BIRD THRULINE 4020 series, Инструкция

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Bird 4421 RF Power Meter
2
Power Sensors
Power sensors are available with a variety of connectors; see Chapter 6 "Avail-
a ble Con n ect or s", pa ge 59 for a com plet e list. Since the accuracy is critically
dependent on the connectors used at calibration, do not remove or change the
connectors.
4020 Series
Bird 4020 Series Power Sensors are designed for lab or field use and are accu-
r a t e t o wit h in ±3%(1 ) of reading.
Figure 1
Bird 4421 Meter
Outline Drawing
1. Oper a t in g P u sh Bu t t on s
2. LCD
3. ON/OF F P u sh Bu t t on
4. H a n dle
5. Cen t r a l Bu t t on
6. F u se Access Door
7. AC Lin e Modu le
8. Ma st er ON /OF F Swit ch
9. GP IB con n ect or
10. GP IB DIP swit ch es
11. RS-232 con n ect or
12. RS-232 DIP swit ch es
13. P ower Sen sor Sock et
REMOVE AC POWER BEFORE
ATTEMPTING TO SERVICE THIS
INSTRUMENT
VOLTAGE 115/230 V
FUSE RATING T630mA/T315mA
FREQUENCY 50/60 Hz
MAXIMUM POWER 60W
AC SUPPLY
ON
O OFF
I
POWER
SENSOR
REAR
6
7
8
9 10
13
12
11
4
5
SIDE
(108 mm)
1 2
3
FRONT
MODEL 4421 RF POWER METER
AUTO
RANGE
UP
DOWN
SWR RFL FWD MIN M AX dBm LIGHT ON / OFF
CAUTION
reduce the maximum power rating of the unit.