71
70
Operating, transport and storage conditions for
hearing instruments and charger
Operating conditions
Discharging
Charging
Temperature
0 to 50 °C
(32 to 122 °F)
10 to 30 °C
(50 to 86 °F)
Relative humidity
5 to 93 %
20 to 75 %
Atmospheric pressure
700 to 1060 hPa
700 to 1060 hPa
During extended periods of transport and storage, please observe
the following conditions:
Storage
Transport
Temperature
(recommended)
10 to 25 °C
(50 to 77 °F)
-20 to 60 °C
(-4 to 140 °F)
Temperature
(maximum range)
10 to 40 °C
(50 to 104 °F)
-20 to 60 °C
(-4 to 140 °F)
Relative humidity
(recommended)
20 to 80 %
5 to 90 %
Relative humidity
(maximum range)
10 to 80 %
5 to 90 %
Atmospheric pressure 700 to 1060 hPa
700 to 1060 hPa
Note that you have to charge the hearing instruments at least every
6 months. For details refer to section "Maintenance and care".
