Mirion Technologies DIS-1 User Manual
Page 2

www.mirion.com
Mirion Technologies (MGPI) Inc
5000 Highlands Parkway
Suite 150
Smyrna Georgia 30082
USA
T +1.770.432.2744
F +1.770.432.9179
Mirion Technologies (MGPI) SA
BP 1
F-13113 Lamanon
France
T +33 (0) 4 90 59 59 59
F +33 (0) 4 90 59 55 18
Mirion Technologies (RADOS) Oy
P.O. Box 506
FIN-20101 Turku
Finland
T +358 2 4684 600
F +358 2 4684 601
Mirion Technologies (RADOS) GmbH
Ruhrstrasse 49
D-22761 Hamburg
Germany
T +49 40 85193 0
F +49 40 85193 256
DIS-1 Direct Ion Storage Dosimeter
Passive Dosimetry
20996029_DIS1_EN_C
TECHNICAL SPECIFICATIONS:
Physical Characteristics
detector type: three
•
TM
DIS (Direct Ion Storage)detectors and two MOSFET detectors
sensitive to gamma, X-ray and beta radiation
•
insensitive to neutrons (<5 %)
•
instant readout of ICRU dose equivalents:
•
- Hp(10) 1 μSv to 40 Sv (0.1 mrem to 4000 rem)
1)
- Hp(0.07) 10 μSv to 40 Sv (1 mrem to 4000 rem)
1)
calibration accuracy:
•
±5 % at 1 mSv
137
Cs Hp(10)
±10 % at 10 mSv
137
Cs Hp(0.07)
energy response in the dose range up to 1 Sv:
•
photons
- Hp(10) ±30 % from 15 keV to 9 MeV
2)
- Hp(0.07) ±30 % from 6 keV (to 9 MeV)
beta
- Hp(0.07) -20...+35% from 0.24 MeV to 0.80 MeV (E
mean
)
angular response for photons:
•
- Hp(10) ±20 % up to 60° at 65 keV
- Hp(0.07) ±20 % up to 60° at 65 keV
1)
When calibrated after every 10 Sv of accumulated dose
2)
PTB approved model up to 7 Mev
Functional Characteristics
recording of offi
cial Hp(10) and Hp(0.07) doses
•
memory:
•
- calibration date
- dose reset dates
- user identifi cation
Mechanical Characteristics
size: 41 x 44 x 12 mm, with holder 47 (95 with strap) x 49 x 13 mm (1.61 x 1.73 x 0.47 in , with
•
holder 1.85 (3.74 with strap) x 1.93 x 0.51 in)
weight: 25 g (0.88 oz) , with holder 43 g (1.52 oz)
•
beta window: aluminized PI (app. 7 mg/cm2)
•
holder: anodized aluminium
•
Environmental Characteristics
temperature range from -
•
10°C to +50 °C ( 14 °F to 122 °F)
enclosure class: IP 67 (waterproof )
•
The DBR-1 and DBR-2 Readers are designed to read DIS-1 dosimeters assembled in the DDH-2 Snap-in Dosimeter Holders. To obtain the
most recent dose value, the user simply plugs the dosimeter into the reader and the dose values are displayed in a few seconds.
Typical energy response of personal dose equivalent Hp(10)
Typical energy response of personal dose equivalent Hp(0.07)