Bird Technologies MSCC7 Series-Manual - Manual (Page 31)

Maintenance
17
Bird 4027A Series RF Power Sensors
CAUTION
Changing the sensor’s connectors will invalidate calibration data, and may
reduce the maximum power rating of the unit.
Frequency Range
4027A250K
4027A400K
4027A800K
4027A2M
4027A4M
4027A10M 250 – 400 kHz
400 – 550 kHz
800 – 950 kHz
1.5 – 2.5 MHz
3 – 5 MHz
10 – 15 MHz 4027A12M
4027A25M 10 – 15 MHz
25 – 30 MHz
RF Power Range
4027A12M
4027A25M 300 mW – 1 kW
3 W – 9 kW All other models 3 W – 10 kW
Accuracy, Fwd, Best Case *
* For rated accuracy, no more than 1% AM; Harmonics –50 dBc or less
Derate accuracy by 1% (1 σ ) outside cal. power or cal. frequency
Derate accuracy by 1% (1 σ ) below 15 °C and above 35 °C
± 1.0% (1 σ )
Calibration Frequencies, Typical (MHz) †
† Other calibration frequencies available upon request
4027A250K
4027A400K
4027A800K
4027A2M
4027A4M
4027A10M 0.25, 0.40
0.40
0.90
1.8, 2.0, 2.17
4.0, 5.0
10.0, 13.56, 15.0 4027A12M
4027A25M 10.0, 13.56, 15.0
25.76, 27.12, 28.48
Calibration Power, Typical
4027A12M
All other models 700 W
1.7 kW
VSWR, Max. 1.05:1
Insertion Loss, Max. 0.05 dB (with female “N” connectors)
Directivity, Min.
4027A12M
All other models 30 dB
28 dB