Thermo Scientific EPD Mk2 User Manual (English)

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Guide on how to operate the electronic personal dosimeter EPD

Mk2

Measuring range

The dosimeter was approved by the Physikalisch-Technische Bundesanstalt for a dosis range

Hp(10) of 10 µSv to 10 Sv at a dose rate of 50 nSv/h to 1 Sv/h in the energy range of 16 keV

to 7 MeV and an angular range of <± 60°.

Note: In the direct beam of pulsed radiation fields (X-ray, accelerator), the dose rate in the

pulse can be much higher than 1 Sv/h. In this case, the dosimeter is not suitable for use

because a significant dose underestimation may result. In the scattered beam and when worn

under a lead apron, the dose rate values are generally within the permissible measurement

range of the dosimeter. Please check your system for the possibility of using the dosimeter.

The EPD is equipped with the following operating elements:

Operating elements

LED

LCD display screen, i.e. function control panel

Clip assembly

Battery compartment

Operating button

Sounder

Beta window

FO50KOM27A/ Guide for use 1 As of January 2014

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Thermo Scientific EPD Mk2 Specifications

General

IP Rating	IP67
Energy Range	60 keV to 6 MeV
Accuracy	±10%
Operating Temperature	-20 °C to +50 °C
Display	LCD
Data Logging	Yes
Dose Range	0.01 mSv to 10 Sv (1 mrem to 1000 rem)
Dose Rate Range	0.01 mSv/h to 10 Sv/h (1 mrem/h to 1000 rem/h)
Measurement Range	Dose: 0.01 mSv to 10 Sv; Dose Rate: 0.01 mSv/h to 10 Sv/h
Resolution	Dose: 0.01 mSv; Dose Rate: 0.01 mSv/h