Dosimeters, radiometers
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 Dosimeter-radiometer MKS-05 "TERRA" (new version)


11100 UAH

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MKS-05 "Terra-N" 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 with date, alarm clock, timer, vibration signal, illuminating of display and sound alarm are realized in a dosimeter. In a dosimeter the values of threshold levels for dose rate of gamma-radiation, accumulated dose and surface flux density of beta-particles are programmed. A dosimeter is given single tonality sound or vibration 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. Additionally, the screen displays the type of radiation being measured, its magnitude and intensity, the current measurement error in %, time or timer, battery power, the threshold beyond which the alarm will be activated.

A dosimeter is used for dosimetric survey on industrial enterprises and homes, 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 an improved version of the dosimeter MKS-05 "TERRA" - they have identical measuring circuit, but MKS-05 "TERRA-H with bluetooth" has much more functionality settings, processing and visualization of results. Thanks to the built-in memory allows you to log dosimeter measurements and store custom settings when power is turned off. The dosimeter is included in the State Register of measuring equipment in Ukraine and in the case of official measurements is subject to periodic check with frequency not less than 1 time per year. This model of dosimeter has a connection with a computer, which is used for transfer the log measurements in off-line mode (the special software is supplied in a complete set with a device). 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
yes (1200 results)
Communication with PC
connection with PC
Additional functions
alarm clockvibration
clock + alarm clock, timer, vibration signal
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)