Name: Graetz GammaTwin
Brand: Graetz
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GammaTwin

Soware Version 1.4/1.5

Operaon Manual

8. Technical data

Kind of dosemeter portable dose rate meter with

built-in Geiger-Müller tube

GM-tube type 70019A

Type GRAETZ GammaTwin

Manufacturer GRAETZ

Strahlungsmeßtechnik GmbH

Wesger Straße 172

D-58762 Altena/Germany

Kind of radiaon Gamma and X-rays (for DC-installa-

ons only, not suitable for pulsed

X-rays)

Adjustment/Calibraon using gamma radiaon

137

(662 keV)

Measurand ambient dose equivalent rate

Ḣ*(10) and ambient dose

equivalent H*(10)

Range of photon energy 45 keV bis 1.3 MeV

Opmum direcon of incident

radiaon

vercal on to the housing radius

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Graetz GammaTwin Specifications

General