PROBLEM TO BE SOLVED: To provide an electric field detection output device which is excellent in simplicity, quick reportability, accuracy and noninvasiveness so that electric field intensity and direction can be measured and grasped easily and accurately. SOLUTION: Detecting a direct current or an alternating current, which is provided between flat electrodes 11 and 12 disposed substantially parallel to each other and the electrodes 11 and 12 and charges are induced in the electrodes 11 and 12 The virtual grounding current detector 2 that is disposed between the electrodes 11 and 12, the LEDs 31 to 34 that output the current detected by the virtual grounding current detector 2, and the electrodes 11 and 12, And a power source 4 for supplying power to the grounded current detector 2 and the LEDs 31 to 34. [Selection] Figure 1【課題】 電界強度や方向を、簡便に精度よく計測して把握可能とするために、簡便性、速報性、精度、非侵襲性に優れる電界検知出力装置を提供する。【解決手段】 略平行に配設された平板状の電極11、12と、電極11、12間に配設され、電極11、12に電荷が誘起された際に生じる直流電流または交流電流を検出する仮想接地型電流検出器2と、電極11、12間に配設され、仮想接地型電流検出器2によって検出した電流を出力するLED31~34と、電極11、12間に配設され、仮想接地型電流検出器2およびLED31~34に電力を供給する電源4と、を備えることを特徴とする。【選択図】 図1