Exploranium GR-110S Gamma Scintillometer Kit

Vintage Exploranium GR-110S portable gamma-ray scintillometer with carrying holster, external probe/handle assembly and documentation. The accompanying ArcelorMittal bill of lading identifies the equipment as "Étalonnage Eberline E-520 #3526 / Exploranium GR-110S", indicating this unit was industrial radiation-monitoring equipment sent for calibration/service.

The GR-110 series was designed as a portable high-sensitivity instrument for detecting and surveying gamma radiation. Closely related GR-110G documentation describes a NaI(Tl) scintillation detector and readings displayed in counts per second (CPS). GR-110G instruments have also been documented in professional geological exploration surveys.

Features:

Exploranium GR-110S portable radiation survey instrument
Gamma scintillation detection system
Analog meter-equipped main instrument
Separate handheld probe assembly
Portable field design
Audible detection capability
Rugged metal instrument housing
Carrying/protective holster
Designed for radiation surveying and exploration
Professional/industrial-grade vintage equipment