Safety Information
30 FTB-2/FTB-2 Pro and FTB-4 Pro
Electrical Safety Information
Equipment Ratings
Temperature
Operation
unit powered by batteries: 0 °C to 50 °C (32 °F to
122 °F)
a,b
unit connected to AC adapter (FTB-2 and FTB-2 Pro):
0 °C to 40 °C (32 °F to 104 °F)
unit connected to AC power directly (FTB-4 Pro):
0 °C to 50 °C (32 °F to 122 °F)
Storage unit without batteries: –40 °C to 70 °C (–40 °F to
158 °F)
unit with batteries: –20 °C to 60 °C (–4 °F to 140 °F)
Relative humidity
c
unit: 95 % non-condensing
AC adapter: 10 % to 80 % non-condensing
Maximum operation altitude
2000 m (6562 ft) (unit connected to external power
source)
5000 m (16405 ft) (unit operated from batteries)
ООО "Техэнком" Контрольно-измерительные приборы и оборудование www.tehencom.com
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