1654

General Radio 1654

impedance comparator General Radio 1654 Impedance Comparator Available from 1970 to 1978+ Manuals General Radio 1654 Impedance Comparator Manual 1654-0100-A 1969 (All manuals in PDF format unless noted otherwise)

The General Radio 1654 Impedance Comparator was introduced in 1970 Catalog U and remained available through Catalog 1978.

Specifications

Impedance Range: See Manual.
Frequencies: Internal only 100 Hz, 1, 10, and 100 kHz, ±1%.
Accuracy: 3% of full scale.
Resolution: Meter, 0.003% and 0.00003 radian. Analog-voltage output, 0.001% and 0.00001 radian.
Voltage Across Standard and Unknown: 0.3, 1, or 3 V selected by front-panel control.