A kind of Hangxing log testing system based on double sensor and AT89C55 is introduced in the paper.

介绍一种由双传感器和AT 89 C 55单片机为核心的航星计程仪测试系统。

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Thanks to the narrow detection area of the double sensor, there is no danger of a pinch point causing harm to the operator or allowing clogging from ice or dirt.

双传感器的检测区域足够狭窄，因而不会产生挤压点导致操作人员受伤，或冰块、灰尘形成的堵塞。

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Also to ease making the connection from collector temperature sensor to control unit, a double-tipped silicon cable is attached besides the hose and insulation.

太阳能连接软管可以简便地从温度传感器连接到控制器，他除了软管和绝缘层外，还附加了一个电缆。

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