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Frequency Time Interval Counter for PXI: Astronics 2461

PXIe-2461

The Astronics PXIe-2461 is a high-performance, 2-channel, universal 235 MHz frequency interval counter. 

Occupying a single PXI Express peripheral slot or hybrid slot, the frequency and time interval/counter (FTIC) offers 12 easy-to-use automatic measurement functions including:

  • Frequency and period
  • Time interval
  • Time interval (delayed) 
  • Rise and fall time
  • Pulse width
  • Duty cycle
  • Frequency ratio (channels 1 to 2 or 2 to 1) 
  • Totalize (manual, by pulse, by cycle, and timed) 
  • Phase


Outstanding Resolution: The Astronics 2461 counter offers frequency measurements up to 235 MHz and up to nine digits of resolution per second. In time interval, the resolution is 1 ns in single-shot mode and 100 ps in average mode. 

High-Voltage Measurement: You can set the Astronics 2461 to measure timing and amplitude characteristics in either of two voltage ranges: ±5.1 V or ±42 V. 

Measurement Timeout: With the programmable measurement timeout, you can optimize system performance where input signals are missing.

This product is available for purchase through National Instruments.