Description
Electronic hot wire ignition test chamber for ignition dangerous test
Product introduction•The hot wire ignition test requirements for electrical and electronic products, household appliances,fire hazard testing of materials,components or simulation burning like overload resistance heat or ignition source in a short time caused by thermal-stress .
•Hot wire ignition performance is expressed as the mean number of seconds needed to either standard specimens without ignition,the specimens are wrapped with resistance wire that dissipates a specified level of electronic energy.
GB4943 - 2001,IEC60950:1999,IEC60695-2-20,UL60950,ASTM D3874 - 1997,UL60950,IEC60950-1999,ASTM D3874 - 1997.
Specifications :A. current: current yielding a linear power density of 0.26w/mm through the heater wire .B. Test specimen winding device :provided to wind five turns of the heater wire uniformly on the test specimen with a 6.3mm +/- 0.2mm pitch and a tension of 5.4N+/-0.05N.C. heating wire:0.5mm+/-0.020mm Ni/Cr (80/20) ,and has a nominal cold resistance of approximately 5.25.D. Supply circuit:0.3w/mm power density ,adjusting the power level smoothly and continuously , with an on-off switch for the test power and timers to record the duration of application of the test power.E. Chamber with volume of at least 0.5mm3,black interior .Detailed picture:
Our service :
1. High quality guarantee.
2. Shipment with professional documents.
3. Packing as your request, with photo before shipment.
4. Reply within 48 hours and provide solution within 3 working days
5. Professional after-service from our engineers.
6. Warranty period 12 monthes.
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