For example: Agilent E4440A or Anritsu 68369
- Test and measurement equipment
- Power Supply
- IET
- IET W5MT3W
VARIAC Auto Transformer, Single Phase, 120 V, 50-60 Hz Input
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IET W5MT3W Overview
The Variac® autotransformer is an efficient, troublefree device for controlling ac voltage and any other quantities that derive from ac voltage: heat output, light intensity, motor speed, and the outputs of various power supplies. The name Variac comes from the unit's function - "vary ac" - and is General Radio's registered name for its continuously adjustable autotransformer.
Unlike most transformers, the Variac has a transformation ratio that can be smoothly and continuously changed so the output of the unit can be controlled from zero to line voltage.or even higher. Because it is a transformer, the Variac is: Features
- efficient, transforms power more efficiently than rheostats
- durable, because it runs cool
- overload-able, withstands 1000% short-term overloads
- independent of load size or power factor, voltage to the load changes little from full load to none
- quiet, adds no noise or distortion to the line
- reliable, exclusive Duratrak® contact surface prevents injurious high-temperature oxidation and resultant brush-track deterioration