Bird Technologies 4527 - Manual (Page 45)

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Service Only Replacement Parts
Bird 4520 Series Thruline Wattmeters
The Bird 4520 RF Thruline Wattmeters (models 4521, 4522, 4526, 4527) are the
same as the Bird 43, except that they are panel mounted for rack installation. In
addition, the Bird 4527 has a RF sampler. These units are intended for fixed
installation, generally in rack mounts requiring 19” panels.
Installation
1. Choose a location allowing easy reading and operation of the unit and
where the cables used will be short and without sharp bends.
Note: Avoid the use of angles and adapters.
2. Make sure all connectors are tightened securely.
3. Use four 12-24 screws to fasten the wattmeter panel to the rack.
Operation
The RF sampler on the Bird 4527 provides a low power sample of main RF signal.
This signal is available at the female BNC connector labeled “RF SAMPLE”. The
sampler output may be fed to any RF signal suitable monitoring device; e.g. a
frequency counter, spectrum analyzer, or oscilloscope.
RPK4431-4 - External Hardware
Kit
8580A003 Handle, Plastic
5-1388 Bumper, Stem Rubber
5-1763 Bumper Ft, Gray Rubber
1120-0820-00 #10-32x1/2 Phil Screws
1118-0614-00 #8-32x3/8 Phil Screws
1138-0813-00 #10-32x1/2 Phil Screws
4431-035 Label, RF Sample
8240-054 Spacer, Strap, Screw
5-1193 Knob, Knurled BLK
923-RPK4431-4 Instruction Sheet
Replacement Part Consists of Description
RP3610-031 3610-031 (5 per) Aluminum Dust Plug
RP2080-002 2080-002 25/50/100W Mater
RP4300-015 4300-015 Molded Turnbutton
RP5-1388 5-1388 Rubber Bumper Stem
Customer Replacement Part Consists of Description