DIY Geiger Counter Kit with OLED Display: Handheld Radiation & X-ray Tester

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Description: This Nuclear Radiation Tester is designed to detect X-rays, γ-rays, and β-rays. It can measure the radioactive dose of materials such as marble, antiques, jade, seawat er products, iodine 131, medical equipment, and a variety of unknown minerals used in decoration. Features: Sound and light indication for detection alerts. Functions include real-time dose rate, average dose rate, cumulative dose rate, and a trend chart. Small OLED screen for clear display of measurement results. Equipped with an ARM processor for fast operation and powerful processing capabilities. Usage: Place the cover tube close to the radiation source for testing. Avoid touching the component area when the device is powered on to prevent electric shock; hold the device in the designated handheld area. Specifications: Geiger Tube: J321 (compatible with M4011) Screen Resolution: 128 x 64 pixels Microcontroller Unit (MCU): ARM Display Accuracy: 0.001 µSv/h Detection Display Range: 0-9999 µSv/h Size: Approximately 116 x 85 mm Power Supply: USB, 5V, ≥ 500mA J321 Pipe Specification: Diameter: Φ 10 ± 0.5 mm Total Length: 90 ± 2 mm Recommended Working Voltage: 380V Minimum Ping Length: 80V Maximum Ping Slope: 10% / 80V Extreme Working Voltage: 550V Maximum Background Count Rate: 25 times / minute Service Life: > 1 x 109 pulses Tested Rays: X, β, γ radial Package Included: 1 x Handheld Nuclear Radiation Tester 1 x USB Cable Show more