Detection of current or potential difference
专利汇可以提供Detection of current or potential difference专利检索，专利查询，专利分析的服务。并且PURPOSE:To easily detect a very slight potential difference or current and to detect integrated current by a simple and inexpensive device by using an electrochromic EC material as a detecting material. CONSTITUTION:Metallic magnesium bars 33, 35 are disposed near an underground embedded pipe 31 and are connected in a hand hole 37 disposed on the ground. About 800mV potential difference is generated between the pipe 31 and the bars 33, 35 and, therefore, the potential difference can be easily known at all times by using the EC material having the discoloration generation voltage (threshold voltage)( lower than said value, for example, WO3, as the detecting material. The detecting material for which the suitable EC material is used and a suitable detector are combined and are installed between the contacts B and C or B and D of the hand hole 37, by which the integrated current is exactly known and the degree of corrosion of the embedded pipe 31 and degree of elution of the magnesium bars 33, 35 are more exactly estimated by the simple means.，下面是Detection of current or potential difference专利的具体信息内容。
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