电子验电器 ,
电荷指示器

电子验电器 , 电荷指示器, 1009962 [U8557100], 静电学
电子验电器 , 电荷指示器, 1009962 [U8557100], 静电学
Product Information: ..
Electronic electroscope for showing electric charge and its sign, whereby either a blue or a red LED lights up in the presence of charge. 

Specifications: ..
Dimensions: 62 mm x 67 mm x 20 mm approx.
Weight: 85 g approx.

Contents: ..
1 Charge Indicator
2 1.5-V batteries (AA)

产品编号: 1009962 [U8557100]
重量 0.038 kg
3B 科技 产品型号 3B Scientific
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