Luft Negativ Ionen Tester Ionenmessgerät Aeroanion Detektor Negativ Sauerstoff Ionen4151
48,02 €
The closer the distance between the thumb and the air negative ion generator to be tested, the higher the degree of the tester, and vice, the smaller the degree of the tester. The tester is easy to carry and is suitable for testing high concentration ion sources.
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