DFRobot Gravity: Geiger Counter Module Ionizing Radiation Detector


In stock

SKU: 1283759
  1. Power Supply: 3.3V ~ 5V
  2. Signal Output: digital output, pull down when pulse detected
  3. Driving Voltage: ≈400V
  4. Maximum Range: 1200 μSv/h(theoretically)


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Brand: DF Robot
Category: PIR / IR and Optical Sensor

Ionizing radiation, an invisible and intangible enemy, exists not only in nuclear power plant reactors. In fact, we are bombarded by radiation from the surrounding environment and outer space all the time, and fortunately, our body is strong enough to resist the natural background radiation.

No active contact does not mean that high-energy ionizing radiation will not be encountered. Natural marble building materials, ore gems with different colors, and “negative ion powder” of unknown composition may contain different amounts of radioactive elements. With a DFRobot Gravity: Geiger Counter Module Ionizing Radiation Detector, these radioactive sources have nowhere to hide.

Df Robot Dfrobot Gravity Geiger Counter Module Ionizing Radiation Detector 6

The Geiger counter can only detect ionizing radiation, such as nuclear radiation, X-rays, cosmic rays, etc. Electromagnetic radiation such as microwave oven radiation, mobile phone radiation, WiFi radiation, and induction cooker radiation can not be detected.

In addition, the DFRobot Gravity: Geiger Counter Module Ionizing Radiation Detector is a good random number generator, and undetermined high-energy particle ionization events can provide enough random entropy to get you a truly random number, rather than a fixed random sequence based on a random algorithm.

Applications: Ionizing Radiation Detect

Note: This product is not a professional measuring instrument and is only suitable for principal research and teaching demonstration. Not for use in radiation dose measurement that directly affects personal safety.


  • Large-scale and highly sensitive Geiger tube
  • Easy-to-install layout

Package Includes:

1 x Gravity: Geiger Counter Module (Geiger Tube Included)

1 x Gravity 3-Pin Sensor Connector

SKU: 1283759 Category:
Geiger Counter Power Supply

3.3V ~ 5V

Geiger Counter Signal Output:

Digital output, pull down when pulse detected

Geiger Counter Driving Voltage


Geiger Counter Maximum Range

1200 μSv/h(theoretically)

Geiger Counter Outline Size

107 x 42mm/4.21 x 1.65”

M4011 Geiger Tube Operating Voltage

380V ~ 450V

M4011 Geiger Tube Background Counts


M4011 Geiger Tube CPM Ratio

153.8 CPM/(μSv/h)

M4011 Geiger Tube Outline Size

Φ10mm x 88mm

Shipment Weight

0.06 kg

Shipment Dimensions

10 × 8 × 3 cm

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Country Of Origin: China