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A-D Converter

Abnormal Oscillation

AC adapter

AC Ground

AC to DC Converter

Active Components

Active Filter

Aging

Air Spacing

Alarm Signal

Allowable Input Impulse Noise

Allowable Input Voltage Dip

Allowable Range

Alternating Current

Aluminum Base Plate

Ambient Temperature Inside Equipment

American National Standards Institute

Analog to Digital Converter

Analogue Signal

Apparent Power

Arrestor

Arrhenius's law

Attenuation Characteristics

Automatic Reset

Average Detection Control