4X(Optocoupler Tester Online Test Detection Tool for Electronic Repair8991
10,16 €
(2, confirm the optocoupler pin 1 (with a small dot on the foot test board also has the corresponding 1 feet of the logo). 1 x Optocoupler Tester). The color of the needle mounting base on the tester is random due to different batches, and the specified color is not accepted; the actual product may have color difference due to different lighting or display.
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