Literature - Keysight Technologies N77 Series User Manual

Literature

Keysight N77xx Series
Total uncertainty
The maximum relative difference U between measured (displayed)
power M and actual (true) power P for a specified set of operating
conditions, expressed in percent. Powers expressed in Watts. Excluding
"Noise pp (dark)" (see,
(dark)" (see, "Drift (dark)" on page
U = 100% * (M/P - 1)
Conditions: Operating conditions as specified. Other conditions as
specified.
Transition speed
Specifies the settable attenuation change rate of the attenuator.
Uncertainty at reference conditions
The maximum relative difference U between measured (displayed)
power M and actual (true) power P for the specified set of reference
conditions, expressed in percent. Powers expressed in Watts.
U = 100% * (M/P - 1)
Conditions: Reference conditions as specified.
Wavelength range
The range of wavelengths for which the power meter is calibrated, or
that can be set at the attenuator and for which the specifications apply
(if not differently stated).
Warm-up time
Time after power-up of the acclimated instrument after which the
specifications and characteristics apply.
1 Fiber Optic Test and Measurement, Hewlett Packard Professional
Books, edited by Prentice Hall, ISBN 0-13-534330-5
"Noise pp (dark)" on page
61).
Specifications and Regulations
Compliance 3
63) and "Drift
71