Ludlum Measurements 4525-7000 User manual

Ludlum Model
4525-7000
4525-10500
4525-14000
Generation 5 Installation Manual
October 2023

Page 2of 44
Statement of Warranty
Ludlum Measurements, Inc. warrants the portal monitor covered in this manual to be free of defects due to
workmanship, material, and design for a period of 24 months from the date of delivery. The calibration of a
product is warranted to be within its specified accuracy limits at the time of shipment. Accessories such as
computers, Universal Power Supplies (UPSs), cameras, network equipment, etc., are warranted by the
individual manufacturer, and are not covered by Ludlum Measurements.
This warranty excludes the replacement of instruments, detectors, or parts that are broken due to excessive
physical abuse, acts of nature such as lightening, or used for purposes other than intended. Warranty claims
requiring an onsite technician will cover labor and parts only. All related travel expenses such as airline fees,
meals and incidentals, and lodging are to be paid for by the customer and are not covered by the warranty.
There are no warranties, express or implied, including without limitation any warranty of merchantability or
fitness, which extend beyond the description of the face thereof. If the product does not perform as warranted
herein, the purchaser’s sole remedy shall be repair, recalibration, or replacement, at the discretion of Ludlum
Measurements. In no event will Ludlum Measurements be liable for damages, lost revenue, lost wages, or
any other incidental or consequential damages, arising from the purchase, use, or inability to use product.
Return of Goods to Manufacturer
If equipment needs to be returned to Ludlum Measurements, Inc. for repair or calibration, please send to
the address below. All shipments should include documentation containing return shipping address,
customer name, telephone number, description of service requested, and all other necessary information.
Your cooperation will expedite the return of your equipment.
Ludlum Measurements, INC.
ATTN: Radiation Security Division
404 W. 4th St.
Sweetwater, TX 79556
Contact Information
Phone: [phone] (US, CA)
Fax: [phone]
Free Gate Monitor Support
Monday –Friday 8:00 AM –5:00 PM CT
1-800-622-0828 (US, CA)
24 Hours
1-800-717-9506

Page 3of 44
Table of Contents
Section 1 - Packaging _______________________________________________________________ 4
Model 4525-7000 __________________________________________________________________________5
Model 4525-10500 _________________________________________________________________________5
Model 4525-14000 _________________________________________________________________________6
Section 2 - Installation _______________________________________________________________ 7
System Buffer Zone ________________________________________________________________________8
Location of Detector 1 and Control Box _____________________________________________________8
Anchoring the Stands ______________________________________________________________________9
Anchor Bolts and Pattern _________________________________________________________________________9
Leveling the Stands _______________________________________________________________________10
Lifting the Stands__________________________________________________________________________11
Squaring the Stands_______________________________________________________________________12
Mounting the Control Box _________________________________________________________________13
Mounting the Remote _____________________________________________________________________13
Mounting the Wall Mounted Computer Kit __________________________________________________13
Wiring and Conduit _______________________________________________________________________13
AC Power Requirements _________________________________________________________________________13
Over Pull for Termination _________________________________________________________________________13
Conduit Requirements___________________________________________________________________________14
Cable Block Diagrams___________________________________________________________________________14
Section 3 –Checklist and Photos for Technician ______________________________________ 15
Installation Checklist______________________________________________________________________15
Photo Requirements ______________________________________________________________________16
Section 4 - Drawings & Diagrams ____________________________________________________ 17

Page 4of 44
Section 1 - Packaging
Remove the cardboard and shrink wrap from the pallet (if used) and safely lift each item
on the pallet. Items on the pallet may be secured using metal or plastic strapping. Use
caution, as the strapping may be under tension and can cause injury when cut.
If packed in a crate, remove lid and at least one long side and one short side. Remove all
small items and store in a safe dry place. Safely lift each item one at a time from the crate.
If the items received will not be installed right away, ensure that the pallets or crates are
stored in a dry space as they may contain sensitive electronics that are susceptible to
damage until properly installed.
An envelope containing important information such as calibration certificates, packing
slips, pre-shipment checklist, etc., will be located either in, or attached to the surface of,
the shipment. Remove the envelope and store in a safe place.
Using the provided pre-shipment checklist, ensure all marked items are accounted for. In
the event of a missing item, contact your sales representative immediately to report it and
remediate the issues.

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Model 4525-7000
Without Stands
The system is shipped in one large wooden crate with two detector assemblies containing
all accessories, hardware, and options inside the crate.
The total shipping weight is approximately 680 kg (1500 lb).
With Stands
The system is shipped on two large wooden pallets. Each pallet will contain one stand and
one detector assembly with some accessories already attached. Other accessories,
hardware, and options may also be located loosely inside the stands. At times, a separate
smaller crate will be used to ship accessories ordered with the system.
The total shipping weight is approximately 1905 kg (4200 lb) (includes stand).
Model 4525-10500
Without Stands
The system is shipped in one large wooden crate with three detector assemblies containing
all accessories, hardware, and options inside the crate.
The total shipping weight is approximately 907.2 kg (2000 lb).
With Stands
The system is shipped on two large wooden pallets with larger pallet containing the
overhead frame assembly. Each pallet will contain one stand and one detector assembly
with some accessories already attached. Other accessories, hardware, and options may also
be located loosely inside the stands. At times, a separate smaller crate will be used to ship
accessories ordered with the system.
The total shipping weight is approximately 3719 kg (8200 lb).

Page 6of 44
Model 4525-14000
Without Stands
The system is shipped in two large wooden crates with two detector assemblies in each
containing all accessories, hardware, and options inside the crate.
The total shipping weight is approximately 1360 kg (3000 lb).
With Stands (Horizontal Configuration)
The system is shipped on two large wooden pallets. Each pallet will contain one stand and
two detector assemblies with some accessories already attached. Other accessories,
hardware, and options may also be located loosely inside the stands. At times, a separate
smaller crate will be used to ship accessories ordered with the system.
The total shipping weight is approximately 3810 kg (8400 lb).
With Stands (Vertical Configuration)
The system is shipped on four large wooden pallets. Each pallet will contain one stand and
one detector assembly with some accessories already attached. Other accessories,
hardware, and options may also be located loosely inside the stands. At times, a separate
smaller crate will be used to ship accessories ordered with the system.
The total shipping weight is approximately 3810 kg (8400 lb).

Page 7of 44
Section 2 - Installation
This section is intended to outline the standard installation of a system and does not cover
actual termination of cables, which is normally performed by Ludlum Measurements, Inc.
(LMI) field service technicians.
The following drawings are provided to facilitate the process in preparing your site for
installation.
Block Diagrams:
517 X 683, 517 X 683A
Model 4525-7000:
517 x 692, 517 X 692A, 517 X 692B, 517 X 692C, 517 X 692D
Model 4525-10500:
517 X 693, 517 X 693A, 517 X 693B, 517 X 693C
Model 4525-14000 (Horizontal):
517 X 695, 517 X 695A, 517 X 695B, 517 X 695C, 517 X 695D
Model 4525-14000 (Vertical):
517 X 694, 517 X 694A, 517 X 562B, 517 X562C

Page 8of 44
System Buffer Zone
For best operation, locate the stands in an area where a 3 m (10 ft) buffer zone can be
maintained around the detectors. Typically, the stands are mounted about 3 m (10 ft)
before the weigh scale and never between the start and end of the scale. It is important
that vehicles stay out of this buffer zone except when they are moving slowly between the
detectors. Placing a stop sign at the entrance to this buffer zone is highly recommended.
See Drawings listed below for an aerial view showing the buffer zone.
Model 4525-7000: Drawing 517 x 692B
Model 4525-10500: Drawing 517 x 693B
Model 4525-14000 (Horizontal): Drawing 517 x 695B
Model 4525-14000 (Vertical): Drawing 517 x 692B
Failure to correctly locate the system or failure to enforce the buffer zone may result in
more frequent false alarms. These false alarms are caused by the system having an
incorrect measurement of the true background radiation level before the system is
triggered into check mode.
Location of Detector 1 and Control Box
The back of the stand for detector 1 is the default mounting location for the control box.
Detector 1 should go on the side with the four conduits coming out of the pad. See figure
below for layout example. Systems with three or more detectors will follow the same rule.
To facilitate ease of installation, it is recommended that detector 1 and the control box be
on the side nearest to the location of the monitoring office.
*For representational purposes only. Not drawn to scale.

Page 9of 44
Anchoring the Stands
Anchor Bolts and Pattern
For anchor bolt specifications, see Drawing 511 x 836. Due to the close tolerances of the
anchor bolt holes, the anchor bolts must be placed according to the dimensions specified
on the Anchor Bolt Template drawings.
Model 4525-7000: Drawing 511 × 461, 517 x 677
Model 4525-10500: Drawing 511 × 449
Model 4525-14000 (Horizontal): Drawing 384 × 882
Model 4525-14000 (Vertical): Drawing 511 × 461
The anchor bolts should protrude from the concrete from 10 to 12.7 cm (4 to 5 in.).
Note:
LMI recommends the use of an anchor bolt template to ensure the anchor bolts are
placed in the exact locations for your system. These are available to purchase, including
anchor bolt hardware kits, to facilitate installation.
If a template is used, the notch on the template should be placed toward the center of the
lane. The anchor bolt holes are a tight tolerance fit for the ¾-inch anchor bolt; therefore,
care must be taken when the anchor bolts are placed in the concrete. Double-nut the
anchor bolt to the template before the concrete cures to ensure proper anchor-bolt
alignment.

Page 10 of 44
Leveling the Stands
Once the concrete has cured and all the bolts are straight, the mounting points will need
to be leveled. Shims may be used, but the proper method of using leveling nuts is highly
recommended as described below.
Run a set of leveling nuts on the bolts as low as allowable (one nut per bolt). If the
templates were purchased, place the flat template through the bolts onto the leveling nuts.
Start leveling from the highest nut, using a 0.61 m (2 ft) (or larger) level in the pattern as
demonstrated in the below figures. The stands should be level and plumb within 0.17 cm
(1/16 of an inch) over a 0.61 m (2 ft) distance.