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It's offered to your attention the last elaboration radiation monitor RADEX RD1706 - the most improved model in the new line of reliable instruments for radiation detection designed by Russian nuclear engineers for household consumers who have knowledge of dosimetry at a common level and wish or enforced to use dosimeters. Besides its light weight and pocket size there are some more incomparable advantages of this unit:
- Designed for measuring ambient dose capacity rate equivalent estimate of gamma rays indors and outdors.
- Detects ionizing radiation and beta-fissile radionuclides pollution of materials and objects.
- Easy to operate, no special dosimetry skills needed.
- Contains SBM20-1 type beta-gamma Geiger-Muller counter which is used in professional dosimetric equipment.
- Has a great number of individual settings (measure units, beep and volume adjustment, display illumination mode etc).
- Uses 2 regular AAA batteries widely spread worldwide.
- Displays all settings, measure results, warnings and battery indicator on 1x1.7" (26x44 mm) screen.
- Meets the requirements of worldwide dosimetry standards and strong Russian standards.
- Menu, operating manual and technical certificate in English.
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DIMENSIONS - 4x2.3x01" (105x60x26 mm).
SCREEN - 1x1.7" (26x44 mm).
WEIGHT - 3.5 oz (90 g).
CONDITION - BRAND NEW IN ORIGINAL BOX.
 Made in Russia.
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The complete set includes:
RADEX RD1706 radiation monitor/Geiger counter.
Technical certificate in Englidh.
Operating manual in English.
Original box.
Batteries are not included.
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Important improvements of RADEX RD1706 from the basic model RADEX RD1503:
- Ability to register gamma, beta and x-ray radiation;
- Range of indications is expanded in 100 times (up to 999,0 µSv/h);
- Time of observation is reduced from 1 to 26 sec or even faster if the value of a dose rate is higher.
- Improved precision of indications;
- Applied two SBM20-1 type Gejgera – Muller counters;
- Presence of vibra-call signal;
- Applied «BACKGROUND» mode for performing inspections inside premises;
- Displaying indications only in µSv/h;
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Technical specifications
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Scale range ambiemt dose rate equivalent |
µSv/h |
0,05 ... 9,99 |
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Scale range exposition dose rate |
µRem/h |
5 ... 999 |
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Range energy scales - radiations |
MeV |
0,1 ... 1,25 |
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Reproducibility of indications (at confidential probability 0.95), where Ð is a dose rate in µSv/h |
% |
15+6/Ð |
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Levels of sound-alarm threshold |
µSv/h |
0.30, 0.60, 1.20 |
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µRem/h |
30, 60, 120 |
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Time of calculation |
sec |
40±0.5* |
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Time of indication |
- |
continuously |
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Batteries of "AAA" type |
- |
one or two |
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Time of continuous work of a device, not less |
hour |
550 ** |
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Overall dimensions |
mm |
105x60x26 |
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Weight (without batteries) |
kg |
0,102 |
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* The increase in cycles of calculation conducts to increase of reliability of indications.
** Two batteries with a capacity 1350ÌAh, at a level of a natural background no more than 0,3 µSv/h and with factory settings. |
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RADEX RD1706 can operate in "BACKGROUND" mode where the dose capacity estimate is carried out, but the display shows not just one reading of a dose capacity, but two - exceeding of a dose capacity above a background dose capacity and a background dose capacity simultaneously. This mode is convenient for inspection of locations when it is necessary to know the difference between indoor and outdoor readings and to define correctly an outdoor dose capacity.
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Comparison tables of the RADEX family devices
| Technical specifications |
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RD1503 |
RD1503+ |
RD1706 |
| Range of ambient dose rate equivalent |
µSv/h |
from 0.05 to 9.99 |
from 0.05 to 9.99 |
from 0.05 to 999 |
| Range of exposition dose rate |
µRem/h |
from 5 to 999 |
from 5 to 999 |
- |
| Range of registered gamma radiation energy |
MeV |
from 0,1 to 1,25 |
from 0,1 to 1,25 |
from 0,1 to 1,25 |
| Range of registered X-ray radiation energy |
MeV |
- |
- |
from 0,03 to 3,0 |
| Range of registered beta radiation energy |
MeV |
- |
- |
<from 0,25 to 3,5 |
Reproducibility of indications
(at confidential probability 0.95)
where P is a doze rate in µSv/h
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% |
15+6/Ð |
15+6/Ð |
7+6/Ð |
| Threshold levels |
µSv/h |
0.30, 0.60, 1.20 |
0.10, 0.20, 0.30, 0.40, 0.50, 0.60, 0.70, 0.80, 0.90 |
from 0.1 to 99,0 |
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µRem/h |
30, 60,120 |
10, 20, 30, 40, 50, 60, 70, 80, 90 |
- |
| Time of calculation |
sec. |
40 ± 0.5 * |
40 ± 0.5 * |
from 26 to 1 ** |
| Time of indication |
- |
continuously |
continuously |
continuously |
| Batteries of "AAA" type |
pieces. |
one or two |
one or two |
one or two |
| Time of continuous work of a device, not less |
hour. |
550 ** |
550 *** |
500 *** |
Overall dimensions
height x breadth x depth
not more than
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mm. |
105x60x26 |
105x60x26 |
105x60x26 |
Weight
(without batteries),
not more than |
kg. |
0,09 |
0,09 |
0,09 |
* The increase in cycles of calculation conducts to increase of reliability of indications.
** Period of observation shortens with the increase of a dose rate more than 3,0 µSv/h.
*** Two batteries with a capacity 1350MAh, at a level of a natural background no more than 0,3 µSv/h and with factory settings.
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| Special features of the product |
RD1503 |
RD1503+ |
RD1706 |
| Physical units of measurement |
µSv/h,
µRem/h
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µSv/h,
µRem/h
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µSv/h |
Quantity of SBM20-1
type Gejgera – Muller counters |
1 |
1 |
2 |
| Quantity of sound-alarm thresholds |
3 |
9 |
more than 100 |
| Reading’s qualification as the duration of observation increases |
+ |
+ |
+ |
| Disabling sound alarm |
+ |
+ |
+ |
| Vibra-call alert |
- |
+ |
+ |
| Display illumination |
+ |
+ |
+ |
Background dose capacity calculation
(«Background» mode) |
- |
+ |
+ |
| Adding to the memory the information on the wholesale buyer’s shop and it’s Internet address |
+ |
+ |
+ |
| Adjusting correction factor |
- |
- |
+ |
| Ability to operate with one power element of «ÀÀÀ» type |
+ |
+ |
+ |
| Animation of a pressed button |
- |
+ |
- |
| Model features |
Minimal necessary set of functions |
Applied additional service functions
Convenience at premises’ inspection
Vibra signal
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Maximal set of service functions
The range of indications is expanded 100 times
Reproducibility is twice improved Precision of indications increased twice
Time of supervision is reduced
Time of observation is reduced till 1 second when the dose rate indication are high
Convenience at premises’ inspection
Vibra signal
Adjusting correction factor
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| Area of application |
Radiating control in day-to-day life |
For premises’ inspection
At building
Radiating control in day-to-day life
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Personnel operating with radioactive substances
For premises’ inspection
At building
Radiating control in day-to-day life
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