The GCK-02 Analog Geiger Counters detect radioactivity and is useful for performing nuclear experiments. The model GCK-02 is a kit. The kit requires assembly and soldering. All electronic components, PCB and GM tube are included in the kit. The kit is powered by a 9V transistor battery. There is also a socket to connect external power. There is no enclosure included with this kit. The assembled Geiger counter is uncovered. The circuit develops high voltage (HV) to power the Geiger Counter tube. The (HV) charge may also remain on capacitors after the Geiger Counter circuit is turned off. A project box or enclosure is recommended. Once assembled: These Geiger Counters primary indicators are an audio click and an LED blink each time a radioactive particle is detected. The GM Tube is a Ne + Halogen filled It detects the following radiation: Beta above 36 KeV; Gamma above 7 KeV. The kit has two buffered Digital Output leads -- The digital output provides a TTL logic high pulse each time a radioactive particle is detected. The digital output may be interfaced to a Personal computer (PC) or a microprocessor. Compatible with Images SI, Inc.'s DMAD adapters for PC. External Power Jack This is an assembled uncovered Geiger counter. A project box or enclosure is recommended. High voltages are present on the PCB and to the GM tube when the Geiger Counter is turned on so one must not touch the printed circuit board. High voltage charge may also remain on capacitors after the Geiger Counter circuit is turned off. 9 Volt battery powered. Battery not included. Images SI Inc., manufacturing electronic instruments and kits for over 25 years.
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