Dosimeters, radiometers
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 Dosimeter-radiometer MKS-05 "TERRA"


9396 UAH

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MKS-05 "Terra" kit

Dosimeter-radiometer is intended for measuring ionizing radiation including dose rate of gamma-radiation, accumulated dose and surface flux density of beta-particles. Additionally the functions of clock, timer and illuminating of display are realized in a dosimeter. A dosimeter also shows discharge of power supply elements. In a dosimeter the values of threshold levels for dose rate of gamma-radiation (default value: 0,3 mkSv/h), accumulated dose and surface flux density of beta-particles are programmed. A dosimeter is given single tonality signal (may be swithed off) at the hit of gamma-quantum or beta particle in a detector and signal of two tonalities at exceeding of the programmed threshold levels. When power is switched off, from the memory of the dosimeter deleted user settings and restore the factory settings, which is useful for beginners and / or inexperienced users.

A dosimeter is used for dosimetric survey on industrial enterprises, for ecological researches, for control of radiation cleanness of dwellings apartments, buildings and premises, adjoining to them territories, objects, clothes, building materials, surface of soil on the small holdings, transport vehicles, money and coins, for the estimation of radiation contamination of forest berries and mushrooms, fish and meat, as a visual aid for educational establishments and servces of CD.

This dosimeter is the analogue of household dosimeter MKS-05 "TERRA-P+", however professional MKS-05 "TERRA" has a less measuring error for dose rate of gamma-radiation, and submitted to the State Register of measuring instruments of Ukraine. In the case of perform of the official measuring a dosimeter is subject a periodic check with frequency not rarer than 1 time per a year. A leather cover supply for free for carrying of device on a belt and protect of him from dirt, splashes of water and hits.

Detector type / (quantity)
Geiger tube
SBM-20 / (1)
Measurement of equivalent dose rate (EDR) of gamma-radiation
0,1 - 9999 mkSv/h
Measurement error for EDR of gamma-radiation
15 and more
Measurement of accumulated equivalent dose (ED) of gamma-radiation
accumulated dose
1 mkSv - 9999 mSv
Measurement error for ED of gamma-radiation
15 and more
Registered energies of gamma-radiation
50 keV - 3,0 MeV
Flux density of beta-particles
10 - 100 000 part./(cm2*min)
Measure error for flux density of beta-particles
20 and more
Registered energies of beta-radiation
0,5 - 3,0 MeV
Range of working temperatures
Index of protection
Time of work from one set of batteries
2000 hours
Type (number) of battery
AAA (2)
Build-in memory
Communication with PC
Additional functions
clock, timer
Overall sizes
5226120 mm
150 g
Estimated period of service
6 years
Guarantee term of exploitation
18 month
Sertification (periodic check)
state calibration
yes (12 month)