Dosimeter POSHUK

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Dosimeter POSHUK

Search Dosimeter-Radiometer MKS-07

ТУ У 22362867.003-99
Number U1207-07 in State Register for Measuring Instruments
Hygienic conclusion of the State Sanitary-Hygienic Expertise # B-7.02/28 of November 04, 1999

Description

Multipurpose search device intended to detect and localize sources of gamma, beta, alpha and neutron radiation.

The standard delivery kit includes gamma and beta radiation detecting units. Alpha and neutron radiation detecting units can be ordered separately.

POSHUK detects soft beta radiation. The device uses Geiger-Muller counters without return run of counting response. The analog indicator of radiation intensity facilitates localization of radiation sources.

The device has the nonvolatile memory, which can store up to 4096 measurement results. The recorded measurement results can be viewed on the display and transferred to the PC through the infrared port. Each detected gamma-quantum and beta-particle is followed by audio signaling. The audio alarm will be initiated if the programmed threshold levels of gamma dose rate and beta-contamination are exceeded. Telescopic tube and display backlight will help to perform tasks under different conditions.

Purpose of Use

Measurement of gamma and X-ray radiation ambient dose equivalent rate (DER).
Measurement of gamma and X-ray radiation ambient dose equivalent (DE).
Measurement of surface beta-particles flux density.
Measurement of surface alpha-particles flux density with the help of the BDPA-07 detecting unit of alpha radiation (on demand).
Measurement of thermal and fast neutron flux density with the help of the BDPN-07 detecting unit of neutron radiation (on demand).

Features

Geiger-Muller counters without return run of counting response.
Analog indicator of radiation intensity.
Up to 4096 measurement results recording in the nonvolatile memory with further transfer to the computer through infrared port.
Review of the recorded measurement results on the display.
“Precisely” channel with the average result indicated on the display for the fixed measurement time from 1 to 99 minutes, and “start-stop” measurement mode.
Detection of soft beta radiation.
Programmable threshold levels of gamma and X-ray radiation dose equivalent rate and beta-particles flux density.
Audio signaling of detected gamma-quanta, beta-particles, and exceeded programmed threshold levels of dose equivalent rate of gamma and X-ray radiation or beta-particles flux density.
Display backlight.
Multilevel indication for battery discharge.

Specifications

Measurement ranges and main relative errors
– Gamma and X-ray radiation dose equivalent rate (137Cs)	0.1 µSv/h … 2.0 Sv/h
Main relative permissible error limit of DER measurement with confidence probability of 0.95:
– in precise measurement mode	±(15+2/H(10))%, where H(10) is a numeric value of measured DER equivalent to µSv/h
– in search mode	±(25+2/H(10))%, where H(10) is a numeric value of measured DER equivalent to µSv/h
– Gamma and X-ray radiation ambient dose equivalent (137Cs)	1.0 µSv … 9 999 mSv;±15%
– Beta-particles flux density (90Sr+90Y)	1/(cm2×min)	5…100 000
Main relative permissible error limit of surface beta-particles flux density measurement with confidence probability of 0.95:
– in precise measurement mode	±(15+200/φβ)%, where φβ is a numeric value of measured flux density equivalent to part./(cm²×min)
– in search mode	±(25+200/φβ)%, where φβ is a numeric value of measured flux density equivalent to part./(cm²×min)

Energy ranges of measurement and energy dependence:
– Gamma and X-ray radiation	MeV	0.05…3.0; ±25%
– Beta radiation	MeV	0.15…3.0
Measurement time intervals	seconds	2…5
Storage battery life (four NiMH AA batteries)*	hours	not less than 400
Operating temperature range	°С	-25…+55

Weight and dimensions:
	Weight (kg)	Dimensions (mm)
– Control panel	0.5	154х86х35
– Gamma radiation detecting unit	0.6	214х80х36
– Beta radiation detecting unit	0.5	154х82х43
– Delivery kit in packing	4.2	445х255х85

Delivery Kit
- control panel;
- gamma radiation detecting unit;
- beta radiation detecting unit;
- telescopic tube;
- connecting cable;
- technical description and operating manual;
- logbook;
- battery charger;
- packing bag of close and waterproof cloth used to carry the device on one's shoulder;
- exchange infrared port adapter and software (at the customer's request).

Get To Know More About Radiation

Potential Sources Of Radiation

Food (especially berries and mushrooms)

Food (especially berries and mushrooms) will definitely accumulate radiation if grown in contaminated areas. Mushrooms tend to absorb radiation from soil as well. These are not the best ingredients for your nutrition or home-made jam for sure. We know how dangerous radiation is when it gets into our bodies. It’s always wise to check the radiation safety of our food to enjoy a safe and healthy lifestyle.

Home and office

It is always a great thing to have a safe and productive workplace or just be cozy sitting on your favorite couch at home. But even in your most comfortable zones, is there any chance you can be exposed to radiation? Unfortunately, yes. Furniture can be made of radioactive wood as it absorbs radiation. Granites can have high radiation levels as well. Check the radiation level of all your furniture.

Construction

Remember that construction materials can contain natural radionuclides. That is why when building, choose the materials carefully as they can pose a great threat to your health. When moving to a new place, be sure to check that no radiation is there.

Playground

Radiologically contaminated toys can harm your child’s health. Even a sandbox on a playground can pose a danger. Control radiation levels around to be sure you chose the right place to play with your kids.

Cash

Cash can be radiologically contaminated for definite purposes. The most common one is to track money during special operations, but sometimes these banknotes can end up in our wallets. Even a small amount of radiologically contaminated banknotes can harm a large number of people. Be safe when dealing with cash.

Garden

Radioactive fallouts may contaminate soils in any corner of the world. Be sure to check the radiation levels in your garden if you don’t want to raise contaminated fruits and vegetables. We know that radiation that gets inside of our bodies is the most dangerous.

Travelling

When travelling you can come across the places of buried radioactive scrap metals or other contaminated objects. Caving is such fun if you are not exposed to high radiation levels out there. It is always better to enjoy outside activities if they’re safe.

Jewelry

We should pay great attention when buying necklaces, rings or other jewelry. Precious metals and stones can have high radiation levels, especially zirconium which is the most commonly used in jewelry items. That is why you should be careful if you don’t want to pay a "high" price. Jewelry should be decorative, not destructive.