544-P3: Difference between revisions
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* [[Media:GRwiki 544-B Megohm Bridge 458-I 1954.pdf|General Radio 544-B Megohm Bridge 458-I 1954]] | * [[Media:GRwiki 544-B Megohm Bridge 458-I 1954.pdf|General Radio 544-B Megohm Bridge 458-I 1954]] | ||
* [[Media:GR 544-B Megohm Bridge 458-M 02_1960.pdf|General Radio 544-B Megohm Bridge 458-M 1960]] | |||
{{Catalog History}} | {{Catalog History}} | ||
* [[Media:GRwiki Catalog K1 OCR 1939.pdf|K1 (1939)]], p.90 | * [[Media:GRwiki Catalog K1 OCR 1939.pdf|K1 (1939)]], p.90 | ||
Revision as of 19:25, 31 March 2024
The General Radio 544-P3 AC Power Supply was introduced in 1939 Catalog K1 and remained available through Catalog R 1963.
The Type 544-P3 in an AC Power Supply for the Type 544-B Megohm Bridge. Located in the unshielded upper section of the 544-B oak case, it supplies the test voltage and bridge operating voltages. Visible in the photos are the test voltage jumpers.
Specifications
- Output Voltage: 100 V or 500 V, jumper selectable
- Short Circuit Current: 12 mA
