and electronic products and
household appliances. It is equivalent to simulating a heat source
or a fire source luminous element and overload, which can easily
cause thermal stress in a very short time.
Reference standards:
IEC 60695-2-20,GB 4943
Technical parameter:
1) Heating coil: Φ0.5mm, Ni80/Cr20, length 250mm ± 5mm, thermal resistance 5.28 Ω/m,
annealing frame distance 250mm;
2) Distance and height of specimen holder: 70mm, height: 60mm (the
distance is from the surface of specimen holder to the surface of
connector plate);
3) Winding tension and distance: 5.4N ± 0.05N, 6.3mm ± 0.2mm
(within the range of 31.5mm ± 0.5mm, the coil is 5 turns, and the
national standard is 6mm);
4) Annealing time and power: 8s~12s (digital display can be
preset); 0.26W/mm ± 4% (adjustable digital display);
5) T Test time and power 120s (1s~999.9s digital display can be
preset), 0.26W/mm ± 4% (digital display can be adjusted);
6) Sample size: LXWXH: (125 ± 5) × (13.0±0.5) × (0.75+0.075) mm,
1.5+0.150mm, 3+0.30mm) National standard 0.75 ± 0.1mm, 1.5 ± 0.1mm,
3 ± 0.2mm;
7) The volume of the combustion chamber is more than 0.5cm3 (other
dimensions are optional).