Maico MA 27 Operation Manual page 34

Environmental conditions:
Operation:
Storage:
Transport:
Power:
Construction:
PC-connection The audiometer can be connected to any type
of IT-equipment fulfilling the requirements of IEC 60950-1 by
USB. Please also refer to power specifications and safety issues
in section 3.2. There are no further requirements for the IT
8104818 Rev.2.0
Operation Manual MA 27 / MA 27e
+15 °C ... +35 °C / +59 °F ... +95 °F
Humidity: 30 % ... 90 %, non-condensing
Ambient pressure: 98 kPa ... 104 kPa
The instrument is not intended to be used above
2000 meter from sea-level
0 °C ... +50 °C / +32 °F ... +122 °F
Humidity: 10 % ... 95 %, non-condensing
-20 C ... 50 C / -4 °F ... +122 °F
Humidity: 10 % ... 95 %, non-condensing
Use Only UE24WCP Type 100-240 VAC
USB Power from IT-equipment in accordance
with IEC 60950-1 - See also safety notice
5V DC ±5%, min 150 mA
Plastic cabinet
30 04/16