1808: Difference between revisions
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|model=1808 | |model=1808 | ||
|class=meters | |class=meters | ||
|summary= | |summary=AC Millivoltmeter | ||
|image=GR 1808-A Front Close-Up.jpg | |image=GR 1808-A Front Close-Up.jpg | ||
|caption=General Radio 1808 AC | |caption=General Radio 1808 AC Millivoltmeter | ||
|introduced=1970 | |introduced=1970 | ||
|discontinued=1970 | |discontinued=1970 | ||
|designers= | |designers= | ||
|manuals= | |manuals= | ||
* [[Media:GRwiki 1808 AC Milivoltmeter 8608-0100-A 1970.pdf|General Radio 1808 AC | * [[Media:GRwiki 1808 AC Milivoltmeter 8608-0100-A 1970.pdf|General Radio 1808 AC Millivoltmeter 1808-0100-A 1970]] | ||
{{Catalog History}} | |||
}} | }} | ||
The | The {{Title|General Radio 1808 AC Millivoltmeter}} was only available in {{Catalog U}}. | ||
The Type 1808 is a solid-state, average-reading voltmeter calibrated to read the RMS value of sine waves. | |||
It has a frequency response from 10 Hz to 10 MHz, six ranges at 20 dB intervals, and a DC output that can be used to drive a recorder. | |||
==Specifications== | ==Specifications== | ||
* '''Range:''' | * '''Range:''' 150 mV<sub>RMS</sub> to 150 V<sub>RMS</sub> in six 20-dB ranges | ||
* '''Input Impedance:''' 10 MΩ at 1O pF except 12.5 MΩ on 15 V and | * '''Input Impedance:''' 10 MΩ at 1O pF except 12.5 MΩ on 15 V and 150 V ranges | ||
* '''Accuracy:''' 1% basic accuracy | * '''Accuracy:''' 1% basic accuracy | ||
* '''Bandwidth:''' 10 Hz to 10 MHz | * '''Bandwidth:''' 10 Hz to 10 MHz | ||
==Links== | ==Links== | ||
* [[Media:GR Exp 1808 11_1969.pdf|Experimenter describing Type 1808 | * [[Media:GR Exp 1808 11_1969.pdf|Experimenter November 1970 describing Type 1808]] | ||
==Photos== | ==Photos== | ||
Latest revision as of 03:20, 9 September 2024
The General Radio 1808 AC Millivoltmeter was only available in Catalog U (1970).
The Type 1808 is a solid-state, average-reading voltmeter calibrated to read the RMS value of sine waves. It has a frequency response from 10 Hz to 10 MHz, six ranges at 20 dB intervals, and a DC output that can be used to drive a recorder.
Specifications
- Range: 150 mVRMS to 150 VRMS in six 20-dB ranges
- Input Impedance: 10 MΩ at 1O pF except 12.5 MΩ on 15 V and 150 V ranges
- Accuracy: 1% basic accuracy
- Bandwidth: 10 Hz to 10 MHz
