ISO 12858的本部分规定了测量仪器用伸缩三脚架的最重要要求 以及仪器和三脚架之间的连接。 ISO 12858本部分的要求使不同制造商的仪器和三脚架能够连接到 在不影响其性能和实用性的情况下。 ISO 12858的本部分适用于用于水准仪、经纬仪、测角仪、GPS的三脚架 设备、EDM仪器以及目标、反射器、天线等的组合。

This part of ISO 12858 specifies the most important requirements of telescopic tripods for surveying instruments and the connection between instrument and tripod. The requirements in this part of ISO 12858 enable instruments and tripods of different manufacturers to be joined to one another, without prejudicing their performance and their usefulness. This part of ISO 12858 is applicable to tripods which are used for levels, theodolites, tacheometers, GPS equipment, EDM instruments and in combination with targets, reflectors, antennae, etc.