Zero Drift And Measurement Noise; Table 2-12 Zero Drift And Measurement Noise - Keysight Technologies E9320 Series Operating And Service Manual

2 Specifications and Characteristics

Zero drift and measurement noise

Table 2-12
[a] Within 1 hour after zero set, at a constant temperature, after a 24 hour warm-up of the power meter.
[b] Measured over a one minute interval, at a constant temperature, two standard deviations, with averaging set to
[c] In Free run acquisition mode.
[d] Noise per sample, video bandwidth set to OFF with no averaging (i.e., averaging set to 1) - see
36
Zero drift and measurement noise
Zero drift
Sensor
Normal
mode
E9321A
< ±5 nW
E9325A
E9322A
<
±5 nW
E9326A
E9323A
<
±40 nW
E9327A
1 (normal mode), 16 (for average-only mode, normal speed) and 32 (average-only mode, x2 speed).
bandwidth setting: and Table
[a]
Average-onl y
mode
< ±60 pW
<
±100 pW
<
±100 pW
2-14.
Keysight E9320 Operating and Service Guide
Measurement noise
Normal Normal
[c] [d]
mode mode
< 6 nW < 75 nW
< <
12 nW 180 nW
< <
25 nW 550 nW
[b]
Average-onl y
mode
< 165 pW
<
330 pW
<
400 pW
Effect of video