Keysight N1913B EPM Series Service Manual page 34

1 Specifications and Characteristics
Table 1-5
Power sensor
U2000/1B
[a] Within one hour after zero set, at a constant temperature after a 24-hour warm-up of the power meter.
[b] The number of averages at 16 (for normal mode) and 32 (for x2 mode), at a constant temperature, measured over a
The zero drift and measurement noise specifications are only applicable to
NOTE
Keysight U2000 Series USB power sensors with serial prefixes as shown below:
– U2000A serial prefix MY480/SG480 and above
– U2001A serial prefix MY481/SG481 and above
– U2002A serial prefix MY482/SG482 and above
– U2004A serial prefix MY484/SG484 and above
For power sensors with earlier prefixes, refer to the Keysight U2000 Series
Operating and Service Guide.
34
U2000 Series power sensors specification (continued)
–30 dBm to –5 dBm
one minute interval and two standard deviations. For Keysight E-Series power sensors, the measurement noise is
measured within the low range. Refer to the relevant power sensor manual for further information.
Keysight N1913B/N1914B EPM Series Power Meters Service Guide
Range
–8 dBm to 15 dBm
10 dBm to 21 dBm
19 dBm to 25 dBm
23 dBm to 44 dBm
[a]
Zero drift Measurement
200 nW
400 nW
1.5 µW
50 nW
500 µW
[b]
noise
1 µW
1.5 µW
15 µW
650 µW
1 mW