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GEIGER MUELLER TUBES and RADIATION DOSIMETERS
 
RADIATION DOSIMETER DRSB-01 Geiger Counter 
PLEASE, CLICK here to SEE OPINION about THIS DOSIMETER from Senior Research Scientist Adjunct Professor of Computer Science Associate Director Artificial Intelligence Center The University of Georgia (USA) .

There are videos about experience with this dosimeter.

ABOUT DOSIMETER:

These dosimeters are unused from old stock.The DRSB-01 radiation dosimeter gives audible and visible indications of elevated levels of radioactivity (ionizing gamma rays and hard beta-rays).  You can use it to check the background radiation in a house or workplace and check for contaminated products or food.  The device itself does not emit radiation and does not have any harmful effect on the user or environment.

This dosimeter contain a Geiger Counter.

 - The minimal radio-activity (natural, background)  which  dosimeter  react is 0.3 microroentgen or 0.003 microsievert.
 - The maximal radio-activity (dangerous), which  dosimeter  distinguish is 60 microroentgen or 0.6 microsievert.

ABOUT MANUFACTURER:

This dosimeter has been made at Russian factory which makes products for Russian army.

ABOUT WORK WITH DOSIMETER:

   General instructions :

The dosimeter is intended for use at temperatures from 263 to 313 °K (-10 to 40 °C, 14 to 104 °F), relative humidity up to 80%, normal atmospheric pressure (650-800 mm Hg).  Dampness will interfere with its high voltage generating circuit.  Keep the radiation dosimeter clean and protect it from impact, dampness, and harsh environments.

 

After storing or transporting the radiation dosimeter in cold conditions, give it 2 to 3 hours to reach working temperature.  Remove the batteries if it is not going to be used for a month or more.  Check that the battery contacts are clean before installing batteries.

   Basic specifications :

Stabilization after power is turned on takes no more than 5 seconds.

One set of batteries will operate the radiation dosimeter continuously for at least 100 hours under natural background radiation conditions.

The radiation dosimeter weighs less than 0.25 kg (7 ounces avoirdupois).

   Description :

The radiation dosimeter is used as a portable handheld device.  The case is made of shock-resistant polystyrene.  Its indicators are red and green LEDs and an audible clicker.

 

There should be an audible click about one to four times per second in a normal environment in Europe (somewhat less in the Americas), and the green LED should flash occasionally.  This indicates that the radiation dosimeter is working normally.

 

The green LED signals the presence of radiation levels comparable to the natural background.

 

The sound clicks become more frequent as the radiation level rises.  The red LED (labeled ВНИМАНИЕ "attention") lights when the radiation level is abnormally high.

 

The power supply consists of two AA batteries.  Batteries are not included.

   How to use the radiation dosimeter :

(1)Set the power switch OFF (to the left, away from ВКЛ "on").

(2)Slide off the battery compartment cover and insert two AA cells with the indicated polarity.Put the battery compartment cover back in place.

(3) Turn the power switch on (ВКЛ).Characteristic sound clicks and green LED flashes should appear within 5 seconds.

(4)Switch off the radiation dosimeter when you are finished using it. Because of residual high voltage, some audible clicks may continue for a few seconds.

 

CAUTION!

There is high voltage (440 V) inside the case.

Do not disassemble the radiation dosimeter!

Do not use it with the cover removed!

Follow instructions carefully.

 

   Operating procedure :

 

Install batteries in the radiation dosimeter and switch it on (ВКЛ).  It should issue 1 to 4 sound clicks per second at natural background radiation rates in Europe (somewhat lower in the Americas).

 

For testing, it may be necessary to bring a radioactive source close to the dosimeter window, which is a mesh surface on the back panel of the device.  In this way you can get the source to within 10 to 20 mm (less than 1 inch) of the Geiger-Müller tube.

 

When searching for source of radioactivity or comparing different parts of a large object or area, it is recommended that you leave the radiation dosimeter switched on and move it around without switching it off between readings.  Test each position for at least 5 seconds.

ABOUT BONUS:

There is an instruction in Russian. Translation in English will be made and will be send to the winner together with the dosimeter.

ABOUT PAYMENTS:

Payment in USA, shipping from Russia! I accept Visa/MC via PayPal and Personal Checks.

ABOUT SHIPPING:

SHIPPING WORLDWIDE IS $12 BY AIR MAIL.

 

 

 

ABOUT SHIPPING TIME:
Please, don’t leave a low rating for shipping time in Detailed Seller Rating when you give us your feedback.
We try to do all the best for our buyers. Shipping takes so long time (about 14-20 days to Europe and about 20 days to USA, Japan, Australia) because we send from other country.
Please, ask about express shipping if you need item for a short time.
Express shipping cost is expensive enough. So, we choose regular air mail to save your money on shipping cost.