544-B: Difference between revisions

Revision as of 07:28, 13 March 2024

General Radio 544-B

megohm bridge File:GR 544-B Front Close-up General Radio 544-B Megohm Bridge Available from 1939 to 1963 Manuals General Radio 544-B Megohm Bridge 458-I 1954 (All manuals in PDF format unless noted otherwise)

The General Radio 544-B Megohm Bridge was introduced in 1939 Catalog K1 and remained available through Catalog R 1963.

Range: 0.1 MΩ to 1,000,000 MΩ.
Accuracy: ±3% on the 0.1, 1, and 10 multipliers; ±4% on the lOO and 1000 multipliers.
Output Voltage AC Supply: 100 V or 500 V Jumper Selectable.
Short Circuit Current AC Supply: 12 mA.

@@ Line 1: / Line 1: @@
-Type '''544-B Megohm Bridge'''.
+{{GR Product
+|model=544-B
+|class=impedance measurement
+|summary=megohm bridge
+|image=GR 544-B Front Close-up
+|caption=General Radio 544-B Megohm Bridge
+|series=544
+|introduced=1939
+|discontinued=1963
+|designers=
+|manuals=
+* [[Media:GRwiki 544-B Megohm Bridge 458-I 1954.pdf|General Radio 544-B Megohm Bridge 458-I 1954]]
+}}
+The '''General Radio 544-B Megohm Bridge''' was introduced in 1939 Catalog K1 and remained available through Catalog R 1963.
 ==Specifications==
+* '''Range:''' 0.1 MΩ to 1,000,000 MΩ.
+* '''Accuracy:''' ±3% on the 0.1, 1, and 10 multipliers; ±4% on the lOO and 1000 multipliers.
+* '''Output Voltage AC Supply:''' 100 V or 500 V Jumper Selectable.
+* '''Short Circuit Current AC Supply:''' 12 mA.
 ==Links==
+* [[Media:GR Exp 544-B 07_1937.pdf|Experimenter describing Type 544-B July 1937]]
+* [[Media:GR Exp 544-B 06_1939.pdf|Experimenter describing Type 544-B June 1939]]
+* [[Media:GR Exp 544-B 02_1940.pdf|Experimenter describing Type 544-B February 1940]]
 ==Photos==
 <gallery>
+GR 544-B Front  In_Case.jpg
+GR 544-B Inside Bottom.jpg
+GR 544-B Inside Top.jpg
+GR 544-B Rear Inside.jpg
+GR 544-B Right Side.jpg
+GR 544-B Case Closed.jpg
+GR 544-B Case Side.jpg
+GR 544-B Case Open Cover.jpg
+GR 544-B Case Inside.jpg
 </gallery>
 [[Category:Impedance measurement]]