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Mirion Technologies DIS-1 User Manual

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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)