HP EPM-441A User Manual page 144

Specifications
Power Meter Supplemental Characteristics
Table 5-3: Power Sensor Specifications
Power Sensor
HP 8481A
HP 8481B
HP 8481D
HP 8481H
HP 8482A
HP 8482B
HP 8482H
HP 8483A
HP 8485A
HP 8485D
HP R8486A
HP R8486D
HP Q8486A
HP Q8486D
HP W8486A
HP 8487A
HP 8487D
HP ECP-E18A
HP ECP-E26A
1. Within 1 hour after zero set, at a constant temperature, after a 24
hour warm-up of the power meter.
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 HP ECP-series power sensors the
measurement noise is measured within the low range. Refer to the
relevant power sensor manual for further information.
5-8
1
Zero Drift Measurement Noise
< ±10 nW
< ±10 µW
< ±4 pW
< ±1 µW
< ±10 nW
< ±10 µW
< ±1 µW
< ±10 nW
< ±10 nW
< ±4 pW
< ±10 nW
< ±6 pW
< ±10 nW
< ±6 pW
< ±40 nW
< ±10 nW
< ±4 pW
<± 15 pW
<± 15 pW
HP EPM-441A User's Guide
2
< 110 nW
< 110 µW
< 45 pW
< 10 µW
< 110 nW
< 110 µW
< 10 µW
< 110 nW
< 110 nW
< 45 pW
< 110 nW
< 65 pW
< 110 nW
< 65 pW
< 450 nW
< 110 nW
< 45 pW
< 70 pW
< 70 pW