ECOTEST DKG-21 Operating Manual page 16

Limit state criterion is deviation of parameters from the values stated in
3.2.2 that cannot be eliminated.
3.2.32.4 Average shelf life (with the storage battery replacement) - not
less than 10 years.
3.2.33 Service capabilities of the dosimeter being functionally compatible
with the personal computer (the PC) with the installed ASIDC SW.
3.2.33.1 The dosimeter supports recording the history of dose
accumulation during a working shift (8 h) in the nonvolatile memory.
Recording is done with reference to real time. The recording interval is
programmed in the range of 5 to 255 minutes with one min discreteness.
3.2.33.2 The dosimeter is able to transfer the history of dose
accumulation to the ASIDC SW on the PC via the infrared port. The
distance of positive exchange between the dosimeter and the infrared port
adapter (IRPA) is not more than 0.3 m.
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