Handheld RIID (Radiological Isotope Identification Device)
More Than a RIID – It Sees, Tracks, and Adapts
Now in its third generation – Nucare’s most advanced RIID yet.
The RAD IQ™ HH300 combines advanced isotope identification with smart features like built-in GPS, camera, gyro sensor, and external probe support — delivering professional - grade performance in a compact, versatile platform.
What Sets HH300 Apart
External Probe Compatibility
- Integrates with external detectors for extended range and flexibility
Built-in Camera
- Captures images/video alongside detection events
Gyroscope-enabled Source Search
- Directional sensitivity and visualization for locating sources
Auto-Stabilization & GPS tracking
- Sourceless stabilization and geotagged data and live location reporting

The third generation HH300 is the most compact and lightweight RIID product ever developed. Its volume and weight are reduced by one third compared to earlier models, all while incorporating advanced features such as multi-media support.




The HH300 offers one-click Reach-back solutions for seamless data transfer to command centers.
Users can attach GPS information and site images to the spectroscopic report, assisting analysts in their evaluations.
Additionally, 4G/5G network access is available through an external adapter when WiFi is not an option.


The HH300 features a built-in camera that enables effortless image attachments to event reports,
significantly boosting its practicality.

A key feature of the HH300 is its ability to connect to external devices, including detectors, 4G/5G network adapters, and more through its USB port.


HH300’s built-in gyro sensor enables intuitive source direction finding. the system maps radiation intensity by angle and displays the source direction through a clear, real-time GUI.
