Mirion Technologies ZG 50 User Manual
Featuring:
radiation monitoring
systems
A Mirion Technologies Division
PRELIMINARY
ZG 50
Detectors
ZG 50
GM-Counter Detectors
The GM-counter detectors ZG 50 have been desig-
ned for monitoring the ambient gamma dose rate. A
saturation proof measuring assembly is available in
combination with the Digital Pulse Channel DPK 251.
Four GM-counter detectors may be connected with
simple twisted-pair cables on one channel DPK 251.
APPLICATIONS
• Area monitoring of gamma dose rate
FEATURES
● GM counter detector for gamma radiation
● Integrated high voltage supply and ampli er
● Energy range from 60 to 1300 keV
● Output signal: 5V standard pulses
● Robust construction for indoor and outdoor mounting
● Available with different sensitivities
● Type tested
Since norms, speci cations and designs are subject to occasional change, please ask for con rmation of the information given in this publication.
Mirion Technologies (MGPI) SA
Route d’Eyguières
FR-13113 Lamanon
France
T +33 (0) 4 90 59 59 59
F +33 (0) 4 90 59 55 18
Mirion Technologies (MGPI) Inc
5000 Highlands Parkway
Suite 150
Smyrna, GA 30082
USA
T +1 770 432 2744
F +1 770 432 9179
Mirion Technologies (MGPI H&B) GmbH
Landsberger Strasse 328a
DE-80687 Munich
Germany
T +49 (0) 89515 13-0
F +49 (0) 89515 13 169
Mirion Commercial (Beijing) Co., Ltd.
Shanghai Jiangchang Commercial Branch
Room 801, 78 Jiangchang SanLu
Zhabei District, Shanghai 200436
PR of China
T +86 21 6180 6920
F +86 21 6180 6924
ZG 50
Detectors
TECHNICAL DATA
(1) In combination with dead time compensation within measuring
channel DPK 251
(2) ± 15%, related to Cs-137
COMMON DATA
● Energy range: 60 ... 1300 keV
● Energy response: ± 25%
● Direction response: (until ± 45°): ± 15%
● Temperature response: (-10 ... +50°C): ± 20%
● Output signal: 5V, positive
● Supply voltage: 4 ... 6 V
● Current drain: 80 mA approx. at 4V
● Ambient temperature: -25 ... +70°C (-13 ... +158°F)
● Protection index: IP 54
● Seismic stress: 3 g, 5 ... 100 Hz
● Mechanical shock: 30 g, 11 ms
● Connector: Amphenol T3106 001
● Connecting cable: four lines, twisted pairs, shielded
● Cable diameter: max. 12 mm (0.47 in)
● Dimensions: Ø 50 mm (2 in), length 200 mm (7.8 in)
● Weight: 300 g (10.6 oz) approx.
DIGITAL SIGNAL PROCESSING TK 250
For signal processing of the pulses generated by the
GM-counter detectors ZG 50 Mirion Technologies offers
type tested measuring channels of the system TK 250:
DPK 251 Digital Pulse Channel for dose rate monito-
ring, four signal paths for up to four detectors ZG 50.
Measuring channels of the system TK 250 are characte-
rized by optimized functions, effective testing facilities,
easy handling and reliable operation.
www.mirion.com
145027EN-3
Properties Version: A1 A2 A3 A4
Measuring range (1) Gy/h 1e-7 ... 1e-2 2e-7 ... 3e-2 1e-6 ... 0.3 5e-6 ... 3
Calibration factor
(2) Gy-1h / ips 5.5e-7 1.1e-6 6.4e-6 3.2e-5
Dead time μs (approx.) 65 35 16 9
Life expectancy Gy (approx.) 7 15 70 100
Counter tube ZP 1201 ZP 1321 ZP 1313 ZP 1301
Connection to the digital pulse channel DPK 251
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