1803-A: Difference between revisions

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(Created page with "Type '''1803-A Vacuum-Tube Voltmeter'''. ==Specifications== ==Links== ==Photos== <gallery> </gallery> Category:Meters")
 
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Type '''1803-A Vacuum-Tube Voltmeter'''.
{{GR Product
|model=1803-A
|codes=ABOOM
|class=meters
|summary=Vacuum-Tube Voltmeter
|image=GR 1803-A Close-Up.jpg
|caption=General Radio 1803-A Vacuum-Tube Voltmeter
|series=1803
|introduced=1951
|discontinued=1951
|designers=
|manuals=
* [[Media:GR 1803-A AC Voltmeter 714-A.pdf|General Radio 1803-A Vacuum-Tube Voltmeter Manual 714-A]]
{{Catalog History}}
}}
The {{Title|General Radio 1803-A Vacuum-Tube Voltmeter}} was available in {{Catalog M}} only.
 
The Type 1803-A is a AC vacuum tube voltmeter with a range from 0.1 to 150 V<sub>RMS</sub> at frequencies to 100 MHz without corrections.  Except on the lowest range, its peak reading but the scales are calibrated in RMS volts for sinusoidal voltages.  It features hard-wired probe containing dual-diode vacuum tube rectifier. The probe tip is shorted when in the stored position for the zero adjust function. From 20 Hz to about 100 Mhz the accuracy is ±3% but usable up to 200 MHz, refer to the manual.


==Specifications==
==Specifications==
* '''Voltage Range:''' 0.1 to 150 V<sub>RMS</sub>
* '''Accuracy:''' ±3% of full scale on all ranges
* '''Input Impedance:''' 7.7 MΩ at low frequencies, See Manual
* '''Frequency:''' 100 MHz; up to 200 Mhz with corrections


==Links==
==Links==


* [[Media:GR Exp 1803-A 04_1950.pdf|Experimenter April 1950 describing Type 1803-A]]


==Photos==
==Photos==
<gallery>
<gallery>
GR 1803-A Front.jpg
GR 1803-A Left SideGR.jpg
GR 1803-A Rear.jpg
GR 1803-A Case Inside.jpg
GR 1803-A Inside Rear A.jpg
GR 1803-A Inside Rear B.jpg
GR 1803-A Inside Rear.jpg
GR 1803-A Probe Close-Up a.jpg
GR 1803-A Probe Close-Up B.jpg
</gallery>
</gallery>


[[Category:Meters]]
[[Category:Meters]]
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