Vacuum Tube Voltmeter 410C

• Country
• United States of America (USA)

• Manufacturer / Brand
• Hewlett-Packard, (HP); Palo Alto, CA

• Year
• 1963

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 75333

• Picture
• Schematics

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Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 1

• Valves / Tubes
• 12AT7

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Power type and voltage
• Alternating Current supply (AC) / 115; 230 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Vacuum Tube Voltmeter 410C - Hewlett-Packard, HP; Palo Alto

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 130 x 165 x 279 mm / 5.1 x 6.5 x 11 inch

• Notes
• Electronic Voltmeter. DC 15 mV to 1500 V in 15, 50 sequences, 11 ranges; AC 0.5 V to 300 V in 0.5, 1.5 5 sequences 7 ranges; Ohmmeter 10 Ohm to 10 MOhm center scale in 7 ranges; Amplifier Voltage gain 100 max.
  Accessories HP Model 11036A AC probe with Eimac 2-01C UHF diode.
  
  Two versions of 410c exists with different amplifier versions. Early version with 12AT7 tube and chopper assembly and late version with OP amps without tube. Bouth versions have same outside apearance and specs.

• Net weight (2.2 lb = 1 kg)
• 4 kg / 8 lb 13 oz (8.811 lb)

• Literature/Schematics (1)
• -- Original-techn. papers.

• Author
• Model page created by Egon Penker. See "Data change" for further contributors.

• Other Models

• Here you find 362 models, 329 with images and 127 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hewlett-Packard, (HP); Palo Alto, CA