1604-B: Difference between revisions
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(Created page with "Type '''1604-B Comparison Bridge'''. ==Specifications== ==Links== ==Photos== <gallery> </gallery> Category:Impedance measurement") |
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{{GR Product | |||
|model=1604-B | |||
|class=impedance measurement | |||
|summary=comparison bridge | |||
|image=GR 1604-B Front.jpg | |||
|caption=General Radio 1604-B Comparison Bridge | |||
|series= | |||
|introduced=1954 | |||
|discontinued=1956 | |||
|designers= | |||
|manuals= | |||
* [[Media:GR 1604-B Impedance Comparison Bridge 790-B 1956.pdf|General Radio 1604-B Impedance Comparison Bridge 790-B 1956]] | |||
}} | |||
The '''General Radio 1604-B Comparison Bridge''' was introduced in 1954 Catalog N and remained available through Catalog O 1956. | |||
==Specifications== | ==Specifications== | ||
* '''Deviation Range:''' Impedance difference, ±5% and ±20%, switched. Disipation factor difference, ±.006 at 400 Hz. ±.015 at 1 kHz. ±.075 at 5 kHz. | |||
* '''Test Frequency:''' 400 Hz, 1 kHz, and 5 kHz; The frequency is within ±3% of the nominal value. | |||
* '''Voltage Applied to Unknown:''' Approximately one volt, for impedances above 500 Ω. For lower values of impedance the voltage is decreased. | |||
==Links== | ==Links== | ||
* [[Media:GRwiki Exp 1604-A 12_1952.pdf|Experimenter describing Type 1604-A December 1952]] | |||
* [[Media:GRwiki Exp 1604-B 02_1954.pdf|Experimenter describing Type 1604-B February 1954]] | |||
==Photos== | ==Photos== | ||
<gallery> | <gallery> | ||
GR 1604-B Front.jpg | |||
GR 1604-B Side.jpg | |||
GR 1604-B Bottom Inside.jpg | |||
GR 1604-B Bottom Inside B.jpg | |||
GR 1604-B Inside wo_shield.jpg | |||
GR 1604-B Top Inside B.jpg | |||
GR 1604-B Top Inside CRT 2AP1.jpg | |||
</gallery> | </gallery> | ||
[[Category:Impedance measurement]] | [[Category:Impedance measurement]] | ||
Revision as of 23:59, 6 March 2024
The General Radio 1604-B Comparison Bridge was introduced in 1954 Catalog N and remained available through Catalog O 1956.
Specifications
- Deviation Range: Impedance difference, ±5% and ±20%, switched. Disipation factor difference, ±.006 at 400 Hz. ±.015 at 1 kHz. ±.075 at 5 kHz.
- Test Frequency: 400 Hz, 1 kHz, and 5 kHz; The frequency is within ±3% of the nominal value.
- Voltage Applied to Unknown: Approximately one volt, for impedances above 500 Ω. For lower values of impedance the voltage is decreased.
