Gamma-Scout STANDARD - Geiger counter radiation detector

Item number: DK-J87B-EGF6

347,00 €

including 19% VAT. , no shipping costs

Available now!

Shipping time: 2 - 3 workdays

Category: Detectors

Gamma Scout Modell 2016

- big storage 256 kbyte (instead 1 kbyte)

- CPS (instead Bq) button

- 3 digits behind the decimal point (instead 2)

GAMMA SCOUT - BASIC - Geiger counter - radiation gauge

  • easy to operate
  • usable anywhere
  • collects data around the clock
  • connectable to PC incl. ?Toolbox? software


Functions and Features (all models)

  • Large range of calbration:
    In measuring mode, the display shows the current radiation measurement reading.
    The display also temporarily shows the average H of the last day (24h, 12 am to 12 am).
  • Large Scale:
    GAMMA-SCOUT® is calibrated across a wide scale (0.01 up to 5000.00 µSv/h).
  • Tested Calibration:
    Each GAMMA-SCOUT® radiation meter is subjected to a final test. This test is supervised by
    the Institute of Radiation Protection; a government controlled university for Applied Technology.
    The tested device must be in a confidence interval of 5% in comparison to a master.
    This master is adjusted to a gauged reference Cs-137 emitter.
  • Reference Isotope Not Equal to Cs-137:
    The conversion from impulses per time into the dose rate is based on Cs-137. If other isotopes
    are present, the impulses per time can be directly displayed, and can be converted by using
    personal charts.
  • Dose Rate and Dose:
    GAMMA-SCOUT® can be used as a dose meter (cumulative radiation).
  • Change Sievert to Rem:
    The dose rate may be displayed in Sievert or Rem.
  • Energy-Saving Permanent Operation:
    The GAMMA-SCOUT® monitors radiation day and night and logs data for later download.
    Due to sophisticated electronics, its battery lasts for years. The model ?RECHARGEABLE? works
    with a rechargeable battery.
  • Data Storage:
    GAMMA-SCOUT® stores all registered pulses in its internal memory and keeps them ready for you
    to use when desired. 110,000 Readings: For constant monitoring of the environmental data, the interval
    of data storage is set on a value of one per week. This equals 600 years of memory capacity.
    The user can set up smaller intervals, which maxes out the memory capacity sooner.
    To clear the memory content, see the manual.
  • Certification:
    GAMMA-SCOUT® meets all European CE standards as well as the
    ?FCC 15 standard? of the USA. GAMMA-SCOUT® may be carried on aircraft.


Technical Data


Liquid-crystal display (LCD), 4-digit, numeric with dimension,
quasi-analogue logarithmic bar chart.
Operating mode indicators

Ray detector

End-window alpha-beta-gamma detector counting tube according to
the Geiger-Müller principle
Stainless steel housing
Measuring length 38.1 mm, measuring diameter 9.1 mm
Mica window 1.5 to 2 mg/cm2

Zero rate <10 pulses per minute with sreening by 3mm AI and
50mm Pb Operating temperature -20 bis +60°C, operating voltage
approx. 450 V Calibrated scale 0.01 µSv/h up to 5000.00 µSv/h

Ray types


from 4 MeV;



from 0.2 MeV



from 30 keV

Ray selection

a + ß + y

without shielding


ß + y

AI foil approx. 0.1 mm, shields off a completely



Al shielding approx. 3 mm, Shielding off a completely
and ß to 2 MeV, weakens y less than 7% based on Cs-137


We recycle returned devices cost-free

Power consumption

Less than 10 microamperes under environmental radiation


256 Kbyte (110,000 data sets)


impact-resistant plastic


Length 163 mm x width 72 mm x height 30 mm

Interference protections

European CE standard, US-standard FCC-15



November, 2015 (Right of modification reserved)

Leading Gap - What makes Gamma-Scout superior in comparison to other Geiger counters?

There are a variety of Geiger counters available on the market today. What makes Gamma-Scout a superior product?
There are many reasons why, see features. Some of these features are emphasized below:

1. The core component of every Geiger counter is a Geiger-Müller counter tube. Among experts, the best known counter
tube of small dimensions is a product made in the USA (LND Incorporated). It is high-priced, but of high
quality. Gamma-Scout operates with this counter tube, which can also measure alpha radiation (e. g. radon gas/plutonium).
Lower-priced Geiger counters use counter tubes of lower quality and can only measure gamma radiation.

2. The health risks caused by increased radiation are particularly high for long-term exposure. This is the reason
why the Radiation Protection Ordinance does not feature short-term threshold values, but names
20 millisievert/year (=20,000 microsievert/year). For daily monitoring, it is practical to downscale the annual
value into an hourly value (to measure by minutes and seconds), but its main purpose is still to control the
cumulative value (cumulative dose). For this purpose, the device has to count and accumulate the values over
a long period of time, which is not possible if the Geiger counter only operates for an hour and is then
switched off. For continuous measurement, the battery needs to last for a long period of time. Therefore,
the device needs to have extremely low power consumption. The Gamma-Scout?s power consumption is so low
(approx. 10 microampere in basic operation mode) that the battery lasts for many years.
Physicists say that the determination of additional radiation exposure is only possible through long-term data
accumulation. Additional radiation exposure easily doubles people?s annual exposure
(from approx. 2 to 4 mSv/a) and occurs through, e.g., medical devices, flights (5 to 10 µSv/h, which is 25x to
50x higher than normal ambient radiation), and through vacations in higher altitudes or at
monazite-impregnated sand beaches.
To accomplish solid measurement results for these low radiation levels, the measurement time should be
at least several hours, or even better, several days.

3. Some users criticize that Gamma-Scout?s battery is not removable, but soldered to the device. There is a
good reason for this: With a removable battery, extremely low power consumption used by Gamma-Scout
would cause oxidized contacts , resulting in immediate contact interruption. This is why an uninterrupted
connection is indispensable.

4. The concept of Gamma-Scout, to operate with constant data accumulation, carries the important technical
advantage that semiconductors remain more stable in comparison to devices with operation interruptions.

5. There may be potential customers who are not interested in advanced features such as alpha radiation
measurement, data accumulation, impulse rate measurement, REM measurement, etc. Some people may
prefer a simple solution; a less sophisticated, lower priced (switch on, read, switch off) gadget. For these
potential customers, we have developed the Gamma-Easy - available at the lowest
price level one can offer for Geiger counters with reasonable measurement.

Gamma Scout Standard - Manual

Product weight: 0,15 Kg

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no ticker. I would recommend the alarm version.

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Question on item

Geiger Counter - General

If you own a Geiger counter, you will soon come across some terms that a Geiger counter owner has to deal with. There are complex relationships between the voltage activities to be measured and the properties of the respective device type. The following is a brief overview of the most important units involved in the topic of radioactivity. This way you can be sure that you interpret the numbers on the display correctly and then draw the right conclusions.

The unit of measurement Becquerel indicates how many atomic nuclei of a radioactive substance decay within a second. The half-life is the probability that an atomic nucleus will decay in the next second. If you want to determine the total activity of a substance, you multiply the amount of atomic nuclei that decay in one second by the number of atoms present.

dose rate
The dose rate indicates how much energy is stored per unit of time in a defined quantity of substance. In order to describe the harmful potential of radioactivity, the pure activity information is not sufficient; it must also be stated how much energy is deposited per unit of time in a substance. The dose rate is measured in joules per kilogram and second.

In medicine, on the other hand, people are not only interested in the energy that is deposited in a substance in a time interval, but above all in the biological damage it causes to human tissue. Since different types of radiation with their different energy ranges have a different damaging potential, the dose rate is weighted by a biological factor. The result is the so-called equivalent dose rate, measured in Sievert per second (Sv/s). The higher the equivalent dose rate, the higher the tissue-damaging potential of radiation.

Since one sievert per second already corresponds to a very dangerous irradiation, the tissue-damaging potential is often indicated in microsievert per second (µSv/s). For longer stays in radiating areas the radiation exposure is also indicated in microsievert per hour (µSv/h).

If the dose rate is added up over a period of time, the dose is obtained. The dose is given in Gray or Sievert. A flight from Berlin to Los Angeles, for example, produces a dose of 50 to 100 microsievert (µSv), which corresponds approximately to the dose produced by an X-ray of the chest. According to the Federal Office for Radiation Protection, the total effective dose of X-ray examinations is 1.6 millisievert per person per year in Germany (mSv).

annual dose
The annual dose for natural radiation in Germany is about 2 millisieverts per year (mSv/a). The annual dose can vary greatly for individual citizens, depending on their place of residence and lifestyle. The annual maximum dose for persons who are exposed to radioactive radiation in their profession is 20 millisieverts per year (mSv/a) in Germany. In the USA, the limit was set at 50 millisieverts per year (mSv/a). Even if the maximum annual dose here is quite high, it is worth keeping the annual dose as low as possible. General note: Always keep the exposure to radioactive radiation as low as possible; for the sake of your health!

A Geiger counter measures the number of radioactive decays of a substance. The value shown on the display is the higher the more decays a material produces. If the radiation meter has a ticker, the radiation intensity can even be made audible. The shorter the distances between the individual clicks, the higher the decay rate.

The most important component of a Geiger counter is the so-called Geiger-Müller counter tube. This consists of a metal shell, a cathode and an anode. The tube itself is filled with a gas (often inert gas). If the thin wire in the middle is now energized (500 volts or more), it can attract the electrons that are released when radioactive particles disintegrate. The contact of electrons with the inert gas of the Geiger-Müller counter tube makes the gas briefly conductive, thus closing the circuit. If the Geiger counter has a loudspeaker, a click sound is generated during this process.

In addition to the Geiger meters with Geiger-Müller counter tube, there are also models with semiconductor detectors. These models can not only determine the number of decays of a substance, but also the energy of the incident radiation. In addition, Geiger counters based on semiconductor technology have a very long service life and low energy consumption.

Gamma Scout Basic

No, the standard model has no loudspeaker and also no alarm and ticker function. Access the Alarm, Rechargeable or Online models when you need an alarm or ticker function.

No, there is a soldered battery in this device. However, the device can be operated with this battery for up to 10 years. Should it nevertheless become necessary to change the battery, you are welcome to contact us. We will be happy to change the batteries for you.

Gamma Scout - General

You should choose a gamma scout if you want to be sure that your environment is free of ionizing radiation. Since the Gamma Scout detects even the smallest radiation values, you can use it to check all rooms in your house, apartment or workplace for radioactive contamination.

Even if you work in a company, research institution or public authority, the acquisition of a gamma-scouts is highly recommended. As soon as you or your employees are exposed to increased radioactive radiation, the Gamma Scout helps you to keep an eye on radiation exposure.

The Gamma-Scout reliably measures values between 0.01 and 5000 micro-Sievert per hour. The manufacturer has set the alarm threshold at 5 micro sieverts/hour. Although 5 µSv/h do not represent a life-threatening dose, this value is not completely harmless in the long run. You can adjust the alarm threshold as required. Many customers even set the alarm threshold to 1 µSv/h in order to be informed about possible dangers as early as possible.

A few raindrops don't bother the device. However, the device is not suitable for measurements under water. The device should also not fall into a puddle, as this could lead to a short circuit.

The device is delivered fully calibrated and has been tested by a government institute. Therefore, there is usually no need for further calibration. However, the situation is different for commercially used devices: The legislator prescribes that commercially used Geiger counters must be recalibrated every two years. If you have any further questions about calibration, please feel free to contact us. We are happy to advise you!

The invention of the Geiger counter was invented by physicists Hans Geiger and Walther Müller. An indispensable part of the Geiger counter is a pipe filled with noble gas (usually krypton or argon), through the middle of which a wire leads. The wire is energized for a measurement (approx. 400-500 volts). If radiation hits the noble gas inside the tube, electrons are released that change the current flow. The changed current flow provides information about the type of radiation and the intensity.

As a rule, the data can be easily transferred to a PC with a Windows operating system and evaluated using Microsoft software. Gamma Scout is only partially compatible with other operating systems and other software. If you have programming skills, the data can also be read out with other software.

There are sometimes external influences that can distort a measurement. Mobile phones are an important source of interference. If you hold a switched on mobile phone close to the Geiger counter, the measured values may be falsified.

For short-term measurements, the values may be subject to fluctuations. You can also use the gamma scout to determine daily and weekly averages. These values then give a more precise overview of the average total load than a short-term measurement.

The Gamma Scout records all registered pulses and can store up to 100,000 measured values. If the memory is full, you can also delete the data. Read more about the delete options in the manual.

Yes, the Gamma Scout is shockproof. The shock-resistant outer shell is considerably thicker than that of comparable devices. The device has been tested for impact and fracture resistance and meets all applicable standards and norms.

The Gamma Scout is available in different versions. The version with rechargeable battery can be recharged as often as you like (Gamma-Scout-Rechargeable). The battery-operated version has a service life of up to 10 years, depending on the degree of utilization. However, since the battery is firmly attached to the device, the battery cannot be easily replaced. If damage occurs to the battery within the warranty period, the warranty will be effective in most cases. If an exchange should become necessary at a later date, we will gladly take over this task for you - at a fair price.

Gamma-Scout offers a two-year warranty for manufacturer-related defects. This does not include any defects caused by the customer himself after delivery

Private individuals as well as employees from companies, industry and authorities are interested in Gamma Scout. An important group of customers are, for example, government officials who take care of the security of the population. This includes police officers, the Technical Relief Agency and the fire brigade. Hospitals and research institutes also sometimes need meaningful data on whether and to what extent radiation exposure is present.

Among the private individuals who buy a Geiger counter, there are often craftsmen and hobby researchers. In addition, there are also people who assume that increased radiation levels can be found in their surroundings.

The Gamma-Scout can measure alpha, beta, gamma and X-ray radiation. Since radon gas releases alpha radiation during decay, you can also record the radon exposure (decay isotopes of the radon) in the house, cellar or workplace.

Yes, the Gamma Scout registers every change in background radiation. The measurements are highly accurate. The fluctuations in the measured values are less than 1 percent. This is the reason why the Gamma-Scout allows you to detect even the smallest changes in the radiation values in the soil, in your garden or in your house.

Since the instrument has a memory function, the values can be easily compared even after longer measurement series. You can transfer the measured values to a PC, where you can evaluate the data. An evaluation software is included with all Gamma Scout devices. An equally useful feature is the warning function of the gamma-scouts.

If the measured values exceed the maximum value you have specified, the Gamma Scout will alert you to this fact by means of a warning tone (this applies to all Gamma Scout models except the Gamma Scout Standard!).

There is always a certain radiation risk in Germany. The reactor disasters at Chernobyl and Fukushima have shown that there are sometimes catastrophes that nobody could foresee. In addition, so-called near-catastrophes occur on a regular basis, which are often only discovered late in the media. But even without reactor catastrophes, we are constantly exposed to a certain amount of radioactive radiation. Be it the natural radiation from outer space or the radiation of radioactive substances in our soil. The radiation exposure in Germany varies greatly depending on the place of residence. The Gamma Scout is the best choice for those who want to be sure of the stresses and strains they are actually exposed to.

The Gamma Scout displays the measurement data in micro sieverts per hour (µSv/h) on the display (dose rate). Sievert is a unit of measurement used to determine radiation exposure to living organisms. The biological effectiveness of the radiation depends on the type of radiation and the radiation energy. 1 Milli-Sievert (mSv) = 1000 Micro-Sievert (µSv) = 0.001 Sievert (Sv).

The measured values can also be displayed in the SEM unit. REM is the former term for the equivalent dose and has not been used since 1985. However, if you want to compare old measurements with today's values, this task can easily be accomplished with the Gamma Scout.

The biological effectiveness of ionizing radiation depends on the type of radiation and the radiation energy. The longer an organism is exposed to radiation, the greater the risk of damage to cells.

The Gamma-Scout therefore not only displays the load in micro sieves per hour, but can also display the data in a bar chart. Another particularly useful feature is that it indicates the maximum duration of exposure to the radiation currently measured. In this way, you always have an overview of all important values and are warned by the gamma scout with a sound signal as soon as certain maximum values are exceeded (All models, except Gamma Scout standard).

The Gamma Scout can also measure exposure to radon gas in households. Radon releases alpha radiation during decay. This is measured by the Gamma Scout. The Gamma Scout also measures beta, gamma and X-ray radiation.

If you take the Gamma Scout on a flight, you will find that the radiation exposure at high altitude is 4-5 times higher than on Earth. Since the Gamma Scout complies with all CE and FCC standards, you can easily take it on a flight.

The Gamma Scout works with different acoustic signals to provide the user with up-to-date information (all models except Gamma Scout standard). On the one hand, there is the signal that sounds when the set maximum dose is exceeded. With this signal, the gamma scout warns you that the maximum dose has been exceeded. Another signal, the so-called acoustic cascade, makes a change in the radiation values audible. The acoustic cascade not only informs you that a radiation is present, but also informs you of the extent to which the radiation is changing.

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