Purpose of use
  -  Measurement of gamma radiation equivalent dose rate.
  -  Measurement of gamma radiation equivalent dose.
  -  Evaluation of surface contamination by beta radionuclides.
  -  Clock, alarm clock.

Household aplication
  -  Apartment, building and construction control; personal radiation safety; ground-surface continuous territories control; and vehicles control.
  -  Evaluation of radiation contamination of farm products.
  -  Visual aids for educational institutions.

Features
  -  Three independent measuring channels with alternate indication of data on the single liquid crystal display.
  -  Built-in gamma, beta sensitive Geiger-Muller counter.
  -  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.
  -  Digital display.
  -  Two AAA size batteries.
  -  Four-level indication of battery discharge.
  -  Shock resistant frame.
  -  Small weight and dimension parameters.

Specifications
Measurement ranges and basic relative errors:
  -  Gamma radiation equivalent dose rate (137Cs) µSv/h 0,1...999,9; ±25%
  -  Gamma radiation equivalent dose (137Cs) mSv 0,001...9 999; ±25%
  -  Beta-particles flux density with possible evaluation of surface contamination by beta radionuclides (90Sr+90Y) 1/(cm2-min) 10...100 000;

Energy ranges of measurement and energy dependence:
  -  Gamma radiation   MeV 0,05...3,0; ±25%
  -  Beta radiation   MeV 0,5...3,0;
  -  Measurement time intervals   seconds 5...70
  -  Battery life   hours   6 000
  -  Operating temperature range   oC -10...±50
  -  Weight   kg   0,15
  -  Dimensions   mm   120x52x26