*. Other calibration frequencies available upon request
ConnectorsCustomer specified from “QC” list, appropriate
for frequency and power.
Operating PowerSupplied by power meter via sensor cable
Sampling Rate, Nominal2 readings / second
Temperature
Operating
Storage
*
0 to 50 °C (32 to 122 ºF)
–20 to +70 °C (–4 to +158 °F)
Humidity, Max95% (non-condensing)
Altitude, Max10,000 ft. (3,000 m)
CECE Compliant. Refer to Declaration of
Conformity for specific standards
Dimensions, Nominal
†
5.2”L x 2.5”W x 3.25”H
(137 x 64 x 83 mm)
Weight, Nominal
†
1 lb. 13 oz. (0.8 kg)
*. Derated accuracy outside 25 ± 5 °C, see Uncertainty Budget
†. Values for units with female “N” connectors
3
Uncertainty Budget
*
4027F2M
Frequency
Error...
Power
Linearity...
Temperature
Uncert...
Calibration Uncertainty± 0.6%± 0.6%± 0.6%
Resolution
Uncert...
Other sources of error± 0.4%± 0.5%± 0.6%
Best Case RSS Uncertainty± 1.0%± 1.0%± 1.0%
*. All values 2σ
†. Resolution uncertainty is error due to limited display digits. Actual
uncertainty can be calculated as:
For a 3.5-digit display, worst case is at 300W. Least significant digit
is one watt, uncertainty is ± 1W out of 300 or 0.34%. For a 4.5-digit
display, least significant digit is 0.1W, so the uncertainty is 0.034%
at cal freq± 0.1%± 0.1%± 0.1%
not at cal freq± 0.5%± 1.5%± 0.5%
at cal power± 0.1%± 0.1%± 0.1%
not at cal power± 1.0%± 0.5%± 1.0%
within 20 to 30°C± 0.65%± 0.6%± 0.5%
outside 20 to 30°C± 3.2%–3.0, +0.75% ± 2.9%
at cal power± 0.06%± 0.06%± 0.06%
†
not at cal power
± (1 in least significant digit) / Reading
± 0.34%± 0.34%± 0.34%
4027F10M
*
4027F60M
*
4
2-1/2”
(64 mm)
3-1/4”
(83 mm)
DIRECTIONAL POWER SENSOR
MODEL 4027F10M
100W – 10kW
12 – 15 MHz
3-3/4”
(95 mm)
3/4”
(19 mm)
1-3/8”
(35 mm)
RF CONNECTORS
(FEMALE N SHOWN)
– CAUTION –
12000 WATTS MAX.
SOURCE
L
OAD
SENSOR PLUG
SOCKET
RUBBER
SHOCK FEET
5
Special Lifetime Warranty –
Series 4027F Power Sensor Head
In addition to its standard warranty, the Bird Electronic Corporation warrants its Series
4027F Thruline® Power Sensor Heads for lifetime to original purchaser. This extended
warranty is against burnout. For the warranty to apply, the Sensor Head must be used
with the correct Bird Electronic Corporation Display Unit, the maximum power rating of
the Sensor must not be exceeded, the Sensor RF circuit must be properly terminated and
the Sensor not subjected to physical abuse.
Bird Electronic Corporation, at its option, will repair or replace the defective Sensor at its
world Headquarters at 30303 Aurora Road, Solon, Ohio 44139.
The customer is responsible to pay transportation charges to return the defective sensor
to Bird.
6
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