This stands for milliamp DC. It is used in reference to linear DC milliamp inputs and the linear DC milliamp outputs on controllers, indicators and recorders. Typically, these will be 0 to 20mA or 4 to 20mA.
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This stands for milliamp DC. It is used in reference to linear DC milliamp inputs and the linear DC milliamp outputs on controllers, indicators and recorders. Typically, these will be 0 to 20mA or 4 to 20mA.
