3 53220A/53230A Measurements
98 Keysight 53220A/53230A User’s Guide
resolution (all channels): 1.0E-15 * expected to 1.0E-5* expected 
(default resolution corresponds to a 0.1s gate time)
– channel is counter channel 1, 2, or 3 specified as (@1), (@2), or (@3).
Period measurement examples
// using MEASure? - measure the period of a 100 ns (10 MHz) 
// signal with 12-digit resolution
*RST  // reset to start from known state
MEAS:PER? 100E-9, 1E-12, (@1)
----------------------------------------------------------
// using CONFigure - measure the period of a 100 ns (10 MHz) 
// signal with 12-digit resolution
*RST    // reset to start from known state
SYST:TIM 1.0  // 1s measurement timeout (per meas)
CONF:FREQ 100E-9, 1E-12, (@1)
 SAMP:COUN 10  // take 10 readings
READ?
Notes
1 See Chapter 5 for information on triggering and number of readings per 
trigger (sample count).
2 See Chapter 4 for additional information on counter threshold levels and on 
configuring the input signal path.