NOS and TESTED Geiger Muller Tube Counter
(from USSR military store)
SBM-20 / SBM20 / СБМ-20 (an. STS-5, SI22G)
Radiation detector (counter)
Geiger Muller Tube Counter SBM-20 / SBM20 / СБМ-20 (an. STS-5, SI22G) for ionizing radiation detection.
Can detect beta and gamma radiation.
400 V operating voltage.
105 mm overall length.
Gold (brass) color.
Symmetric end caps.
Positive terminal isusuallymarked ‘+’, but if not,
it’s the end closest to the "CBM-20" marking.
Geiger Muller Tube Counters SBM-20 / SBM20 / СБМ-20 (an. STS-5, SI22G) are widely used for radiation detection:
- Ionizing Radiation Detection
- Dosimeters / Radiation Counters
Interesting and informative video about SBM-20
LND712 vs the SBM-20 - YouTube
Video will open in a new window
General SpecificationsGas Filling
Ne + Br2 + Ar
Stainless Steel, 50 mkm
Maximum Length (mm)
Effective Length (mm)
Maximum Diameter (mm)
Effective Diameter (mm)
Operating Temperature Range 0C
Minimum Anode Resistor (meg ohm)
Recommended Anode Resistor (meg ohm)
Recommended Operating Voltage (volts)
Operating Voltage Range (volts)
350 - 475
Initial voltage (volts)
260 - 320
Plateau length (volts)
at least 100
Maximum Plateau Slope (%/100 volts)
Minimum Dead Time (at U=400V, micro sec)
Working range (mkR/s)
0.004 - 40
Working range (mR/h)
0.014 - 144
Gamma Sensitivity Ra226 (cps/mR/hr)
Gamma Sensitivity Co60 (cps/mR/hr)
Inherent counter background (cps)
Tube Capacitance (pf)
at least 2*1010
- 1 piece Geiger Muller Tube Counter SBM-20 / SBM20 / СБМ-20
- Defective items must be reported and
returned to us within the warranty period (and in the original
packaging, if possible). You must tell us what the defect is and give
us your id. we do not repair or replace items with an expired
warranty. You agree to all of the above-listed policies upon offerding on
and winning this sale!
- The warranty excludes neglect (item has
signs of mechanical damage, liquid penetration etc) or unauthorized
repair. Warranty labels need to be intact. Avoid dirt accumulation on
dosimeter. Clean with soft fry fabric. While use in rain use special
- Buyer pays for returning the item for
- We accept payment via PAYPAL and money transfer systems (e.g.WU).
- Payment must be made within 3 days of
- Total amount due includes the final sale
price plus Shipping.
- Shipping will be determined based upon the
SHIP TO address.
PLEASE NOTE! Shipping does not
include duties, local taxes or any other importation fees
We ship to any country. This
item will be shipped to you from Europe (Ukraine) via registered
airmail (or groundmail) with tracking number and full insurance within
3 days (except for the weekends and holidays) after the payment is
fully received. Shipping to confirmed PayPal address only. If you want
your purchase to be shipped to other address, please, notify us via
personal messages or in the message to the purchase.
Typical Delivery Time
- European Countries:
about 7-10 days;
- USA, Japan & other:
about 10-14 days
Delivery time may increase because of postal services and/or customs.
Please, don't worry and check location of your parcel using provided
In spite of delays all lots have been successfully delivered!
Returns / Refunds
- You have 3 days to contact us and 5 days to
return decice from the date it was received. If this item is in your
possession more than 3 days, it is considered used and we will not
issue you a refund or replacement. There
are no exceptions!
- All returned items must be in the original
packaging and you must provide us with the shipping tracking number,
specific reason for the return, and your ID.
- We will refund your full winning offer
amount, upon receipt of the item in its original condition and
with all components and accessories included, after both
Buyer and Seller cancel the transaction from
or you may choose to
have a replacement.
- Return shipping is to be paid by the Buyer
Attention! Important information.Dear customer, we thank you for your interest in our products!Please, pay you attention to the following.We know that many countries have customs duties.
Therefore, whenever we send packages to our customers, we ALWAYS use the following algorithm:
1. WeALWAYSattach to our goods a customs declaration in which the cost of the goods/parcelDOES NOT EXCEED $ 20!Therefore, if you buy any product in our shop with a value exceeding $ 20 (or you buy several goods with a total purchase price of more than $ 20), you should know thatWE ALWAYS REDUCE THE CUSTOMS VALUE OF THE GOODSand indicate the cost of the goods/parcel in the customs declaration alwaysNO MORE THAN $ 20.
2. WeALWAYSput a"GIFT"mark on our parcels in customs documents.
3. If the real value of the goods exceeds the price of $ 20, thenWE NEVER ATTACH AN INVOICEto our goods/parcelsINDICATING THE REAL VALUE OF THE GOODS. We attach to our parcels customs documents in which the value of the goods is indicated asEQUAL TO $ 20.If any other laws apply in your country, please let us know. We will indicate in the accompanying customs documentation any value of the goods (even $ 10, if necessary), we will also indicate in the customs documentation any description of the goods that you tell us.
4. We alwaysSHIPour packagesWITH TRACKER NUMBER.Therefore, you can track your purchase at any point along the route from our store to your home!
5. In each of our parcels we put a small gift for our customer.This gift is a discount card for a trip to the Chernobyl exclusion zone. Therefore, if you want to visit the Chernobyl exclusion zone, write to us about it! We are happy to organize for you a magnificent and unforgettable tour to Chernobyl and Pripyat.
Buying goods in our store -- you can be calm.You do not have to pay additional fees or customs duties when you receive the goods in your country and you can always track the location of your package.
Have a nice shopping!