Bird Technologies SCC7 Series-Manual User Manual
Page 38

24
Specifications Common to all Sensors
Bird 4020 Series RF Power Sensors
Impedance, Nominal
50 ohms
Max. Allowable Terminating
VSWR
2.00:1
Calibration Technique
Frequency-specific calibration factors stored in
nonvolatile memory in each sensor.
Sensor output corrected for frequency and
temperature within specified ranges.
Calibration Cycle, Nominal
1 year
Accuracy, Reflected
Calculated from FWD accuracy and FWD power
Accuracy, VSWR
Calculated from FWD and RFL power
Sampling Rate, Nominal
2 readings/second
Operating Power
Supplied by power meter via sensor cable
Connectors
4028B10M
4028A Series
All other models
1-5/8” EIA Flanged
7-16 DIN, LC, HN, or 7/8”
Customer specified from QC list, appropriate for
frequency and power.
CE
CE Compliant. Refer to Declaration of Conformity for
specific standards.
Humidity, Max.
95% (noncondensing)
Altitude, Max.
10,000 feet (3,000 m)
Temperature Range
Operating
Storage
0 to 50 °C (32 to 122 °F)
–20 to +70 °C (–4 to +158 °F)
Dimensions
4028B10M
4028A Series
All other models
6.75”L x 3.5”W x 4.75”H (175 x 89 x 121 mm)
4.7”L x 3.2”W x 3.8”H (120 x 82 x 97mm)
5.2”L x 2.5”W x 3.25”H (137 x 64 x 83 mm)
Weight, Nominal
4028B10M
4028A2M, 3M, 4M,
10M,
and 25M
All other models
5 lb. 2 oz. (2.33 kg)
3 lb. 5 oz. (1.5 kg)
1 lb. 13 oz. (0.8 kg)
RF Power Range
4021, 4022
4024, 4025
300 mW – 1 kW
3 W – 10 kW
Frequency Range
4021
4022
4024
4025
1.8 – 32 MHz
25 MHz – 1 GHz
1.5 – 32 MHz
100 kHz – 2.5 MHz
Accuracy, Fwd, Best Case
*
± 3% (1
)
VSWR, Max.
4021, 4024, 4025
4022
1.05:1
1.05:1, 25 – 512 MHz / 1.10:1, 512 MHz – 1 GHz
RFL Accuracy
FWD Accuracy
FWD Power
10
Directivity 10
/
---------------------------------
+
=
VSWR
1
P
R
P
F
------
+
1
P
R
P
F
------
–
=