Resolution and Integration Time for DC Measurements

Setting the integration time also sets the measurement resolution. This table shows the relationship between integration time in power line cycles (PLC) and resolution.

Integration Time   Resolution

(34460A)
  Resolution

(34461A)
  Resolution(34465A)   Resolution(34470A)

Power Line Cycles
Aperture
(60 Hz Power)
Aperture
(50 Hz Power)
0.001 PLC1   20 µs1 - - 30 ppm x Range 30 ppm x Range
0.002 PLC1 40 µs1 - - 15 ppm x Range 10 ppm x Range
0.006 PLC1 100 µs1 - - 6 ppm x Range 3 ppm x Range
0.02 PLC (MINimum) 0.3 ms 300 ppm × Range (MAXimum) 100 ppm × Range(MAXimum) 3 ppm x Range 1 ppm x Range
0.06 PLC 1 ms - - 1.5 ppm x Range 0.5 ppm x Range
0.2 PLC 3 ms 100 ppm × Range 10 ppm × Range 0.7 ppm x Range 0.3 ppm x Range
1 PLC 16.7 ms 20 ms 30 ppm × Range 3 ppm × Range 0.3 ppm x Range 0.1 ppm x Range
10 PLC (DEFault) 0.167 s 0.2 s 10 ppm × Range(DEFault) 1 ppm × Range (DEFault) 0.1 ppm x Range 0.03 ppm x Range
100 PLC (MAXimum) 1.67 s 2 s 3 ppm × Range(MINimum) 0.3 ppm × Range (MINimum) 0.03 ppm x Range 0.01 ppm x Range

134465A/70A with DIG option only.