4020 Series
Directional Power Sensors
100 kHz to 3 GHz, Sensor Dependent
0.3 W to 10 kW, Sensor Dependent
± 3% of reading, with no more than 1% AM, harmonics -50 dBc or less, terminating VSWR 2:1 or less
4027A Series
Precision Directional Power Sensors
250 kHz to 170 MHz, Sensor Dependent
0.3 W to 10 kW, Sensor Dependent
± 1% at calibration frequencies and power levels
± 2% at other frequencies & power levels
Add 2% to uncertainty outside 25 ± 10°C
4027F Series
Filtered Precision Directional Power Sensors
1.8 MHz to 63 MHz, Sensor Dependent
100 W to 10 kW, Sensor Dependent
±1% at calibration frequencies and power levels
±2 % at other frequency and power levels
Add 2% to uncertainty outside 25 ± 10 °C
4028 Series
High Power Precision Directional Power Sensors
250 kHz to 30 MHz, Sensor Dependent
500 W to 50 kW, Sensor Dependent
± 2.0% (2 σ)
±2% at calibration frequencies and power levels
±3% at other frequency and power levels
Add 2% to uncertainty outside 25 ± 10 °C
Accuracy, RFL
Calculated from Fwd accuracy + (Fwd Power/10^ )
Accuracy, VSWR
Calculated from Fwd and Rfl power (VSWR = [1+Sqrt(Pr/Pf)] / [1-Sqrt(Pr/Pf)]
Accuracy, Outside Calibration Power and Frequency: ± 3.0% (2 σ)
4421B540-2
Interface Module
100 KHz to 3 GHz , Sensor Dependent
100 mW to 25 kW FS, Sensor Dependent
N/A
