General Radio Variable Air Capacitor Type 1602-P3

1602-P3
Variable Air Capacitor 12pF-70pF

adjustable dial  GR-connector

open
Solid construction, low inductive design. Mechanical stable, plates and holder made of same or similar materials.

GR-874
Connector GR Type 874. Massive connector, male and female design.

shaft contact
shaft contact

dial reading

plates

Capacitance Measurement

Measuring the Capacitance vs. Dial reading with an 4279A 1MHz C-V Meter

measurement fixture
Capacitance Measurement Fixture compensated to zero. GR-874 to BNC-Adapter approx. 2,5pF.

measurement   
Dial reading scale is nonlinear, numbers doesn`t fit to capacitance values. The original purpose for this nonlinear dial reading is unknown for me.

measurement data


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