宏宇达数控 & 弘宇达智能
地址：深圳市南山区中山园路 1001 号 E4-6C（TCL 国际 E 城）
TEL：0755-26625800 FAX：0755-26729960 -8-
2.3 Interface specification
2.3.1 Interface layout
2.3.2 Power interface
The outer box of the machine is the negative pole of the capacitor to be tested. In
order to ensure the stable operation of the measuring circuit, the “PE foot” of the power
interface must be connected to the machine box (ie, it is well connected to the machine
box), and the box of the preamplifier must also be connected to the box of the machine.
The specific indicator is that the DC impedance is always less than 10 ohms, otherwise
the actual follow-up effect may be poor.
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