The Advantest TR5840D Universal Counter delivers precision frequency and time-based measurements across dual input channels. Channels A and B measure signals up to 100 MHz, while the dedicated C input extends capability to 1 GHz. The instrument performs frequency, period, pulse width, and phase measurements with high resolution, making it essential for R&D, manufacturing, and calibration environments where measurement accuracy and signal integrity are non-negotiable.
Technical Specifications
Measurement Ranges
• Channels A & B: DC to 100 MHz
• Channel C: DC to 1 GHz
• Measurement parameters: Frequency, Period, Pulse Width, Phase
Signal Compatibility
• Sinusoidal and pulse signals within specified frequency ranges
• BNC input connectors
Operating Environment
• Horizontal operation required
• Minimum 10 cm clearance around air vents for adequate ventilation
• Horizontal storage orientation
– Key Features
• Dual input channels (A/B) for flexible measurement configuration
• High-frequency C input extends measurements to 1 GHz
• Advanced triggering for precise measurement initiation
• High-resolution analysis capability
• Engineered for demanding laboratory and production environments
– Typical Applications
• Frequency and period measurement in component validation
• Phase relationship analysis between signals
• Pulse width characterization
• RF and microwave signal verification
• Production line frequency acceptance testing
– Compatibility & Integration
Standard BNC connectors enable straightforward integration into existing test configurations. The instrument accepts both sinusoidal and pulse waveforms, accommodating diverse signal types common in modern RF and digital applications.

















