Supplier
Kromek Group plc
GR1 / GR Family CZT Gamma Spectrometer
Self-contained, USB-powered 1cm³ CZT gamma-ray spectrometer.
Pricing
Request a quote for current pricing, lead time and delivery to your airport.The GR1 is a small, light, completely self-contained CZT-based gamma-ray spectrometer with integrated electronics and USB connectivity, requiring no external power supply. It is used for field and laboratory radiation measurement and can be mounted in arrays for large-area coverage or integrated into larger detection systems such as the AARM drone payload. The GR1+ variant offers improved energy resolution.
Specs at a glance
Technical specifications.
| Detector material | CZT, 1 cm³ detector volume |
| Energy resolution | < 2.5% FWHM @ 662 keV (GR1); < 2.0% FWHM (GR1+) |
| USB bus-powered — no external power supply needed | |
| Output | USB only |
| GR1-A/A+ variant adds three MCX connectors (energy/timing outputs, gate inputs) + MultiSpect software | |
| GR05 variant | 0.125 cm³ detector for high-flux environments, max dose ~10 mSv/hr |
Best for
Use cases.
- ›Radiation research and education
- ›Environmental surveys
- ›Large-area array coverage
- ›Integration into drone / custom detection systems
Cross-shop the category
Replacements & compatible alternatives.
Comparable products from other suppliers. Cross-shop on specs — confirm exact fit and compatibility with the supplier before specifying.
