EXFO PSO-100 Series Optical Sampling Oscilloscopes - Manual (Page 18)

Safety Information
10 PSO-100
Electrical Safety Information
The following label is located on the back panel of the unit:
Equipment Ratings
Temperature
³
Operation
³
Storage
18 °C to 30 °C (64 °F to 86 °F)
0 °C to 50 °C (32 °F to 122 °F)
Relative humidity
a
a. Measured in 0 °C to 31 °C (32 °F to 87.8 °F) range, decreasing linearly to 50 % at 40 °C (104 °F).
80 % non-condensing
Maximum operation
altitude
3000 m (9843 ft)
Pollution degree 2
Installation category II
Power supply rating
b
b. Not exceeding ± 10 % of the nominal voltage.
100 V to 240 V (50 Hz/60 Hz)
maximum input power 20 VA