ITI Nuclear: Pioneering Nuclear Inspection Solutions Since 1967
Custom-Engineered Inspection Tools for a Safer Future
Welcome to ITI Nuclear
For over five decades, Instrument Technology, Inc. (ITI) has been at the forefront of designing and manufacturing precision-engineered nuclear reactor inspection scopes and accessories. Originally established to serve the demanding needs of the nuclear power industry, ITI has earned a reputation for unparalleled quality, reliability, and innovation.
Today, ITI Nuclear proudly continues this legacy, offering custom inspection solutions to meet the evolving needs of modern nuclear power plants across North America and Europe.
Instrument Technology, Inc. designs and manufactures custom optical systems for applications in several nuclear technologies. The following sample of past projects in five categories illustrates our wide range of capabilities.
Two separate and distinct periscopes: one five-inch periscope with operating length of 50 feet. One 3-inch with 50-foot operating length with four different viewing heads.
Capability
Capable of operating at 700°F in an argon atmosphere with radiation and sodium vapors.
High-res
High-resolution photo recording
Fusion Technology
TFTR Project – Princeton University Plasma Physic Department Tokamak Program
Capability
Capable of operating within a high electro-magnetic field, high temperature with remote assembly and control
Triple Periscopes
Three identical periscopes for reactor vessel viewing during sustained reactions.
High-res
High-resolution photo and video recording capability
Underwater Technology
(LOFT Program – NRTS) - (Plutonium Program – Savannah River)
Modular Periscopes
Modular periscope designed for extended lengths and high radiation resistance for inspecting fuel control rods during the Loss of Flow Test.
Underwater Periscope
Four-inch periscope for underwater inspection at Santa Maria De Garona, Spain.
Weld Inspection
ITI Model 110010 with offset viewing head for inspecting welds around stub tubes.
Full Processing Technology
FMEF Project – Hanford, Washington
Floor and Wall periscopes to inspect and photograph fuel elements within processing rooms.
Waste Storage Tanks – Savannah River
Custom 3-inch periscopes with intense illumination for photography up to 30 feet.
Candu Reactors – Canada
High-resolution photo recording
Gas Cooled Technology
Torness and Heysham B Plants – United Kingdom
Custom periscopes with remote scan, azimuth, drive and focus control manufactured for advanced gas-cooled reactors. Video system attached to each periscope allowing for remote viewing and inspection within the reactor areas.
Why Choose ITI Nuclear?
Proven Track Record
Trusted by industry leaders like Westinghouse and the UK’s National Nuclear Power.
Custom Solutions
Tailored designs to address specific inspection challenges.
Unmatched Quality
Decades of expertise in high-precision engineering and manufacturing.
Rapid Response
Quick turnaround for legacy product replication and new project development.
Standard Instruments for Reactor and Hot Cell Operation
Model 110010
Underwater Periscope
Inspects fuel bundles (10–30m reach) with dual-power optics, .001" resolution, and 1.5X–12X magnification. Options: scans, illumination, and motorized mounts.
Model 110020
Modular Periscopes
3-inch instrument, 100 ft. max, for versatile inspection. Configurable heads, underwater/high-temp use, 1.5X–12X magnification, and camera options.
Model 110030 & 110040
Wall Periscope
180° view through concrete walls with shielding, power change, and camera adapters. Scanning or stationary eyepieces. Magnification: 2X–20X.
Model 110050
90-degree Wall Viewer
Views through concrete walls with 90° elevation scan, 360° rotation, and 30° field of view. Camera attachments and 1.5X magnification.
Model 131040
Underwater Borescopes
1.75" instrument for in-service inspection of pumps, fuel, and reactor areas. Extends to 100 ft. with 5–10 ft. relay extenders. Options: illumination, camera adapters, and reduced-diameter sections (¾" or 15/16").
Model 180040
Underwater Telescope
Aids refueling and fuel verification with clear underwater views. Low/high power for inspection (2X–20X), shiftable by control. Camera adapters available. ITI also offers various remote viewing tools like borescopes and videoscopes.
The Growing Need for Nuclear Inspection
With the resurgence of nuclear energy as a sustainable and reliable power source, the demand for advanced inspection tools is greater than ever. Regional nuclear power plants across North America and Europe are expanding, driving the need for innovative inspection technologies. ITI Nuclear is uniquely positioned to support this growth by delivering custom, cutting-edge solutions that ensure safety and efficiency.
