NOS and TESTED Geiger Muller Tube Counter
(from USSR military store) 
 SBM 21 / СБМ-21   (an. SBM-10 / СБМ-10, SBM-20 / СБМ-10, J32, J705)

Radiation detector (counter)

Description

Geiger Muller Tube Counter SBM-21 / СБМ-21  (an. SBM-10 / СБМ-10, SBM-20 / СБМ-20) for ionizing radiation detection.
Can detect beta and gamma radiation.
360...420  V operating voltage.
21 mm overall length.
Sylver color.

Purpose of Use

Geiger Muller Tube Counters SBM-21 / СБМ-21  (an. SBM-10 / СБМ-10, SBM-20 / СБМ-20) are widely used for radiation detection:
  • Ionizing Radiation Detection
  • Dosimeters / Radiation Counters

Specifications

General Specifications

Gas Filling Neon + Halogen
Cathode Material Stainless Steel, 50 mkm
Maximum Length (mm) 21
Effective Length (mm) 16
Maximum Diameter (mm) 6
Effective Diameter (mm) 5.55
Connector Pin
Operating Temperature Range 0C -60 to +70

Electrical Specifications

Minimum Anode Resistor (meg ohm) 1.0
Recommended Anode Resistor (meg ohm) 3-15
Recommended Operating Voltage (volts) 400
Operating Voltage Range (volts) 350 - 420
Initial voltage (volts) 260 - 320
Plateau length (volts) at least 100
Maximum Plateau Slope (%/100 volts) 15
Minimum Dead Time (at U=400V, micro sec) 64
Working range (mkR/s) 0.004 - 40
Working range (mR/h) 0.014 - 144
Gamma Sensitivity Cs137 (cps/mR/hr) 9.6 - 10.8
Inherent counter background (cps) 0.2
Tube Capacitance (pf) 2
Life (pulses) at least 2*1010
Weight (grams) 0.8

Delivery Kit

  • 1 piece Geiger Muller Tube Counter SBM-21 / СБМ-21  (an. SBM-10 / СБМ-10, SBM-20 / СБМ-20)

Warranty

  • 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 ebay id. we do not repair or replace items with an expired warranty. You agree to all of the above-listed policies upon bidding on and winning this auction!
  • 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 case.
  • Buyer pays for returning the item for repair.

Payment

  • We accept payment via PAYPAL and money transfer systems (e.g.WU).
  • Payment must be made within 3 days of auction closing.
  • Total amount due includes the final auction 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

Shipping

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

NOTE: Delivery time may increase because of postal services and/or customs.
Please, don't worry and check location of your parcel using provided tracking number.
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 eBay ID.
  • We will refund your full winning bid amount, upon receipt of the item in its original condition and packaging
     with all components and accessories included, after both Buyer and Seller cancel the transaction from eBay
    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. We ALWAYS attach to our goods a customs declaration in which the cost of the goods/parcel DOES 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 that WE ALWAYS REDUCE THE CUSTOMS VALUE OF THE GOODS and indicate the cost of the goods/parcel in the customs declaration always NO MORE THAN $ 20.

2. We ALWAYS put a "GIFT" mark on our parcels in customs documents.

3. If the real value of the goods exceeds the price of $ 20, then WE NEVER ATTACH AN INVOICE to our goods/parcels INDICATING THE REAL VALUE OF THE GOODS. We attach to our parcels customs documents in which the value of the goods is indicated as EQUAL 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 always SHIP our packages WITH 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!