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Home Sensors X-Ray and Gamma-Radiation Detectors

X-Ray and Gamma-Radiation Detectors


  1. Wide range detector module for measuring the exposition dose rate of γ-radiation
  2. Emergency detector module for measuring intensive γ-radiation at NPP
  3. Detector module for monitoring and detection of radionuclides


The products are the detector modules which represent most important and technologically complex parts of any radiation meter and which can be easily integrated in any such device.

A special, innovative and competitive feature of the product is a material of the sensor: CdTe or CdZnTe (CZT) semiconductor compound. Its main advantages are high sensitivity at small size and operation at room temperatures. The own technology for manufacture and treatment of CdTe and CdZnTe crystals allows to create modern detectors which can be successfully applied in devices for registration, monitoring and measuring of X- and gamma-radiation.

Product number





CdTe (CZT)

CdTe (CZT)

CdTe (CZT)

Integrated electronics

charge sensitive preamplifier

current-voltage converter

spectrometry-grade charge sensitive preamplifier


X- and gamma-ray dosimetry

X- and gamma-ray dosimetry

X- and gamma-ray spectrometry

Measured parameter and meter range

dose rate:
from 0.1 μSv/h to 10 Sv/h

dose rate:
from 0.5 Sv/h to ~ 100 Sv/h

operating energy range
from 5 keV to 2 MeV
energy resolution 5 % (662 keV)


High efficiency of X- and gamma-ray registration (~ 30000 count / μSv)

Excellent analogue sensitivity ~ 2x10–3 C/Sv
High radiation resistance (up to 105 Sv)

Operation at room temperatures;
Small dimensions;
Allows qualitative evaluation of the different radionuclides contribution

Additional information


The cable connecting sensor and I/V converter can be up to 50 m long


Main Advantages

  • high sensitivity at small dimensions
  • operation at room temperatures
  • qualitative resolution of individual nuclides contribution

Areas of Application

  • nuclear energy — for dosimetry and monitoring of the NPP territory, for analysis of the isotope content and control of fuel rod tightness
  • geology — aerospace search
  • ecology — for monitoring of the environment
  • medicine — in X-ray and positron computer tomography, measuring the patient dose load at radiation diagnostics and therapy
  • scientific researches

Fig. 1

Stage of Development

Semicommercial sample

Contact Details

National Science Center “Kharkov Institute of Physics and Technology”
«TIDIS» - Department of technology transfer, innovation activity and intellectual property
Address: 1, Akademicheskaya Str., Kharkov 61108,Ukraine
Contact: Pugach Sergii Grygorovych
Tel/fax: +38 (057) 335-18-89
e-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it

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