Calex ExTempMini Series Manuale di avvio rapido - Pagina 10
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10
ELECTRICAL INSTALLATION
Hazardous Area
Zone 0
Sensing head
Ta = -20°C to +180°C
Do not
open
Supplied sensing
head cable (4-wire,
shielded) ≤ 25 m
* Cable shield is terminated in main enclosure gland - see OUTPUT CABLE INSTALLATION
Hazardous Area
Zone 1
Main enclosure
Ta = -20°C to +70°C
*
*
2-wire shielded
cable ≤ 25 m
Safe Area
(Non-Hazardous)
Certified Intrinsically
Safe isolator (e.g.
connections shown are
for MTL5541)
220 Ω
PWR+
PWR-
Optional
PC with
configuration
software
LCT
(USB
adapter)
4/20 mA
Vs-
Vs+
Load
(measurement
instrumentation)