Radiation detector dosimeter geiger counter english

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DOSIMETER-RADIOMETER MKS-05 TERRA-P - ENGLISH VERSIONDear visitors!
The TERRA-P dosimeter is intended for household application for:
* apartment, building and construction control;
* ground-surface continuous territories control;
* means of transport control;
* personal radiation safety;
* evaluation of radiation contamination of farm products.
* The "TERRA-P" dosimeter-radiometer is recommended by the Scientific-Methodical Council under the Ministry of Education of Ukraine for use in educational process in secondary schools and higher educational institutions.
* Measurement of gamma radiation equivalent dose rate.
* Measurement of gamma radiation equivalent dose.
* Evaluation of surface contamination by beta radionuclides.
* Three independent measuring channels with alternate indication of data on the single liquid crystal display.
* Automatic setting of measurement intervals and ranges.
* Audio signalling of each detected gamma-quantum and beta-particle.
* Programming of audio alarm threshold level relative to gamma radiation dose rate.
* Four-level indication of power supply discharge.
* Small weight and dimension parameters.
* Built-in gamma, beta sensitive Geiger-Muller counter.
Measurement ranges and basic relative errors:
- Gamma radiation equivalent dose rate
- Gamma radiation equivalent dose
- Beta-particles flux density with possible evaluation of surface contamination by beta radionuclides (90Sr+90Y)
Energy ranges of measurement and energy dependence:
Radiation is a form of emission that changes the state of nuclei and atoms, transforming them into electrically charged ions and products of nuclear reaction. Different forms of radiation have different penetration ability, therefore they unequally affect our organism.
Alpha radiation is a stream of positively charged particles (nuclei of helium atoms), which move at the speed of about 20 000 km/sec. Alpha radiation is absorbed by a sheet of paper and it hardly penetrates the human's skin. But it is dangerous when particles get into the body through food, air or wounds. The range of alpha particles in the air is 11 cm, and in soft tissues - a few microns.
Beta radiation is a stream of negatively charged particles (electrons) with the speed close to the speed of light. Beta radiation can penetrate the human's skin at the depth of 1-2 centimeters, but everyday clothes are already an enough protection. Beta particles have different energy so their range in the air is not the same varying from a few meters to a centimeter.
Gamma radiation is a short-wave electromagnetic emission. Its properties are rather similar to those of X-rays, but it has far higher speed and energy, spreading with the speed of light. Gamma radiation has great penetration ability but can be weakened by walls of buildings and metal constructions.
There are many ways of radionuclide migration in the environment. The consequence of such processes is pollution of soil, water, trees and plants as well as irradiation of people and animals.
The most saturated with heavy metals are the lands of Kyiv, Zhytomyr, Zaporizzhya, Luhansk and Rivne regions.
As for the pollution of plants, this happens because of their absorption of radioactive isotope contained in soil and water.
Different plants are characterized by different ability to accumulate radionuclides. Plants that need a lot of moisture accumulate radionuclides in especially large quantities. As for crops, the largest quantity of radionuclides is in beans. Corns and roots accumulate less radionuclides. Potatoes contain even less. Among berries, blueberries and cranberries accumulate the largest quantity of radionuclides; ashberries and viburnum accumulate less. Radioactive substances in wood are concentrated mostly in the outer layers therefore dressed trunks should be used for household purposes. One should not use branches, especially those of the conifers.
Herding cattle on radiation-polluted herbage leads to the increase of radionuclides in milk and meat. Since self-made products are mostly consumed in rural areas, the probability of uncontrolled accumulation of radiation in the human organism increases. Lack of sanitary-epidemiological control over such products escalates the threat.
Another way a person can receive an extra radiation dose is living in houses and apartments built from polluted construction materials. Be sure to check for radiation safety those materials that are used for Your houses or apartments.
Household TERRA-P dosimeter is designed by the Scientific and Production Private Enterprise "Sparing-Vist Center". It helps to locate and therefore to avoid the "harmful presence" of radiation that has already assumed real shapes.
MKS-05 "TERRA-P" dosimeter-radiometer;
A leather case, used to carry the device on a waist-belt or wristlet can be ordered at extra cost.
30 days guarantee by SELLER-ONLINE: I guarantee you complete satisfaction with all my high quality products. If you receive an item you did not order or if an item you ordered is received damaged or defective, I will refund you the price you paid for it or replace it with identical one. Seller-online accept returns in U.S.A. The address is: Protek Trading Company P.O. Box 484 San Pedro, CA 90733 USA NO OTHER REASON FOR RETURNING EXCEPT THE ABOVE MENTIONED IS CONSIDERED! The item should come to the above address within 30 days after you received it. After 30 days we will no longer be responsible and the item won't be taken back! Item for returning must have the original tags and packing, otherwise it won't be accepted.