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根据UL859
5 K/ |( W% |3 c. V; ? i' A( dCl.36.3 The power input to the appliance is to be measured with the appliance at operating temperature under full-load conditions, and while connected to a circuit of a voltage in accordance with 37.1.13. Control switches or the equivalent, if provided, are to be set to give the maximum power input. For an appliance having a preheat cycle of operation as defined in 3.23, the maximum input value measured during the preheat cycle, with the appliance at room temperature at the beginning of the measurement, is to be used to determine compliance with the requirement specified in 36.1.6 R9 V& v j' q% p; B& `7 [
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Exception: The power input of an appliance that uses a positive temperature coefficient (PTC) heating element shall be measured 1 minute after it has become energized.
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这个标准是要求1min后定这个功率!
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2 p! Q& j8 o- m& G& a: ?* x看一下我们为TUV Rh 预测带PTC直发器产品的Test Plan,希望有帮助! |
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