1644-A: Difference between revisions

Resistance Range: 1 kΩ to 1000 TΩ in ten decade ranges.
Accuracy: from 1 kΩ to 10 GΩ ±1% Basic accuracy see manual.
Test Voltages: 10, 20, 50, 100, 200, 500, and 1000 Volts.
Short-Circuit Current: &lt;15 mA at 10 V to 50 V; &lt;10 mA at 100 to 1000 V.

Revision as of 02:27, 29 February 2024

General Radio 1644-A

megohm bridge General Radio 1644-A Megohm Bridge Available from 1965 to (?) Manuals General Radio 1644-A Manual 1644-0100-A 1964 (All manuals in PDF format unless noted otherwise)

The General Radio 1644-A Megohm Bridge is a Megohm Bridge introduced in 1965 Catalog S and remained available through Catalog78.

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 GR 1644-A Open Side Case.jpg
 GR 1644-A Inside Bottom.jpg
-GR 1644-A Inside Rear B.jpg
+GR 1644-A Inside Rear B.jpg|Detector Board and Foil Side of Power Supply
 GR 1644-A Inside Rear Board.jpg
 GR 1644-A Inside Rear.jpg