TERRA Beta & Gamma Dosimeter Geiger Counter SBM-20 tube in + case! NEW! Boxed

Description

TERRA Beta & Gamma Dosimer Geiger Counter With SBM-20 tube + case! NEW! Boxed, Portable
Only black dosimeters left. Nice one, Portable. in Ukrainian language. Very easy in use just 2 buttons.
Dosimeters are new, never used 2011-12 year of manufacture.
I HAVE black dosimeters left, in Ukrainian language.
Technical characteristics:
Measurement ranges and basic relative errors:
-     Gamma radiation equivalent dose rate:     µSv/h     0.1…999.9;
-     Gamma radiation equivalent dose:   mSv 0.001…9 999;
-     Beta-particles flux density with possible evaluation of surface contamination by beta r    1/(cm²·min)    10…100 000;
Energy ranges of measurement and energy dependence:
-     Gamma and X-ray radiation     MeV    0.05…3.0;
-     Beta radiation     MeV   0.5…3.0;
Measurement time intervals     seconds     5…70
Battery life   hours      6 000
Operating temperature range     °C     -10…+50
Weight     kg     0.2
Dimensions     mm     120×52×26
Delivery kit
MKS-05 "TERRA-P" dosimeter-radiometer;
operating manual;
cardboard box;
leather case.