Description And Operation - ECOTEST DKG-21 Operating Manual

3 DESCRIPTION AND OPERATION

3.1 Purpose of use
3.1.1 The dosimeter is designed to measure individual dose equivalent
of gamma and X-ray radiation (hereinafter – DE) and individual dose
H ( 10 )
p
H 
equivalent rate
3.1.2 The dosimeter can be used at industrial enterprises and companies
that deal with gamma and X-ray radiation sources.
3.2 Technical specifications
3.2.1 DER measurement range varies from 0.1 µSv/h to 1.0 Sv/h.
3.2.2 Main relative permissible error limit of DER measurement at 0.95
confidence probability is:
- 20 % - in the DER range of 1.0 to 10 μSv/h (included);
- 15 % - in the DER range of 10 μSv/h to 1.0 Sv/h.
(hereinafter – DER) of gamma and X-ray radiation.
( 10 )
p
5