地电测量（geoelectrical survey）是指利用仪器对自然电位随时间变化所作的观测。地下存在天然的弱电流，地壳两点间有电位差，称为自然电位，在地震发生前常有自然电位差突然升降的异常现象。因此地电测量是地震预测的手段之一。但地电场变化的原因相当复杂，需要进行科学的综合分析。
E-SCAN地电测量 E-SCAN resistivity survey
接地电阻测量仪 Earthing resistance tester ; groundmeter ; ground resistance measuring set ; ground resistance measuring instrument
接地电阻测量计 earth resistance meter
大地电磁测量 crustal magnetotelluric measurement
对地漏电测量器 earth leakage meter
大地电流测量器 earth-current meter
接地电阻测量 grounding resistance measuring ; grounding resistance measurement
无线电大地测量学 [测] radiogeodesy
水下地貌电声测量 underwater geomorphological measurement
图4 - 16示出6485型皮安计从离子收集电极测量电流的情况，这时仪器工作在地电位。
Figure 4-16 shows a Model 6485 Picoammeter measuring the current from the ion collector, which is operating at ground potential.
该测量方法的提出彻底解决了传统绝缘参数间接测量法只能测量电网对地阻抗近似代替对地电容的缺陷。
This presented method thoroughly gets over a gap that foregone indirect methods can only measure insulation impedance to substitute distributing capacitance.
介绍了井—地电位测量技术方法原理，重点分析了井—地电位测量数据成像处理方法和在新疆油田五1区的应用。
This paper addresses the theory of well-ground potential measurement, with emphasis on data image processing and its application in Wu1 Block of Xinjiang Oilfield.
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