Heathkit GD 1A Schematic Manual
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Extracted text from Heathkit GD 1A Schematic Manual (Ocr-read)
Page 1
ASSEMBLING
AND USING
YOUR ......
GRID DIP
METER
MODEL GD-IA
HEATH COMPANY
59543 ".'I"' ~
mu "-
Page 2
HEATHKIT GRID DIP METER
MODEL GD-IA
Specifications
Frequency Range 2 to 250 Me
using five coils
Dimensions Length 7", Width 2%",
Depth 35 '
Meter Movement 500 Microampere
Power Supply 11'] Volt, 50-60 Cycle
5 Watts, Transformer
Operated
Page 20
WIRING OF EXPORT ms
110/220 VOLT powm
TRANSFORMERS
These transformers have a dual primary for use on either 110 Volts or 220 Volts.
Wire as shown.
lama: BLACK
sum-61:5
220 VOLT
. 4.4:: ~ mam
SOLDEk
[IOVOLT
BLACKBROWN
ranTl/ER.
BLACK - £50 5 TA FE tum: -£ED
HO VOLT 220 VOLT
Notes
Page I!)