Geiger-Muller Tube: LND712 to be used with Tel-X-Ometer (B8R06806).Comprising of a sensitive thin end window Geiger-Muller Tube with mounting hardware to fit the radial arm of the Tel-X-Ometer. It is a self-quenching Halogen-trigger counter tube for registering X-ray radiation. The tube is sensitive to alpha, beta and gamma radiation and X-rays.Dose Rate Range: 10‾³ to 10² mGy/hWindow Thickness: 2.0 to 3.0 mg cm²Bias Voltage: 500VOutput Connector: BNCDimensions: 50 x 50 x 20mm ØCable Length: 1M