Agilent Frequency/Time-Interval Counters Product Comparisons

  53131A 53132A 53181A
Type Universal (2 channel)1 RF (1 channel)
Measurements Frequency, frequency ratio, time interval, period, rise/fall time, positive/negative pulse width, duty cycle, phase, totalize, peak voltage, time interval average, time interval delay. Frequency, frequency ratio (with optional channel 2), period, peak voltage
Analysis Automatic limit testing, math (scale and offset), statistics (minimum, maximum, mean, standard deviation)
Frequency range
(optional)
dc to 225 MHz
(3, 5 or 12.4 GHz)
dc to 225 MHz
(3, 5 or 12.4 GHz)
dc to 225 MHz
(1.5, 3, 5 or 12.4 GHz)
Resolution
(frequency, time interval)
10 digits/s, 500 ps 12 digits/s, 150 ps 10 digits/s, N/A
  1. Channel 2 can only be used to make frequency, period, ratio, and voltage measurements - measurements on channel 1 and channel 2 are made sequentially.
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