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Model t owers – ORBIT FR Medium Duty Model Towers: AL-48000 Series User Manual

Page 2

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121

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Model T

owers

AL-48210

AL-48110

supplied accessories

>

CD-ROM Documentation Set:

„

User Manual (Installation, Setup, Operation & Maintenance)

>

Cables:

„

Cable Carrier

„

Interconnect Cable for Connection to Lower Positioner

optional accessories

„

Absorber Plates

„

Alignment Fixture Between Roll Positioner & Mast

„

Counterweights (may apply if elevation axis is defi ned)

technical notes

ORDERING INFORMATION

Build your confi guration using the ordering example below.

„

1

Model tower height is defi ned as the distance from

the base of the offset slide to the center of the roll axis.
The height of the model tower assembly will impact
pickup mode
in lower positioners containing an
elevation axis. Defi ne elevation measurement angles
and verify lower positioner specifi cations when
confi guring this product.

„

2

The lower positioner may require electrical wiring

and/or an RF path to support the model tower.
Options are available for the lower positioner,
including EX002, SR, and RJ. Lower positioner
is purchased separately.

„

3

All accuracy data is based on no-load conditions.

Contact ORBIT/FR for accuracy under load conditions.

„

4

Roll axis is equipped with adjustable limit switches

capable of approx 20° up to 900° total travel. When
rotary joint options are specifi ed, limit switches remain
but are electrically disabled. Roll axis is factory-set at
400° (± 200°).

„

5

Rotary joint options may alter the original physical

profi le of the roll axis stage. Consult ORBIT/FR.

„

6

Verify model tower’s total swing radius (G - clearance

to absorber) when specifying this product for use
inside an anechoic chamber.

„

7

Dimensions may vary depending on fi nal confi guration.

„

8

Standard offset slide travel is 24 inches. Other lengths

are available in one foot increments, up to 8 feet.

„

9

For special requirements with space limitations,

the linear offset slide can be provided upside-down
in order to move the mast without moving the slide.

„

10

An optional alignment fi xture can be installed between

the roll axis positioner and mast, with or without a
base riser.

AL-48100 24

96

F

C

560

Model Tower Series

481

xx - Manual

482

xx - Motorized

Total Roll-to-Base

Height (in)

Mast

C - Inclined

V - Vertical

Linear Offset

Slide Travel (in)

Mast Construction

(Fiberglass or Aluminum)

Discrete

Positioner Model*

-

-

-

-

-

* To order with integrated gearhead, leave the end of the part number blank and add GH2 or GH3 as a separate line item.
For GH specs, refer to specifi cation table on page 122.