The utility model discloses a split type nearly electric induction early warning device relates to construction safety protection technical field. This split type nearly electric induction early warning device includes detection terminal and early warning terminal, electric field detecting element that detection terminal connects including the electricity, wireless transmission unit, first power supply unit and apart from adjust knob, wireless receiving unit, early warning unit and second supply unit that the early warning terminal is connected including the electricity, detection terminal can carry out warning distance's settlement, and detection terminal and early warning terminal components of a whole that can function independently design carry out information transmission through wireless transmission unit and wireless receiving unit, satisfy when carrying out machinery vehicle high altitude construction under the electric power high -voltage line, and early warning information can in time communicate the operating personnel for the certain distance of being separated by, effectively avoids the emergence of electric shock accidents. Simultaneously, detection terminal can adapt to the voltage detecting requirement under the different circuits through carrying out the settlement of safety precaution distance apart from adjust knob, convenient operation, and the practicality is strong.