Hewlett-Packard 3400A RMS Voltmeter Operating and Service Manual

The Hewlett-Packard 3400A is a versatile RMS Voltmeter designed to measure the actual root-means-square (RMS) value of AC voltages between 100 microvolts and 300 volts. Its frequency range spans from 10 Hz to 10 MHz, making it suitable for a variety of applications. The 3400A boasts a crest factor rating of 10:1, allowing it to accurately measure nonsinusoidal waveforms with high crest factors. Additionally, it offers a DC output proportional to the front panel meter reading, enabling its use as an RMS AC-to-DC converter.

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Hewlett-Packard 3400A RMS Voltmeter Operating and Service Manual | Manualzz

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Key features

  • Measures RMS value of AC voltages
  • Frequency range: 10 Hz to 10 MHz
  • Crest factor rating: 10:1
  • Accuracy: ±1% from 50 Hz to 1 MHz
  • Provides a DC output
  • 12 voltage or decibel ranges
  • AC overload protection
  • Maximum DC input: 600V
  • Response time: <5 seconds
  • Output noise: < 1 mV RMS

Frequently asked questions

The frequency range is from 10 Hz to 10 MHz, as stated in the viewed document.

The crest factor rating of the Hewlett-Packard 3400A RMS Voltmeter is 10:1. This rating allows full scale readings for pulses with a 1% duty cycle, as described in the viewed document.

The specified full-scale accuracy is ±1% from 50 Hz to 1 MHz, ±2% from 1 MHz to 2 MHz, ±3% from 2 MHz to 3 MHz, and ±5% from 10 Hz to 50 Hz and 3 MHz to 10 MHz, as stated in the viewed document.

The Hewlett-Packard 3400A provides a DC output which is proportional to the front panel meter reading. This voltage can be used to drive auxiliary equipment, effectively functioning as an RMS AC-to-DC converter, as described in the viewed document.

The Hewlett-Packard 3400A RMS Voltmeter can be operated from any AC source of 115- or 230- volts (+ 10%), at 48 to 440 cycles, according to the viewed document.
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