Professional geiger counter 4pc sbm-20 1pc Beta-2 mica window geiger countr tube

Description

For sale Professional Beta, Gamma and light Alpha geiger counter with 5 geiger counters  (4pc sbm-20 and 1pc Beta-2 mica window geiger countr tube)
Have to say, this is one of the best geiger counters i ever had.
Set Includes:
1) Geiger counter MKS-1E
2) Great case (manufacturer Polaris)
3) Manuals, Calibration certificate  (2009)
4) 2 probes (first one with 4pc. sbm-20 geiger counter tubes, second one with Beta-2 pancake geiger counter tube with 46.2mm mica window)
5) Extanding wand (42cm when closed and 1 meter long when opened)
6) PC, conective cable with usb adapter
7) Screwdriver with voltage tester.
Technical Characteristics
Mesuring regimes, ranges and accuracy
Gamma and Roentgen (X-ray)  Cs137 (
equivalent dose rate
) - 0.1-1000 mkSv\hour +\- 15%
Gamma and Roentgen
(X-ray)  Cs137 (
equivalent dose) - 0.01-999 mkSv
+\- 15%
Beta particle flux density (90Sr+90Y) 1/(sm2xsecond) 0.1-700
+\- 15%
Beta and gamma Mev 0.05-3.0
Bets Mew 0.5-3.0
You can choose measuring in: mkRoentgen\second,
mkRoentgen\hour,
mkZv\second,
mkZv\hour,
parts per sm2xsecond,
parts per m2xsecond
Measuring time can be chosen manually from 0.5 till 60 seconds
Battaries: 5pc. AAA standard.
Working temperature: -20 + 40C (can also work at -50 +50C. but accuracy range may differ)
Dimensions:
mesuring block 100x85x55mm
Beta block 80x170mm
Gamma block 50x250mm
Weigh: mesuring block 0.4kg
Beta block 0.6kg
Gamma block 0.5kg
All set Weigh: 3.5kg.
Geiger Counter is new, not used from stock 2003. (Was storaged in a warm place).
If you have any questions, please do not hesitate to contact me.
Will be well packed and shippe by ai mail with tracking number