The Agilent/Keysight 403B is an analog AC voltmeter engineered for precision measurement of alternating voltage signals across wide frequency and amplitude ranges. This discontinued instrument operates from 5 Hz to 2 MHz and provides selectable measurement ranges spanning 0.001 V to 300 V, making it suitable for diverse AC voltage characterization tasks in laboratory and field environments.
– Technical Specifications
• Instrument Type: Analog AC Voltmeter
• Frequency Range: 5 Hz to 2 MHz
• Voltage Ranges: 0.001 V to 300 V (selectable)
• Manufacturer Status: Discontinued
– Key Features
• Multi-decade voltage measurement capability from millivolt to three-hundred volt levels
• Extended frequency response spanning five decades from subsonic through RF domains
• Analog display technology for real-time signal observation
• Selectable input ranges for optimized measurement resolution and accuracy across varying signal amplitudes
– Typical Applications
• AC voltage characterization in audio-frequency circuits and subsonic instrumentation
• Low-voltage signal measurement in precision analog systems
• Wideband AC measurements extending into the RF spectrum
• Laboratory bench testing and field troubleshooting of AC-powered equipment
– Compatibility & Integration
As a discontinued product, the 403B may present sourcing constraints. Original documentation and spare components availability should be verified prior to procurement for critical measurement applications. Direct integration with modern digital acquisition systems requires external interface solutions.
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