Specifications
Power Meter Supplemental Characteristics
5-8 Agilent E4419B User’s Guide
Table 5-3:  Power Sensor Specifications±
Power Sensor Zero Drift
1
1. Within 1 hour after zero set, at a constant temperature, after a 24 hour 
warm-up of the power meter.
Measurement Noise
2
2. The number of averages at 16 (for normal mode) and 32 (for x2 mode), at 
a constant temperature, measured over a 1 minute interval and 2 standard 
deviations. For Agilent E-series power sensors the measurement noise is 
measured within the low range. Refer to the relevant power sensor manual 
for further information.
Agilent 8481A <±10 nW <110 nW
Agilent 8481B <±10 µW <110 µW
Agilent 8481D <±4pW <45 pW
Agilent 8481H <±1 µW <10 µW
Agilent 8482A <±10 nW <110 nW
Agilent 8482B <±10 µW <110 µW
Agilent 8482H <±1 µW <10 µW
Agilent 8483A <±10 nW <110 nW
Agilent 8485A <±10 nW <110 nW
Agilent 8485D <±4pW <45 pW
Agilent R8486A <±10 nW <110 nW
Agilent R8486D <±6pW <65 pW
Agilent Q8486A <±10 nW <110 nW
Agilent Q8486D <±6pW <65 pW
Agilent V8486A <±40 nW <450 nW
Agilent W8486A <±40 nW <450 nW
Agilent 8487A <±10 nW <110 nW
Agilent 8487D <±4pW <45 pW
Agilent ECP-E18A <± 15 pW  <70 pW
Agilent ECP-E26A <± 15 pW <70 pW
HP4402.book  Page 8  Thursday, November 30, 2000  1:39 PM