ECOTEST DKG-21 M Operating Manual page 96

5.2.5 Verification
accordance with safety measures presented in 4.3.1 of
the OM.
5.2.6 Verification conditions
Verification should be performed under the
following conditions:
- ambient air temperature range within (20±5) °C;
- relative air humidity from 30 to 80 %;
- atmospheric pressure from 86 kPa to 106.7 kPa;
- natural background level of gamma radiation
should not exceed 0.3 µSv/h;
- power supply voltage within (3.0±0.2) V.
should be
95
performed in