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- Contamination Monitoring & Clearance ›
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  Contamination Monitoring & Clearance
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  Scan for the presence of radioactive contamination on people, objects or vehicles.
  
  Product Application
  - Body Screening & Entry/Exit Monitoring
    
    Systems designed to detect radioactive contamination on the surface of a worker's body prior to exiting a radiologically controlled area.
  - Tool, Object and Conveyor Screening
    
    Monitors designed to quickly screen tools, clothing and other objects for radioactive contamination, prior to removal from a radiologically controlled area.
  - In-Vivo Counting
    
    Systems designed to provide whole body and lung counting capabilities.
- Criticality Accident Alarm Systems ›
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  Criticality Accident Alarm Systems
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  A Criticality Accident Alarm System (CAAS) is an alarm system for prompt evacuation of personnel in the event of a criticality event.
- Decontamination & Decommissioning ›
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  Decontamination & Decommissioning
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  Decontamination and Decommissioning (D&D) is a major effort worldwide, covering everything from early R&D facilities to first generation nuclear power plants, weapons and fuel fabrication facilities and research reactors.
  
  Product Application
  - Gamma Waste Assay Systems
    
    Gamma measurement systems for the measurement of non-packaged and packaged waste as well as containers of different sizes.
  - Body Screening & Entry/Exit Monitoring
    
    Systems designed to detect radioactive contamination on the surface of a worker's body prior to exiting a radiologically controlled area.
  - Decommissioning and Dismantling Cameras
    
    Monitor all aspects of the D&D cycle to improve safety and efficiency in radioactive/contaminated environments.
  - Decommissioning and Dismantling (Video Processing)
    
    Video processing solutions to overcome image quality challenges during the decommissioning and dismantling of a nuclear facility.
  - Tool, Object and Conveyor Screening
    
    Monitors designed to quickly screen tools, clothing and other objects for radioactive contamination, prior to removal from a radiologically controlled area.
  - Supervisory Systems
    
    System display and control software for environmental and boundary monitoring applications designed in accordance with stringent nuclear industry standards.
  - Electronic Dosimeters & Attachable Modules
    
    Electronic dosimeters protect the wearer from the harmful effects of radiation by tracking changes in exposure and keeping an ongoing record of the user’s dose over time.
  - Survey Meters and Attachable Probes
    
    Multi-purpose radiation survey meters with attachable probes to detect alpha, beta and gamma radiation.
  - Environmental & Perimeter Monitoring
    
    Environmental and perimeter monitoring solutions for both remote measurement and sample assessment.
  - Alpha/Beta Counting
    
    Automatic and manually-controlled low background alpha/beta counting systems.
  Services
  - Measurement & Expertise
    
    Partnering with you for more efficient and cost-effective nuclear measurements.
  - Customer Training Programs
    
    Our-house, your house, or online, our experts are ready to assist in your learning and knowledge needs.
- Dosimetry ›
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  Dosimetry
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  Dosimeters track the radiation exposure of the wearer, to provide awareness and protection from the effects of ionizing radiation. Mirion offers a comprehensive range of solutions and services for monitoring personal radiation exposure.
  
  Product Application
  - Instadose Personal Radiation Monitoring & Reporting
    
    Pushing the boundaries of personal dosimetry with Instadose+™ dosimeters.
  - Electronic Dosimeters & Attachable Modules
    
    Electronic dosimeters protect the wearer from the harmful effects of radiation by tracking changes in exposure and keeping an ongoing record of the user’s dose over time.
  - X-Ray Badges and Rings
    
    Radiation badge services and specialty dosimeters for a variety of applications.
  - Telemetry Transmitter, Base Stations and Software
    
    Monitor your radiation safety devices wirelessly with the WRM2 System and Software.
  - Passive Dosimeters
    
    Passive dosimeters measure the radiation exposure of the wearer over time.
  - Dose Record Management and Access Control
    
    Track radiation exposure over time and limit access to dangerous areas.
- Environmental Monitoring ›
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  Environmental Monitoring
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  Monitoring solutions for the environment, as well as for remote measurement at the boundaries of facilities.
  
  Product Application
  - Supervisory Systems
    
    System display and control software for environmental and boundary monitoring applications designed in accordance with stringent nuclear industry standards.
  - Environmental & Perimeter Monitoring
    
    Environmental and perimeter monitoring solutions for both remote measurement and sample assessment.
- Extreme Environment Imaging ›
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  Extreme Environment Imaging
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  A range of CCTV and imaging systems for the inspection, surveillance and monitoring of numerous applications.
  
  Product Application
  - High Temperature Cameras
    
    Our systems combine temperature measurement, real-time video, and image processing into an enhanced video experience showing measurement information overlaid onto a live video image.
  - Radiation Tolerant Cameras
    
    When your environment demands radiation hardened CCTV for monitoring, Mirion can help provide long-term solutions.
  - Video Processing and Accessories
    
    Enhancements for Critical Imaging Processing.
- Instrumentation & Control ›
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  Instrumentation & Control
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  Safety and instrumentation channels for nuclear power plants.
  
  Product Application
  - Reactor Water Level Measurement
    
    Cost-effective, digital ultrasonic measurement system to determine reactor water levels for optimization.
  - Hydrogen Measurement
    
    Multi-point hydrogen and oxygen measurement systems for inside the reactor building.
  - Ex-Core (Reactor Safety Systems)
    
    Out-of-core radiation sensors for all types of reactors.
  - Boron Meters
    
    Boron meters continuously measure the boron concentration in water circulating in process of light water nuclear power plants.
  - In-Core
    
    In-core detectors used in the instrumentation channels of nuclear power plants.
  - Nuclear Containment Seals
    
    Modular in design and manufactured to operate reliably over the sixty year design life of a reactor.
- Military (CBRN) & Homeland Security ›
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  Military (CBRN) & Homeland Security
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  Rugged monitoring equipment that meets the exacting standards our military and homeland security customers. These durable and highly sensitive instruments are designed for demanding battlefield, infrastructure protection, border security and search applications.
  
  Product Application
  - Shipboard Area Monitoring Systems
    
    Systems to provide rugged, accurate area monitoring capabilities on naval vessels.
  - Military Dosimetry & Handheld Instruments
    
    Dosimeters and handheld instruments designed for military durability and environmental standards.
  - Airborne & Vehicle Based Mobile Spectroscopy
    
    Vehicle and aircraft mounted detector arrays that provide ultra-sensitive detection, identification and mapping capabilities.
  - Handheld Search & Identification
    
    Handheld devices for lightning fast radiological search and identification.
  - Human Portable Spectroscopic Monitoring
    
    Human portable radiation detection and identification system.
- Portable Radiation Measurement ›
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  Portable Radiation Measurement
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  Radiation meters to search for, measure, and monitor radiation.
  
  Product Application
  - Health Physics Instrumentation
    
    Solutions for your radioprotection needs.
  - Basic Dose Rate Survey Meters
    
    Simple survey meters for basic radiation measurement tasks.
  - Portable Area Monitors
    
    Remotely measure radiation at fixed locations.
  - Survey Meters and Attachable Probes
    
    Multi-purpose radiation survey meters with attachable probes to detect alpha, beta and gamma radiation.
- Radiation Monitoring Systems ›
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  Radiation Monitoring Systems
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  Monitoring of barriers and effluent releases, radiation protection of workers, operational process monitoring and post-accident operations.
  
  Product Application
  - Area Monitoring
    
    Monitors to measure site-specific levels of alpha, beta, gamma, or neutron radiation.
  - Effluent Release Monitoring
    
    Modularized and reliable effluent monitors.
  - Operational Process Monitoring
    
    Instruments to monitor radioactivity in pipes, ducts, filters, tanks, or in general areas.
  - Containment Systems
    
    Cost-effective steam generator leak monitors.
  - Post-Accident Facility Management
    
    Equipment developed and qualified for post-accident operations in the nuclear facilities.
- Spectroscopy & Counting Labs ›
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  Spectroscopy & Counting Labs
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  Spectroscopic and radiochemistry solutions for laboratory, field, and personnel applications with experts located throughout the world to provide local support and address any measurement needs.
  
  Product Application
  - Radiological Counting Labs
    
    A full range of products, solutions and services to assist with the important applications of the radiochemistry laboratory.
  - Solutions for Industrial Applications & Physics research
    
    Specialized detectors and instrumentation for cutting-edge materials analysis, physics, space studies and other challenging applications.
  - In-Vivo Counting
    
    Systems designed to provide whole body and lung counting capabilities.
  - In-Situ Measurements
    
    In Situ tools for imaging and measurement of contaminated materials and areas, both in place as well as after removal from facilities.
- Waste Management ›
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  Waste Management
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  Equipment, systems, tools and expertise to solve your most demanding nuclear measurement challenges.
  
  Product Application
  - Combined Neutron - Gamma Systems
    
    Mirion offers combined gamma/neutron assay, systems to measure containers ranging from non-packaged waste to vehicles.
  - Measurement & Expertise Services
    
    Our experts provide services to measure and analyze nuclear materials. Our team ensures the quality of results, offer innovative solutions to meet your needs and the safety of your site.
  - NDA Systems
    
    Our Non Destructive Assay systems measure the radioactivity content of containers of radioactive waste or fuels, or contaminated items. Measurements are conducted in a non-intrusive manner whereby the radiation emissions are measured without requiring the container to be opened or the item to be physically altered.
  Services
  - Measurement & Expertise
    
    Partnering with you for more efficient and cost-effective nuclear measurements.
Services
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Explore Mirion's Divisions, our management team, and learn about the latest news and events below.
Get To Know Our Divisions
- Characterization
  
  Dedicated to supporting Decontamination and Decommissioning efforts worldwide, the Characterization Division combines application know-how with a broad range of Mirion products and systems to deliver solutions that help you address any challenges faced during all stages of the D&D project life cycle. The ChD Division also features high temperature and radiation tolerant cameras for a wide range of imaging applications.
- Health Physics
  
  Fixed and mobile systems focused on protecting individuals from hazardous radiation exposure, handheld instrumentation, electronic and passive dosimetry for radiation measurement and monitoring.
- Sensing Systems
  
  Electrical Penetrations, In-core, and Ex-core Detectors used in the instrumentation channels of nuclear power plants for safety and control processes
- Dosimetry Services
  
  Services providing official dose of record reports for workers exposed to radiation. Featuring the Instadose+™ dosimeter, with SmartMonitoring™ technology - a digital radiation monitoring device that is transforming how staff are monitored and safeguarded from radiation over-exposure.
- Radiation Monitoring Systems
  
  MGP Instruments™, Canberra™ and MGPI H&B™ state-of-the-art radiation monitoring and neutron flux systems for nuclear power plants, nuclear fuel cycle industry, nuclear research centers/accelerators, nuclear test reactors, medical isotope production facilities and nuclear military facilities.
- Spectroscopy
  
  Radiation measurement solutions for laboratory, in vivo, in situ applications and local experts available around the world to provide consulting services and address any nuclear measurement needs.
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Gamma Waste Assay Systems
RTM661/440™ Large Object Monitor

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RTM661/440™

Large Object Monitor

Manufactured by: The Health Physics Divison

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RTM661/440™

Large Object Monitor

Manufactured by: The Health Physics Division

Favorite this Product

Quick and accurate scanning of items such as larger tools, boxes, or even a small waste drum.

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RTM661/440™

Large Object Monitor

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Data Sheet

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Features

Proven measurement methodology
Easy operation and display of measurement data
Many options enhance operation
Various operating modes
Designed for performance in nuclear environments

Description

The RTM661/440 monitor is designed for the reliable release measurement of various objects such as tools, waste bags or brief cases.

Its fast, integral gamma measurement is based on the use of gamma plastic scintillation detectors in line with modern PC-based counting electronics. The system is based on an industrial personal computer.

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Solutions for Challenging D&D Projects

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Americas

Mirion Technologies (MGPI), Inc.

5000 Highlands Parkway Suite 150

Smyrna, GA 30082

Sales Phone: 770.432.2744

Support Phone: 770.432.2744

Email: smy-sales@mirion.com

Support and Sales for Health Physics and Radiation Monitoring Systems products in the Americas.

Europe | Middle East | Africa

Mirion Technologies (MGPI) SAS

174 Route d'Eyguières

FR-13113 Lamanon, France

Sales Phone: +33 4 90 59 59 59

Support Phone: +33 4 90 59 60 60

Email: info-fr@mirion.com

Sales and Service for Health Physics and Radiation Monitoring Systems in Europe, the Middle East and Africa

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