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■ 为防止漏到地上的电流导致的接地电阻值显示误差,另设有检测大地电压(0~30V)的量程■ 带按钮开关的省电设计,接地电阻检测可通过自动开关按钮控制,防止电池消耗

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3CH可编程直流电源,0~32V/3A,0~-32V/-3A,(3.3V/5V)/3A,具Up/Down键,RS-232

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