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Certification:TUV、ITS、CSA、BV、SGS 、CNAS
Lab Equipment IEC60695 Hot Wire Ignition Tester , HWI Test Equipment
Product information:
This tester conforms to the standard requirement of IEC60695-2-20. It is suitable for electric and electronic products, household appliance materials to do ignition dangerous test. It simulates the heat source or ignition source of simulates glow component and overload resistance which may cause thermal stress in a short time.
Hot-wire coil ignition test adopts the specific size(ф0.5mm length:250mm)and specific material (Ni80/Cr20) of heater strip which is pre-annealed with required heating power(0.26W/mm) and time(8s～12s). Then coil heater strip on the specimen for 5 cycles according to certain wire wrapping tension (5.4N) and certain wire wrapping distance (6.35mm). Next, take the specimen with wrapping heater strip to test until 120s under the stipulate heating power (0.26W/mm) the users can judge the fire risk according to whether the specimen ignite and the ignite time.
Model specification and technical parameters:
|
Parameter model |
HWI-1 |
|
conforms to standard |
IEC60695-2-20,GB4943 |
|
Heating coil |
ф0.5mm,Ni80/Cr20,length:250mm±5mm ,cold resistance5.28Ω/m |
|
Anneal holder distance |
250mm |
|
Specimen holder distance and height |
70mm,high:60mm(the distance between the holder surface to the connector plate surface) |
|
Wire wrapping tension and its distance |
5.4N±0.05N,6.3mm±0.2mm(within 31.5mm±0.5mm,coil 5 cycle,national standard is 6mm) |
|
Annealing time and power |
8s～12s(1s～999.9s digital display can be preset),0.26W/mm±4%(digital display is adjustable) |
|
Testing time and power |
120s(1s～999.9s digital display can be preset),0.26W/mm±4%( digital display is adjustable) |
|
Specimen size |
L×W×H:(125 ± 5mm) ×(13.0 ± 0.5mm) ×(0.75+0.075 0mm,1.5+0.15 0mm,3+0.3 0mm)[ national standard is 0.75± 0.1 mm,1.5± 0.1 mm,3± 0.2 mm] |
|
Combustion box volume |
Greater than0.5 cube(can be order 0.75 cube,1cube) |
|
Power supply |
AC 220V±10%,50Hz；110V,60Hz |
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