DIY GM Tube Geiger Counter Unassembled Parts Kit

DIY GM Tube Geiger Counter Unassembled Radiation Detector Parts Kit

Open source unassembled radiation testing spare parts set, complete with Miller GM counting tube, full assortment of electronic components, PCB circuit board and acrylic base plate, supports beta & gamma ray detection, dual power supply mode, sound-light alarm and standard interrupt signal output for universal single-chip microcontroller connection.

Unmodified Original Product Specifications

• SKU Model: ST230038533
• Product Form: Unassembled DIY Soldering Kit (Solder Required)
• GM Tube Size: Φ10±0.5mm Diameter × 90±2mm Length
• Tube Electrical Parameter: Startup Voltage <350V, Rated 380V, Max 550V
• Pulse Service Life: Over 1×10⁹ Pulses
• Working Temperature: -40℃ ~ 55℃
• Finished Board Dimension: 108 × 63 × 20 mm
• Power Supply Mode: DC 5V / 3×1.5V / 4×1.2V Battery, 12~30mA Current
• Detection Range: Gamma Ray 20~120mR/h; Soft Beta Ray 100~1800 Counts/cm²
• Compatible GM Tube: M4011, STS-5, SBM20, J305 (330~600V Operating Voltage)
• Signal Output: External Interrupt IO Pin for Data Collection
• Extra Function: Real Sound & Light Double Alarm, PC Data Recording Supported

Original Retained Core Features

• Full open source circuit layout for self-assembly DIY experiment project
• Complete matching electronic spare parts, no extra components to purchase
• Dual power design adapts lab desktop and field portable measurement
• Dual sound-light alert system reminds abnormal radiation reading instantly
• Standard universal IO pin matches most mainstream 5V microcontroller boards
• Supports PC data logging and offline radiation data analysis
• Comes with transparent acrylic bottom plate for circuit protection & fixation
• Wide temperature range fits indoor laboratory and outdoor field detection

Full Unchanged Package Contents

• 1 x Blank Printed Circuit Board (PCB)
• 1 x Miller GM Geiger Tube
• Full Set Matching Electronic Components (Resistors, Capacitors, Chips, Diodes etc.)
• 1 x Acrylic Protective Base Plate
• 1 x Product Operation Manual

Original Usage Reminders Retained

1. 0.5~2mm dimensional tolerance exists for PCB and acrylic accessories.
2. Basic soldering skill is required to assemble this unassembled kit.
3. Avoid strong electromagnetic interference during radiation testing.
4. Only replace GM tubes within 330~600V rated voltage range.

Complete circuit aging & radiation response inspection before global shipping.