Keysight offers a variety of compatible replacements for your frequency counter/timer needs. The new 53200A Series of Counters are functional equivalents if not better than the previous generation counter family with vastly improved performance and usability. They include “53100 Emulation Mode” enabling 53100 Series Standard Commands for Programmable Instruments (SCPI).

For more information about replacement products, please visit the web pages and related literature links below or contact your local Keysight Technologies sales representative.

Quick Reference Product Replacement Guide

Transitioning from the 53131A, 53132A or 53181A to the 53200 Series RF and Universal Frequency Counter/Timers

53131A, 53132A, 53181A Counters/Timers
If you currently use/order these base models:
NEW 53200A Series Frequency Counter/Timers
Now – order this model:
53181A 225 MHz RF Counter (10 digits/s)
1 channel with optional 2nd microwave channel
53210A 350 MHz RF Frequency Counter (10 digits/s)
1 channel with optional 2nd microwave channel
53131A 225 MHz Universal Counter (10 digits/s, 500 ps)
2 channels with optional 3rd microwave channel
53220A 350 MHz Universal Counter (12 digit/sec, 100 ps)
2 channels with optional 3rd microwave channel
53132A 225 MHz Universal Counter (12 digits/s, 150 ps)
2 channels with optional 3rd microwave channel
53220A 350 MHz Universal Frequency Counter/Timer (12 digits/s, 100 ps) or
53230A 350 MHz Universal Frequency Counter/Timer (12 digits/s, 20 ps)
2 channels with optional 3rd microwave channel

NOTE: For frequency counter option replacement information and additional migration details, please refer to the RF and Universal Counter/Timers Migration Guide.