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VIRTUOSO Radiometer

VIRTUOSO Radiometer

Multipurpose environment activity radiometer RKG-14

VIRTUOSO – an innovative device that joint a unique line of “ECOTEST” TM products started by FoodTester-G

  • Works with Android smartphones and tablets via Bluetooth
  • Quickly checks radiation purity of the environment, food, soil, construction materials, mineral raw materials, housing
  • The product and its packaging remain undamaged
  • Does not require special containers for samples

Supplied after metrological testing

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Description

VIRTUOSO is a compact-size device for comprehensive radiological examination of food, soil, construction materials, etc. It can be used for official measurements for environmental studies, radiological control of agricultural products, in construction, mining, logging and woodworking industries, as well as for educational programs.

The device is designed to detect cesium radioisotopes and naturally occurring radioactive materials (potassium, radium, thorium), as well as to assess their specific, volume and surface activity.

Thanks to the use of the brand new technology, you can now control cesium radioisotopes and naturally occurring radioactive materials not only in specialized laboratories, but at home without help of professional radiologists! More

VIRTUOSO works with the Android-based smartphones and tablets via Bluetooth. The device is portable and practical, it does not require special users training and operates in the interactive mode.

Creating a new concept of radiation control, we have simplified the process of measurement with no loss of measurement quality, but on the contrary, we have improved and expanded measurement capabilities of the device. In contrast to the time-consuming and cumbersome traditional methods of monitoring radiation contamination, VIRTUOSO performs measurement by simply putting it to the object, or even by holding the instrument in your hands in a certain place that you want to check for contamination. Thus, the item and its packaging remain undamaged.

With VIRTUOSO you can easily check radiation purity of:

– soil

– construction materials

– mineral raw materials

– wood

– housing

– vehicles

and such food as:

– baby food

– water, milk

– meat, fish, eggs

– fresh vegetables, fruit

– grain, cereals

– dried foods

– dried herbs (tea).

 

Purpose of Use

Purpose of Use

  • Detection of 137Cs and 134Cs cesium radioisotopes (hereinafter -radiocesium) in food and objects of the environment;

  • Evaluation of the detected radiocesium content in the quantities of specific, volume and surface activity;

  • Control of the level of background radiation in the environment, including assessment of radiocesium radiation level as the value of ambient dose equivalent rate purely from radiocesium as the part of natural background;

  • Measurement of specific and volume activities of naturally occurring radioactive materials 40K, 226Ra, 232Th (hereinafter NORM) in the objects of the environment.

  • Track recording with measuring points referenced to geographical coordinates.

Features

  • Portable, practical.

  • Requires no special training of the user, operates in the interactive mode.

  • Does not require sampling – measurement is done by putting the device to the tested object (material, product, soil, etc.), or by holding it over the studied surfaces.

  • Requires no special preparation of the food sample (the product remains inside its packaging).

  • Requires no special protection.

Specifications

Name

Unit of measurement

Standardized value

Measurement range of specific activity of radionuclides 137Cs,
134Cs in the objects of the environment in geometries “2π”, “4π”

Bq/kg

50 – 200 000
Main relative permissible error limits of measurement of specific activity of radionuclides 137Cs,
134Cs in the objects of the environment in geometries “2π”, “4π”, Р=0.95

%

± 35
Estimation range of surface activity of radionuclides 137Cs, 134Cs in the objects of the environment Bq/m2 500 – 1 000 000
Measurement range of the effective specific activity of naturally occurring radionuclides 226Ra, 232Th, 40K in the objects of the environment in geometries “2π”, “4π” Bq/kg 200 – 20000
Main relative permissible error limits of measurement of the effective specific activity of naturally occurring radionuclides 226Ra, 232Th, 40K in the objects of the environment in geometries “2π”, “4π”, Р=0.95 % ± 35
Measurement range of gamma radiation ambient dose equivalent rate from 137Cs, 134Cs μSv/h 0.001 – 10
Main relative permissible error limits of measurement of gamma radiation ambient dose equivalent rate from 137Cs, 134Cs, given Р=0.95 % ± 20
Unstable readings of the radiometer during 8 hours of operation, not more than

%

5
Measurement range of gamma radiation ambient dose equivalent rate H*(10) μSv/h 0.01 – 50.00
Main relative permissible error limits of gamma radiation ambient dose equivalent (DER) measurement, given P=0.95 % 15+1/H*(10),
where H*(10) – is a numeric value of gamma radiation DER, μSv/h
Sensitivity to gamma radiation for 137Cs, 134Cs, not less than  (pulse/s) /(μSv/h)  500
 Energy dependence of readings for energies 59 keV (241Аm), 1.3  MeV (60Со) and 0.66 MeV (137Cs)  %  30
Dependence of sensitivity from the angle of recorded radiation incidence (anisotropy), does not exceed % 30
Number of amplitude gamma spectrum channels 1024
Setup time of operating mode of the device – not more than min 1
Time of continuous operation with fully charged storage batteries at gamma background (not more than 0.5 μSv/h) – not less than hours 24
Operating temperature range °С -20 – +50
Ingress protection rating IP54
Dimensions of the detecting device, not more than mm 114×36×83
Weight of the detecting device without case (with the installed battery) kg 0.352
Download operating manual

Virtuoso application provides:

  • information about the status of the detector, dosimetric and spectrometric data which is transferred via Bluetooth from Virtuoso detecting unit to a smartphone or a tablet (Android-based);

  • display of gamma radiation dose rate and amplitude gamma spectrum in graphical view;

  • detection of cesium isotopes in food, soil and wood, evaluation of their specific/volume and surface activities, evaluation of dose rate from cesium;

  • detection of naturally occurring radioactive materials (K, Ra, Th), evaluation of their specific/volume activities;

  • individually setup track recording with measuring points referenced to geographical coordinates;

  • possibility to view tracks on the smartphone/tablet or on the PC (after exporting into .KMZ file) via Google Earth or Google Maps applications;

  • possibility to check the measurement quality of the device using standard metrological samples in Marinelli vessels;

  • both beginners (simplified display of measurement progress in the “Found-Not found” mode) and experts (display of activity spectrum and trends) can operate the device;

  • reports about measurement with possibility to add geographical coordinates to them and their transfer to the PC via USB connection, Bluetooth, email, etc.;

  • automatic adjustment of the detector’s spectrometric parameters at each measurement, device calibration in a separate mode;

  • making and receiving calls, sending and receiving messages, starting and using other applications, etc., without interrupting the process of measurement and loss of data.

Virtuoso application can be installed on the Android smartphone or tablet which features the following:

1. Bluetooth module on the Android device;
2. Android OS version 2.1 or newer;
3. Touchscreen interface.

Virtuoso application is available at Google Play for free download.

 

Virtuoso advantages compared to FoodTester-G

  • A new technology of scintillation detector has been applied using a semiconductor photomultiplier, which provided for:

    – High temperature stability

    – No microphone effect.

  • 2.5 times bigger volume and sensitivity of the detector, which provided for:

    – Significantly reduced measurement time

    – High repeatability of measurement results.

  • New functional capabilities:

    – Determination of activity of naturally occurring radioactive materials

    – Evaluation of the dose rate component of cesium radionuclides in the background radiation.

  • Improved processing algorithms of gamma amplitude spectra.

  • Built-in lithium-ion battery of standard size AA which, in contrast to the previously applied NiMH battery, allows recharging at any time.

Advantages of the new method of radiation monitoring compared to the traditional one

Traditional methods and devices of monitoring of environmental contamination by radiocesium require expensive equipment, troublesome and time-consuming operations, such as:

  • – Samples should be taken from the studied material of 0.5 l or 1,0 l, which is not always possible (destroys the integrity of the tested object);
  • – Sample material should be crushed to be placed in an inconveniently-shaped vessel of 0.5 or 1,0 l (inconvenient, messy and sometimes just impossible);
  • – Selected samples should be brought to the laboratory, where the spectrometer-radiometer operated by a specially trained operator is located;
  • – A vessel with sample should be placed in a lead shielding for measurement;
  • – Before placing the vessel with sample for measurement, it is necessary to measure the background radiation level without it (long measurement time required – from tens of minutes to several hours);
  • – Measurement of the very sample placed in a lead shielding is also rather time-consuming (from tens of minutes and longer);
  • – Despite all these troubles, you are not safe from blunders in case the sample have been taken from a wrong place (when contamination is uneven).

Creating a new concept of radiation control, we have simplified the process of measurement with no loss of measurement quality, but on the contrary, we have improved and expanded measurement capabilities of the device.

VIRTUOSO performs the same task on activity measurement  with the following advantages:

  • – Everything is measured without sampling, i.e. by simply putting the device to the tested object (material, product, soil, etc.) or by holding it over the studied surfaces;
  • – The studied object does not require advance preparation, no need to waste and destroy materials or packaging;
  • – The study is done immediately on-site, no need to take samples to laboratories;
  • – A professional radiologist and an inexperienced user can both be a measurement operator;
  • – No need in any bulky lead shielding in the process of measurement;
  • – No need to waste time measuring background at all, this task is solved in a fundamentally different way;
  • – Measurement time has been minimized, the approximate result becomes available in 5 seconds, and then measurement continues to obtain more accurate values;
  • – Not a small material sample taken from a random place is being examined, but quite a large area at once, which increases the monitoring quality and reduces the risk of overlooking local contamination.
Download operating manual

Delivery Kit

  • RKG-14 "VIRTUOSO" multipurpose environment activity radiometer
  • Leather case
  • Charger
  • Transport case
  • Passport
  • Packing box
  • The software is available for free download
  • Android smartphone or tablet is not included in the standard delivery kit, but can be included upon customer's request (at extra cost)
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