Safety Information
FTB-2/FTB-2 Pro and FTB-4 Pro 31
Electrical Safety Information
Pollution degree FTB-2 and FTB-2 Pro:
2 (unit connected to external
power source)
3 (unit operated from batteries)
d
FTB-4 Pro: 2
Overvoltage category
unit (FTB-2 and FTB-2 Pro): I
unit (FTB-4 Pro): II
AC adapter: II
Measurement category Not rated for measurement categories II, III, or IV
Input power
e
unit (FTB-2): 24 V; 3.75 A
unit (FTB-2 Pro): 24 V; 8.33 A
unit (FTB-4 Pro): 100 - 240 V; 50/60 Hz; 5.2 - 1.9 A
AC adapter (FTB-2): 100 - 240 V; 50/60 Hz;
2.5 - 1.0 A
AC adapter (FTB-2 Pro): 100 - 240 V; 50/60 Hz;
3.5 - 2.5 A
a. When the unit is used at an altitude of 5000 m, the maximum operating temperature is 32 °C (89.6 °F)
b. Operating time is dependent upon power consumption and temperature. If the unit is used at maximum
power and maximum temperature, it will power off automatically any time after 10 minutes for safety
reasons.
c. Measured in 0 °C to 31 °C (32 °F to 87.8 °F) range, decreasing linearly to 50 % at 40 °C (104 °F).
d. Equipment must be normally protected against exposure to direct sunlight, precipitation and full wind
pressure.
e. Not exceeding ± 10 % of the nominal voltage.
Equipment Ratings
ООО "Техэнком" Контрольно-измерительные приборы и оборудование www.tehencom.com
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