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Megohm Bridge 1644-A

Megohm Bridge 1644-A; General Radio (ID = 2310723) Equipment
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Megohm Bridge 1644-A; General Radio (ID = 2310723) Equipment
General Radio: Megohm Bridge 1644-A [Equipment] ID = 2310723 534x464
Select picture or schematic to display from thumbnails on the right and click for download.
For model Megohm Bridge 1644-A, General Radio Company; Cambridge (MA):
Source is original manual
Country:  United States of America (USA)
Manufacturer / Brand:  General Radio Company; Cambridge (MA)
alternative name
Year: 1964 ?? Category: Service- or Lab Equipment
Valves / Tubes 2: 8380 CK6418
Semiconductors (the count is only for transistors) 5: 2N1377 2N910 2N910 2N1304 2N1131
Main principle ZF/IF dc kHz
Wave bands - without
Power type and voltage Alternating Current supply (AC) / 50 - 400 Hz: 105 - 125 or 210 - 250 Volt
Loudspeaker - - No sound reproduction output.
Power out
from Model: Megohm Bridge 1644-A - General Radio Company;
Material Metal case
Shape Tablemodel, Box - most often with Lid (NOT slant panel).
Dimensions (WHD) 12.75 x 12.5 x 7.75 inch / 324 x 318 x 197 mm

Operating ranges

R: 20µΩ - 1TΩ

C: ≤1pF - 1F

L: 100µH - 100H

Net weight (2.2 lb = 1 kg) 19 lb (19 lb 0 oz) / 8.626 kg

Model page created by Bob Albert. See "Data change" for further contributors.

All listed radios etc. from General Radio Company; Cambridge (MA)
Here you find 216 models, 197 with images and 84 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.