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Counting Labs

Analytical Nuclear measurements are at the core of the counting lab, found in materials science, general chemistry labs, facilities doing assays and health physics departments. GTL addresses this important market segment with a comprehensive suite of instrumentation, systems and software providing the counting lab professional with the tools needed to provide reliable results. Consult with our sales team to configure the best set of instrumentation to meet the laboratory needs.
SUPPLIERS


ORTEC has provided Gamma Spectroscopy systems based on HPGe detectors, low level shielding and advanced digital electronics / analysis software for much of their 60+ years in business. They are recognized as a world leader in these advanced systems. Whether the need is for a counting lab, radio pharmacy quality assurance, research or health physics, ORTEC has a solution, and GTL can provide full service, installation, and support.

ORTEC’s Alpha Spectrometers and related hardware provide for multiple sample low background alpha particle counting and analysis. A full range of detectors are provided to optimize the counting configuration.

ORTEC were the first to create a true battery powered, hand held HPGe system. Now after multiple generations these offer high reliability in a compact field deployable counting instrument. Consult with us to find a configuration that best suits your counting need.


Hidex provides both multi-sample Liquid Scintillation Counters and Automatic Gamma Counters featuring a small and light footprint. Their LSC systems feature their unique TDRC counting technique allowing built in quench correction. This series of counters may be configured for standard laboratory counting or in low, super low-level or in the ultra-low level ULLA configuration. Hidex provides an alpha-beta separation option for each model with industry leading results. Hidex is also the manufacturer of the ultra-compact Sense microplate reader and new sample preparation and oxidizer instruments.


More recently their AGC Automatic Gamma Counter has provided a small and light counter offering the lab scientist an affordable multi-sample counter for gamma assays.
As one of GTL’s original supplier-partners, GTL has been providing the Hidex Triathler to counting labs, field science and health physics professionals since our company’s incorporation. Hidex has chosen to keep the Triathler in its original colours and logo to note it as their legacy instrument. If your work requires single sample, portability (Triathler can run off a 12volt battery), and the footprint of a Letter sized paper, please consult with us to discuss which model of Triathler best suits your needs.


The leading manufacturer of high performance counting systems for measuring alpha/beta activity at very low environmental levels.

The company was founded in 1989 by people who were the principal designers and manufacturers of the classic "dual-rail" alpha/beta and smear counting systems.

Their design and manufacturing expertise is evident in the number of these classic systems still operating today. Protean provides the highest level of customer service and support for their dependable, long-lasting equipment.


Raddec International Ltd designs, comprehensively tests and markets innovative radioanalytical technologies for extracting volatile radionuclides from diverse materials. These systems are designed by scientific practitioners who understand the technical issues and demands faced by modern radioanalytical laboratories.

Raddec’s hardware innovations focus on the extraction of volatile elements and radionuclides from sample solutions. The instrumentation has found extensive application in various sectors including nuclear decommissioning, nuclear defense, nuclear fusion research, environmental, regulatory, AMS analytical laboratories and academic research.
Raddec’s range of equipment, software and consumables is underpinned by published scientific research, is extensively tested and is in routine use in numerous radioanalytical laboratories worldwide.
Radiation Protection

ThermoScientific, part of the Field Safety Instruments group have been manufacturing radiation measurement instrumentation for over 70 years. Legendary brands Eberline, ESM FAG, Bicron, Nuclear Enterprises, National Nuclear Corp, Siemens Dosimetry and Harshaw all are part of Thermo’s pedigree. We at GTL have worked with ThermoScientific since our company’s incorporation and pride ourselves on having the deep expertise to best advise you which product or system is best for your application.
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RadEye
The ThermoScientific RadEye is a family of ultra-compact personal radiation meters for measuring alpha, beta, x-ray, gamma and/or neutron radiation.
A comprehensive eco-system of accessories allows one to configure the meter or meters of choice for personal monitoring, at length measurements via telescoping probe, dose rate or as an effective area monitor. GTL has provided 1000’s of units since the product introduction and it continues to be one of the most popular meters in the industry.
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Radhalo
RadHalo™ RDP and FM Spectroscopic Area Monitors are deployable (RDP) or fixed (FM) radiation monitors featuring sensitive, high precision gamma and neutron probes.
The monitors feature real-time data collection across a wide range of environments and radiation dose rate levels. For nuclear power and associated emergency response personnel, the RadHalo instruments’ remote monitoring and turn-key data reachback telemetry capabilities eliminate the need to place personnel in risky environments.
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ASM
ASM™ IV is a family of installed monitors including vehicle and gate monitors. Each system is based on Thermo’s X-Channel platform running a Linux operating system to provide both accurate and reliable detection of unwanted sources of radiation in an extremely rugged environment.
Systems may be configured from one to many radiation detection modules (RDM) to maximize the efficiency of detection. Engage with us to help configure the best ASM system for your needs.

In 2023, innoRIID was acquired by AMETEK, now part of ORTEC, a business of AMETEK. innoRIID´s main products are the RADEAGLE, and the RADEAGLET-R, handheld radio-isotope identification devices (RIID) based on innoRIID’s innovative modular electronic components and software programs. The RADEAGLET-R also has the InnoProbe accessory that enables identification of Alpha and Beta particles.
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RADEAGLET-R™
The RADEAGLET-R™ lightweight, handheld radiation detector provides the speed and reliability to identify potentially hazardous radiation sources quickly and accurately.
Designed and built to meet the specialized requirements of military, law enforcement, first responder, border patrol, and homeland security users, as well as all radiation protection professionals, the RADEAGLET-R handheld RIID radiation detector stands up to rugged use under harsh conditions, delivering readings in seconds via a user-friendly, hi-resolution display. Built-in Bluetooth, LAN, Wi-Fi, and USB compatibility lets field personnel easily upload data via smartphone, tablet, or PC for reach back/triage analysis of potential threats.
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RadEAGLE-CX
The RadEAGLE-Cx (RECx) series stands at the forefront of innovation in radiation detection and identification. With its launch, ORTEC not only expands its HLS product line but also redefines market standards through advanced technology and strategic design. The RECx series is positioned as a game-changer in the industry, offering unparalleled sensitivity, adaptability, and connectivity. The RECx series is engineered to bring cutting-edge performance in a simple to use, versatile platform. Its modular design and scalable solutions cater to a diverse range of applications, from homeland security to environmental monitoring. Featuring innoRIID’s advanced identification algorithms, the RECx series offers a level of performance that sets a new benchmark in the market.

DURRIDGE laboratory grade and field optimized Continuous Radon Monitoring Systems for Air, Water and Soil

The All-New RAD8
Rugged, Sensitive Laboratory Grade and Field Compatible.
The new RAD8 reimagines scientific-quality electronic radon monitors with complete top-to-bottom upgrades in comparison to the venerable RAD7, the instrument which for years has been the industry standard for a variety of applications including air quality testing, health physics, geology, geochemistry, hydrogeology, oceanography, environmental remediation, metrology, and more. With its cutting-edge features and optimizations for outdoor use, RAD8 revolutionizes radon/thoron monitoring in the field and the lab.
Nuclear Medicine & Cancer Treatments

The Harshaw name is synonymous with providing accurate dosimetry data. Their full range of TLD readers, accessories andc materials provides the Nuclear Medicine facility the defacto standard in passive dosimetry.

Coupled with the TruDose line of active dosimeters, the RadEye personal meter and the wide range of accessories, we present a comprehensive suite of instrumentation to assist the health physicist in their day to day work.
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RadEye B20
For hospital and pharmaceutical industry employees, the RadEye B20 and B20-ER Multi-Purpose Survey Meters offer consistent, reliable results in any application requiring radiological surveys of flat surfaces. Model B20 is for normal measurements. Model B20-ER is for high-range measurements.
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- Lightweight (300g), excellent grip with and without gloves.
- Rugged and compact design, thick rubber protective cover.
- Low cost of ownership with > 500 hour operation time with 2 AAA batteries – rechargeable NiMH-cells can be used.
- Menu-driven user interface results in low training cost and immediate familiarity.
- Huge internal data memory for both scaler results and continuous data recording.
- Bright backlit LCD display. Plain text messages and different languages can be selected.
- Easy adaptation to different tasks by supervisor configuration, calibration, selection of measuring units.
- Versatile operation modes:
- Scaler/Timer with preset count and preset time for sample measurements.
- Continuous ratemeter mode for frisker operation.
- Dose rate mode.
- Audible indication: single pulse or chirper mode proportional to count rate.
- Earphone output for operation in loud environment.
- IR PC Interface or Bluetooth™ as option.
- Advanced Windows™ software is available as option.

Amptek's EXP-2 Complete Experimenter's Kit is a package designed to help a user quickly begin doing elemental analysis via X-ray fluorescence (XRF). All hardware and software in the kit and once assembled and the software configured and calibrated, one can begin doing simple analyses. This kit is affordable and general purpose, not tailored to a particular application, but can be the starting point for a customized system or a perfect teaching tool.
Industrial and Nuclear Power Plant Solutions



GTL has been providing specialized measurement systems to Canada’s Nuclear Power Plant industry since our company's inception. High resolution Gamma Ray Spectroscopy systems based on ORTEC’s HPGe Detectors, deployable measurement systems, contamination monitoring solutions, stack and perimeter monitors from ThermoScientific and from Ultra Electronics as well as all our systems from our Counting Lab product grouping are provided to the NPP and Industrial sectors. Whether you are considering a control system, an ingress/egress monitor, vehicle monitor or handheld solutions, please consult with us to best meet your application.
Research

GTL is proud to be partnered with ORTEC, a cornerstone supplier-partner when we started the company. They are one of the oldest names in research instrumentation with countless products from electronics to detectors, to full systems in many of the world’s research institutions. In 2024, we added the industry leader in x-ray detectors, Amptek, with a wide range of OEM and research detectors.
Whether your work requires a single detector, a detector array, specific electronics or something out of the ordinary, please consult with us to find the best solution for your work.