Specifications and Characteristics 11
N1911A/1912A P-Series Power Meters User’s Guide 257
Power Sensors Compatibility
P- Series power meters are compatible with all Agilent P- Series wideband 
power sensors. 
The P- Series power meters also operates with N8480 Series power sensors 
and the existing 8480 Series and E- Series (E4410, E9300, and E9320) 
ranges of power sensors.
1
Meter Uncertainty
Average Power Measurement Accuracy
2
• N1921A:  ≤± 0.2 dB or ±4.5 %
• N1922A: 
≤± 0.3 dB or ±6.7 % 
1
 For specifications when using an 8480, N8480 Series and E-Series sensors (except E9320A 
range), refer to Lit Number 5965-6382E. For specifications when using an E932XA sensors, refer to 
Lit Number 5980-1469E.
2
 Specification is valid over –15 to +20 dBm, and a frequency range 0.5 to 10 GHz, DUT Max. SWR 
< 1.27 for the N1921A, and a frequency range 0.5 to 40 GHz, DUT Max. SWR < 1.2 for the N1922A. 
Averaging set to 32, in Free Run mode.
Instrumentation Linearity
±0.8 %