搜索 - 科创

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体积硕大的小功率可变衰减器，内部有点像转轮手枪。视频中较长的转轮是10db步进，较短的是1db步进。选好了衰减量以后需要手动加载衰减器。输入输出接口是早年罗德施瓦茨的标准，有点类似惠普apc--7的面...

真空包装（已漏气）那个年代，没有RFID，投放前需要读取纸带上的编码。电池也有独立的真空包装（也漏气了），这种裸体电池在国内外一次性探空设备中很常见。我有一个国产微型电子管探空单元也用了这样的电...

仪器本体，整个壳体为铝壳，很厚重… 顶部蓝色盖子里面有一枚15nCi(500Bq)的Cs137自检源用于开机自我校准开后盖左侧为干燥剂，右侧是有覆塑胶皮铜片包裹的小³He正比中子探测管探测器和自检源探...

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