请问一个300W的加热棒~一月能用多少个电字啊?

2025年04月01日 12:05
有5个网友回答
网友(1):

一度是3600瓦也就是一千瓦时。单位质量的某种物质温度升高1℃吸收的热量叫做这种物质的比热容,简称比热。 首先你应该应该考虑水的比热4.2*10^3j/kg*摄氏度,再算一下你家鱼缸的体积0.9*0.2*0.4=0.072(立方米)一立方米的水是一千千克,所以缸内要是满水的话是0.072*1000=72(千克)4.2*1000*72*(28-24)=1209600(焦耳)一焦耳便是一瓦秒你的加热棒是300瓦的,不考虑热量损失得出的加热时间是1209600\300=4032(秒)再加上损失,加热一次大概要1.5小时,假设一天你加热两次就是3小时那么300*3*30\1000=27(度)

网友(2):

200度上下

网友(3):

最好买一个时控开关,控制加热器定时开、关,时控开关价格低廉大约50元一个

网友(4):

这个很难计算,主要是看你鱼缸的热量散失得快不快.

加热棒一般都带有自动控制的,当温度达到要求时会自动关掉.所以,减少用电又不影响观赏的最好办法是在鱼缸上面加盖、尽量少开窗减少室温的降低。

网友(5):

300*小时数*天数/1000=你的耗电度数

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