DIY Nuclear Radiation Meter Circuit Board Kit Assembled Geiger Counter Radioactive Ray X/β/γ-Ray Radiation Tester with B

Description This nuclear radiation detector can detect x ray gamma rays beta rays and can perform radioactive dose detection on marble antiques jades oversea shopping products iodine 131 medical equipment and various unknown minerals for decoration Features 1 Sound and light alarm2 Support most Geiger tubes M4011 can be installed directly other models cannot be installed on the board but the flying leads can also be used digital multimeter measures the positive pole of the Geiger tube to the negative pole of the power supply adjust the blue potentiometer until the multimeter shows DC 170 volts 3 An external screen or pointer meter can be used as monitoring the output signal is interrupt output the waveform is the falling edge of the pulse and the low level is valid 4 The circuit structure is stable and the failure rate is extremely lowBasic parameter Geiger Tube Model M4011Type C interface power supply 5V1APower consumption current 20mADimensions 61 x 92 mmWeight about 40gGM Tube M4011 Specification Diameter Φ10±0 5mmTotal length 90±2mmStarting voltage 350VRecommended working voltage 380VMinimum ping length 80VMaximum ping slope 10 80VExtreme working voltage 550VMaximum background count rate 25 times minLifetime 1 109 pulsesDetection X β γ rayPackage includes 1 Radiation Detector