n.測高計

When the hypsometer is used with static level gages, which are installed on the top and base of the dam, the altitude data transmission can be realized in real time. 若將傳高儀與壩頂布設的靜力水準儀和廊道內布設的靜力水準儀相結合應用，則可達到實時自動傳遞高程的效果。

continuously adjustable selective hypsometer 連續(xù)調整選擇沸點測定器

trigonometrical hypsometer 三角法測高器