做damptheat(IEC68-2-30Variant1):标准对于这个高温到低温降温过程要求的速率很细(Therateoffallforthefirst
oneandonehalfhoursshallbesuchthat,ifmaintainedasindicatedinFigure2a),但看到有些厂商只是设置简单的3h降温,湿度控制也没有严格按照标准要求控制,请问大家做个dampheat测试一般用什么特定型号设备?
Variant1(seeFigure2a)
Thetemperatureshallbeloweredto25°C±3Kwithin3hto6h.Therateoffallforthefirst
oneandonehalfhoursshallbesuchthat,ifmaintainedasindicatedinFigure2a,itwould
resultinatemperatureof25°C±3Kbeingattainedin3h±15min.Therelativehumidityshall
benotlessthan95%RH.Duringthefirst15minitshallbenotlessthan90%RH.
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