Ludlum Model
54
Small
Article Radiation Contamination Monitor

Features
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Monitors Tools and Small Articles for Radiation
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True 4 pi counting geometry for optimized homogenous efficiency
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QPASS counting technology for shorter counting cycles
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Large 12.1" color LCD with touch screen interface
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User-selectable operating modes
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Auto
calibration routine
Introduction
Automating routine contamination frisking using
instruments like Ludlum's Small Article Radiation Monitor is a well proven methodology
for ensuring items leaving controlled areas are clean. Ludlum's new Model
54 has adopted time-tested and proven concepts gathered from throughout the
industry and integrated it into a new ground-up design that employs the
latest computer and detector technologies. The result is a more robust,
user-friendly and cost-effective design than those currently available.
Central
to the design is the detector chamber which is configured to deliver the
largest and most sensitive detection volume
presently available for this type of monitor. The specially designed large
area, 2" thick plastic scintillator radiation detectors are arranged to optimize the
sensitivity throughout the chamber. A stainless steel liner protects the
detectors while facilitating decon. The chamber can be configured with
either 4 or 6 radiation detectors and either 1" or 2" of lead. The lead is shipped
separately and easily loaded on site.
The
Model 54 comes equipped with two doors which can be mounted with either a
left or right-hand swing. This is accomplished using hardened steel door
hinges which are securely bolted to the instrument frame and employ
ball-bearings that make operating the doors as easy as possible. Solenoid
activated door locks may be configured by the user to support logistics for
single or pass-through type operation.
Ludlum's new QPASS algorithms provide a means whereby
administrators can optimize the settings best suited for their operations.
QPASS additionally surpasses all other technologies via built-in
intelligence that can automatically optimize settings as the count begins to
deliver the most efficient and effective count possible. It's a perfect
balance between minimum count time and maximum sensitivity that affords
eliminating a second count to verify any alarms.
Operational status and instrument condition is clearly
presented to the operator via a large 12" touch screen LCD. A second LCD
mounted to the opposite side is optionally available where desired as in the
case of pass-through type operations. The screens are designed to be very
intuitive and are accompanied by a large size push button to activate sample
counting and two smaller push buttons for updating the background or
acknowledging any alarms. The main counting screen is locked with password
control access via the touch screen to either routine check functions at one
level or a second level accessing all parameters.
The electronics support the latest Ludlum detector
boards which are connected to a PC-based fan-less controller motherboard
running on Embedded WindowsTM
XP platform. The system also provides an Ethernet port that enables
connection to the site LAN for collecting all count and alarm data as well
as monitoring all activities remotely from one or more locations.
When taken in total, Ludlum's Model 54 Small Article
Radiation Monitor delivers state-of-the art technology in a robust design with
enhanced performance, user-friendliness, and connectivity at the lowest cost
on the market.
Specifications
PART NUMBER:
48-3263
CHAMBER
Internal Dimensions: 20.0” x 20.0” x 20.0” (50.8 x 50.8 x 50. 8 cm)
Detection Volume: 4.6 ft3
Liner Material: .031 stainless steel
RADIATION DETECTORS
4 or 6 detector configurations available
Scintillator: EJ-200 plastic
Size: 19.0" x 19.0" x 2.0" (48.26 x 48.26 x 5.08 cm)
DOORS
Reversible door swing
Door hinges are heavy duty rated incorporating ball bearings for smooth
operation
Door locks to control single or dual door operation
MECHANICAL
Dimensions: 35.8” W x 52.7” H x 37.5 D ( 90.9 x 133.9 x 95.3 cm)
Weight: 0” of Lead: Approximately 1200 LBS (544 kg)
1” of Lead: Approximately 2900 LBS (1315 kg)
2” of Lead: Approximately 4600 LBS (2087 kg)
Lead is shipped separately and installed on site
ENVIRONMENTAL
Temperature: 320F to 1220F (00C to 500C)
COUNTING
Three alarm modes to maximize throughput, sensitivity or fix the count time
Alarms available for sum channels, sum zones and individual detectors
Automatic background updating
Contaminated detector checking
False alarm control
Logs each use, operational test and calibration
Configurations
|
Part Number |
Description |
|
48-3728 |
4
detectors, 2 doors, 1" lead shielding |
|
48-3727 |
4
detectors, 2 doors, 2" lead shielding |
|
48-3726 |
6
detectors, 2 doors, 1" lead shielding |
|
48-3263 |
6
detectors, 2 doors, 2" lead shielding |
Options
| Part Number |
Description |
| 4540-209 |
Light Stack |
| 4540-127 |
Weight Scale |
| 4540-210 |
Second LCD Monitor |

Technical Information
Other Ludlum Products
Ludlum Information
For more information or to request a quotation,
please contact us
by phone at: (865)
947-5123 or by email at:
sales@deqtech.com.
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