DIY Geiger Counter Kit: Portable Nuclear Radiation Detector with OLED Display for X-ray, Gamma, Beta Rays, Iodine 131

Introducing a versatile Nuclear Radiation Detector designed to accurately assess various radioactive sources, including X-rays, gamma rays, and beta particles. Perfect for detecting the radioactive presence in materials such as marble, jade, sea Amoy products, iodine 131, and unidentified decorative minerals. This DIY Geiger counter is easy to assemble, making it an excellent choice for enthusiasts and professionals alike.

Key Features

• Dual Alarm System: Equipped with sound and light indicators to alert you to radiation levels promptly.
• Multi-functional: Offers real-time, average, and cumulative dose rate measurements, along with a trend chart for comprehensive analysis.
• OLED Display: Features a compact OLED screen for clear display of measurement results.
• High-performance ARM Processor: Ensures fast operation and robust data processing capabilities.
• Wide Range of Applications: Suitable for a variety of uses, from testing construction materials to checking personal items for radiation exposure.

Specifications

• Material: Printed circuit board
• Geiger Tube: J321 (compatible with M4011)
• Screen Resolution: 128 x 64
• MCU: ARM processor
• Display Accuracy: 0.001 µSv/h
• Detection Range: 0 - 9999 µSv/h
• Power Supply: USB, 5V, ≥500mA
• Item Weight: 91g / 3.2 oz
• Package Size: 120 x 90 x 20mm / 4.7 x 3.5 x 0.8in
• Package Weight: 148g / 5.2 oz

J321 Tube Specifications

• Diameter: Φ 10±0.5mm
• Total Length: 90 ± 2mm
• Starting Voltage: < 350V
• Recommended Working Voltage: 380V
• Minimum Pulse Length: 80V
• Maximum Pulse Slope: 10% / 80V
• Extreme Working Voltage: 550V
• Maximum Background Count Rate: 25 times/minute
• Service Life: > 1 × 10⁹ pulses
• Test Capabilities: X, beta, gamma radiation

Usage Guidelines

Ensure the cover tube is positioned close to the radiation target during testing. Avoid contact with the component area when the device is powered on to prevent electric shock. Always hold the device in the designated handheld area.

Package Includes

• 1 x Nuclear Radiation Tester
• 1 x USB Cable