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Volume Indicator ID-220/FRT is an audio level meter used as a volume indicating instrument for broadcast transmitters.

ID 220 FRT.png

Relationship to Similar Equipment

All models of this equipment are identical except for maintenance parts.

Technical Description

-20 to +26 volume units
.2 to .5 volume units
Major Units
ID-220/FRT 19" x 5 1/2" x 5"