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    • 9. 发明申请
    • DIGITAL MULTI-METER
    • 数字多表
    • US20140266155A1
    • 2014-09-18
    • US14212156
    • 2014-03-14
    • Milwaukee Electric Tool Corporation
    • Benjamin Oliver Ryan CabotEvans H. Nguyen
    • G01R15/12
    • G01R15/09G01R15/125
    • A multi-meter including a current input, a common input, a display, a first current measurement circuit, a second current measurement circuit, and a controller. The controller includes a first input and a second input. The controller operable to receive a first voltage from the first current measurement circuit at the first input, receive a second voltage from the second current measurement circuit at the second input, determine a value for a current being measured based on the first voltage if the first voltage is below a predetermined threshold, determine a value for a current being measured based on the second voltage if the first voltage is above the predetermined threshold, generate an output signal related to the determined value for the current, and provide the output signal to the display.
    • 一种包括电流输入,公共输入,显示器,第一电流测量电路,第二电流测量电路和控制器的多表。 控制器包括第一输入和第二输入。 所述控制器可操作以在所述第一输入处从所述第一电流测量电路接收第一电压,在所述第二输入处从所述第二电流测量电路接收第二电压,如果所述第一电压是第一电压,则确定基于所述第一电压的正在测量的电流的值 电压低于预定阈值,如果第一电压高于预定阈值,则基于第二电压确定正在测量的电流的值,产生与所确定的电流值相关的输出信号,并将输出信号提供给 显示。