Simpson 303 - VTVM

Vacuum Tube Volt Meter

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The Simpson 303 with test leads and attached power cord.

In 1957 this model listed for $68.00, the roll top case version was $76.00.

A copy of the Simpson 303 manual can be downloaded here.

Controls include: Ohms zero adjustment, AC - DC Voltage / Ohms selector switch,

and a 5 position Ohms Range selector switch.

This model 303 uses a threaded connector for the test lead instead of a BNC type connector.

The ground lead uses the pin jack.

Simpson 303 VTVM Specifications


Ranges 1.2V, 12V, 60V, 300V, 1200V


Ranges 1.2V, 12V, 60V, 300V, 1200V


5 Ranges -20 to +63dB * Reference 0dB= 1mW into 600Ω


Ranges Rx1, Rx100, Rx1K, Rx10K, Rx1MEG

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 Copyright 2011 - Doric L. Dods - All Rights Reserved 

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