1605-A: Difference between revisions

Revision as of 08:05, 10 March 2024

General Radio 1605-A

impedance comparator General Radio 1605-A Impedance Comparator Available from 1956 to 1968 Manuals General Radio 1605-A Impedance Comparator Manual 933-B 1967 (All manuals in PDF format unless noted otherwise)

The General Radio 1605-A Impedance Comparator was introduced in 1956 Catalog O and remained available through Catalog T 1968.

  Resistance: 2 Ω to 20 MΩ.
  Capacitance: 40 pF to 500 μF.
  Inductance: 20 μh to 10,000 H.

  Impedance Magnitude Difference: ±0.3%, ± 1%, ±3%, ± 1O% full scale.
  Phase Angle Difference: ±0.003, ±0.01, ±0.03, ± 0.1 radian full scale.

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-Type '''1605-A Impedance Comparator'''.
+{{GR Product
+|model=1605-A
+|class=impedance measurement
+|summary=impedance comparator
+|image=GR 1605-A Front.jpg
+|caption=General Radio 1605-A Impedance Comparator
+|series=
+|introduced=1956
+|discontinued=1968
+|designers=
+|manuals=
+* [[Media:GRwiki 1605-A Impedance Comparator 933-B 1967 No OCR.pdf|General Radio 1605-A Impedance Comparator Manual 933-B 1967]]
+}}
+The '''General Radio 1605-A Impedance Comparator''' was introduced in 1956 Catalog O and remained available through Catalog T 1968.
 ==Specifications==
+* '''Impedance Ranges:'''
+   Resistance: 2 Ω to 20 MΩ.
+   Capacitance: 40 pF to 500 μF.
+   Inductance: 20 μh to 10,000 H.
+* '''Internal Oscillator Frequencies:''' 100 Hz, 1 kHz, 10 kHz, 100 kHz.
+* '''Meter Ranges:'''
+   Impedance Magnitude Difference: ±0.3%, ± 1%, ±3%, ± 1O% full scale.
+   Phase Angle Difference: ±0.003, ±0.01, ±0.03, ± 0.1 radian full scale.
+* '''Voltage Across Standard and Unknown: approx. 0.15 V.
 ==Links==
+* [[Media:GR Exp 1605-A 04_1956.pdf|Experimenter describing Type 1605-A April 1956]]
 ==Photos==
 <gallery>
+GR 1605-A Front A.jpg
+GR 1605-A Top B.jpg
+GR 1605-A Top.jpg
+GR 1605-A Bottom.jpg
 </gallery>
 [[Category:Impedance measurement]]