1803-A: Difference between revisions

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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]]

Revision as of 01:05, 24 May 2024

General Radio 1803-A
Vacuum-Tube Voltmeter
General Radio 1803-A Vacuum-Tube Voltmeter

Available from 1951 to 1951

Manuals
Catalog History
 Document Year Page
Catalog M 1951 172
(All manuals in PDF format unless noted otherwise)

The General Radio 1803-A Vacuum-Tube Voltmeter was available in Catalog M (1951) only.

The Type 1803-A is a AC vacuum tube voltmeter with a range from 0.1 to 150 VRMS 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

  • Voltage Range: 0.1 to 150 VRMS
  • 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

Photos