B-2 
 
B.2 Environmental Specifications 
Main unit 
Item Temperature (ºC) Relative humidity 
(non-condensing) 
Barometric 
pressure (kPa)
Operating  +10 to +40  15 to 95%  50 to 106 
Storage and transport –20 to +60 (O2 sensor: –20 to +50) 10 to 95%  50 to 106 
B.3 Power Requirements 
External AC power supply 
Input voltage  220 to 240 V  100 to 120 V 
Input frequency  50/60 Hz  50/60 Hz 
Input current  10A  15A 
Fuse T10AH/250V T15AH/250V 
Main unit power supply 
Input voltage  100 to 240 V 
Input frequency  50/60 Hz 
Input current  1.6 to 0.8A 
Fuse T3.15AH/250V 
Auxiliary output power supply 
Output voltage  220 to 240 V  100 to 120 V 
Output frequency  50/60 Hz  50/60 Hz 
Output current(outlet 1) 3.0A  6.0A 
Output current(outlet 2) 3.0A  3.5A 
Output current(outlet 3) 3.0A  3.5A 
Fuse(outlet 1) T5AH/250V  T10AH/250V 
Fuse(outlet 2) T5AH/250V  T5AH/250V 
Fuse(outlet 3) T5AH/250V  T5AH/250V 
Internal battery 
Number of batteries  One or two 
Battery type  Lithium-ion battery 
Rated battery voltage  11.1 VDC 
Battery capacity  4500 mAh for a single battery 
Overcurrent protection  8±2A 
Time to shutdown 
10 min at least (powered by new fully-charged batteries after the 
first low battery alarm) 
Battery run time 
90 min (powered by one new fully-charged battery at 25℃ ambient 
temperature); 
180 min (powered by two new fully-charged batteries at 25℃ 
ambient temperature).