Russian Tiny Geiger Counter SBM-21 SBM-10 Lot of 10 NEW

Russian Tiny Geiger Counter SBM-21 SBM-10 Lot of 10 NEW

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Russian Geiger Counter SBM-21

Lot of 10 

New old stock.

Technical characteristics:

GM counter for hard betta and gamma radiation.

Weight - 0.8 gramme

Range of registering gamma radiation - 0.1 ... 1000 mkRoentgen/sec

Gamma sensitivity Cs137 -  6.5...9.5 pulses/sec at P=10 mkRoentgen

Working range - 350...475 Volts

Start of counting - 260...320 Volt

Length of counting plateau - at least 100 Volts

Pulses value - at least 50 Volt Plateau slope - 0.15 %/Volt

Dead time at 400 Volt power - 64 Roentgen/mksec

Maximum counting - no more than 650 pulses/sec

Background noise - no more than 0.2 pulses/sec -----------------------------------------------------------------------------

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Shipping Details

Shipping from Ukraine via Airmail with tracking number

Insurance is included to shipping cost

We offer combined shipping discounts

Shipping time
Europe 10-12 days
Germany, Italy 14-18 days
USA, Canada 12-15 days
Asia, South America 14-20 days
Australia, New Zeland 20-24 days
Africa, Central America 24-34 days



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