AMERITRON ADL-2500 User manual

ADL-2500 Dry Dummy Load Instruction Manual
1
ADL-2500
2500 Watts Dry Dummy Load
AMERITRON's Dry Fan Cooled Dummy Load simulates an accurate 50 Ohm antenna up
to 54 MHz, enabling you to test your transmitter without radiating a signal on the air.
•DC to 54 MHz.
•Simulates a matched 50 Ohm antenna to test your transmitter.
•Handles short-term RF power up to 2500 watts
•VSWR of less than 1.3:1 at 30 MHz.
•Power Dissipation: 2500 watts average - up to 1 minute maximum.
Fan must be used at high power levels.
•Duty Cycle: 10% with fan.
•Voltage Gradient: 10 kV per inch.
•Resistor Type: Dispersed carbon particles fired in a ceramic matrix.
•Energy Density: 7000 J / inch3/ second.
•Compact and lightweight.

ADL-2500 Dry Dummy Load Instruction Manual
2
BEFORE USING YOUR ADL-2500 DUMMY LOAD, INSTALL THE FOUR (4)
RESISTORS FOUND IN THE SHIPPING CARTON !
INSTALLATION PROCEDURE
1. Remove the top cover.
2. CAREFULLY unwrap the resistors.
Note:The resistors are made of a fragile ceramic material--use caution when
handling.
3. Install the resistors into clips as shown in Figures 1 and 2 above. Hold the resistor in
the middle and press it firmly and evenly into its clip. Insert the middle resistors first.
4. Replace the cover noting the position of the connector identification on top.
TECHNICAL ASSISTANCE
If you have any problem with this unit first check the appropriate section of this manual.
If the manual does not reference your problem or your problem is not solved by reading
the manual you may call AMERITRON at 601-323-8211. You will be best helped if you
have your unit, manual and all information on your station handy so you can answer any
questions the technicians may ask.
You can also send questions by mail to AMERITRON, 116 Willow Road, Starkville, MS
39759 or by FAX to 601-323-6551. Send a complete description of your problem, an
explanation of exactly how you are using your unit, and a complete description of your
station.