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A Geiger counter consists of a Geiger–Müller tube (the sensing element which detects the radiation) and the processing electronics, which display the result. The Geiger–Müller tube is filled with an inert gas such as helium , neon , or argon at low pressure, to which a high voltage is applied.
The Geiger–Müller tube or G–M tube is the sensing element of the Geiger counter instrument used for the detection of ionizing radiation. It is named after Hans Geiger , who invented the principle in 1908, [ 1 ] and Walther Müller , who collaborated with Geiger in developing the technique further in 1928 to produce a practical tube that ...
The RBGT-62a was a Geiger counter manufactured in the early 1960s for the Czechoslovak People's Army.It read beta and gamma and had a transistorised circuit. The dial, controls, headphone jack, and probe connector are on the front of the meter, and the battery compartment on the back.
Geiger–Müller tubes are the primary components of Geiger counters. They operate at an even higher voltage, selected such that each ion pair creates an avalanche, but by the emission of UV photons, multiple avalanches are created which spread along the anode wire, and the adjacent gas volume ionizes from as little as a single ion pair event.
The CD V-700 is a Geiger counter employing a probe equipped with a Geiger–Müller tube manufactured by several companies under contract to US federal civil defense agencies in the 1950s and 1960s. This unit is quite sensitive and can be used to measure low levels of gamma radiation and detect beta radiation. In cases of high-radiation fields ...
The CD V-700 (often written as "CDV-700") is a Geiger counter employing a probe equipped with a Geiger–Müller tube, manufactured by several companies under contract to United States federal civil defense agencies in the 1950s and 1960s. While all models adhere to a similar size, shape, coloring and form-factor, there were substantial ...
These use a conventional Geiger-Muller tube, typically a ZP1301 or similar energy-compensated tube, requiring between 600 and 700V and pulse detection components. The display on most is a bubble or miniature LCD type with 4 digits and a discrete counter integrated chip such as 74C925/6.
Aware Electronics Corp. is a United States of America designer and manufacturer of radiation monitors and Geiger Counters. It is located in Wilmington, Delaware and was incorporated in 1986 [ 1 ] Aware's RM-80 detector with thin mica window pancake detector plugged into the LCD-90 microcontroller data-logger with Class 1 Bluetooth adapter ...