Self-extinguishing halogen-trigger counter tube for registering alpha-, beta-, gamma- and X- radiation. Enclosed in a plastic housing with a holder for mounting on the swiveling arm of the X-ray apparatus (U19200); equipped with a firmly installed BNC patch cord. Includes a retention clip for other types of mounting. Dose-rate range: 10-³ to 10² mGy/h Mass of the active surface: Mica: 2.0 to 3.0 mg/cm² Operating voltage: 500 V Dimensions: 50 mm x 50 mm x 22 mm Ø Cable length: 1 m