RIGOL MSO/DS4000 Series - Manual (Page 39)

RIGOL
MSO4000/DS4000 Quick Guide V
Ventilation Requirement
This oscilloscope uses fan to force cooling. Please make sure that the air intake and exhaust areas
are free from obstructions and have free air. When using the oscilloscope in a bench-top setting,
provide at least 10 cm clearance beside, above and behind the instrument for adequate ventilation.
WARNING
Inadequate ventilation may cause temperature increase which would damage the
instrument. So please keep the instrument well ventilated during operation and inspect
the intake and fan regularly.
Working Environment
Temperature
Operating: 0℃ to +50℃
Non-operating: -40℃ to +70℃
Humidity
0℃ to +30℃：≤95％ relative humidity
+30℃ to +40℃：≤75％ relative humidity
+40℃ to +50℃：≤45％ relative humility
WARNING
To avoid short circuit inside the instrument or electric shock, please do not operate in
humid environment.
Altitude
Operating: less than 3 km
Non-operating: less than 15 km
Installation (overvoltage) Category
This product is powered by MAINS conforming to installation (overvoltage) category II.