Polarity Tester

In stock
SKU
N99-B-2637-055
$12.00
Polarity Tester.
POLARITY TESTER
(diode)
Use this diode Polarity Tester to indicate whether a current is positive or negative. Perfect for experiments shown in the Adventures with the GENECON® Instruction Manual for the best selling GENECON®12 Hand Generator.
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Product Name Polarity Tester
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