EXFO FTB-1 User Manual
Page 26
Safety Information
16
FTB-1
Electrical Safety Information
Equipment Ratings
Temperature
Operation
unit powered by battery: 0 °C to 50 °C
(32 °F to 122 °F)
unit connected to AC adapter: 5 °C to 40 °C
(41 °F to 104 °F)
Storage
unit without battery: –40 °C to 70 °C
(–40 °F to 158 °F)
unit with battery: –20 °C to 60 °C (–4 °F to 140 °F)
AC adapter: –20 °C to 60 °C (–4 °F to 140 °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).
unit: 95 % non-condensing
AC adapter: 10 % to 80 % non-condensing
Maximum operation altitude
2000 m (6562 ft) (unit connected to external power
supply)
5000 m (16405 ft) (unit operated from battery)
Pollution degree
2 (unit connected to external power supply)
3 (unit operated from battery)
b
b.
Equipment must be normally protected against exposure to direct sunlight, precipitation and full wind
pressure.
Overvoltage category
unit: I
AC adapter: II
Measurement category
Not rated for measurement categories II, III, or IV
Input power
c
c.
Not exceeding ± 10 % of the nominal voltage.
unit: 24 V; 3.75 A
AC adapter:
100 - 240 V; 50/60 Hz; 1.6 A