Model309 數(shù)字接地電阻測(cè)試儀
- 公司名稱 北京恒遠(yuǎn)安諾科技有限公司
- 品牌
- 型號(hào) Model309
- 產(chǎn)地 美國(guó)
- 廠商性質(zhì) 經(jīng)銷商
- 更新時(shí)間 2024/6/20 8:51:53
- 訪問次數(shù) 731
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The model 309 Digital Earth Resistance Meter （Earth Ground Meter） is a small, compact, battery powered, professional meter. This easy-to-use meter is invaluable to electricians and contractors who need to ensure the "ground" quality and effectiveness of buildings, structures, equipment or electrical systems. A good earth ground is required for new buildings or structures needing to pass required electrical codes. Older buildings can lose a good, effective earth ground connection over time. This can happen after a building or structure has been struck by lightning
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