KROHNE OPTIBAR P 2010 C Ex EN - Manual (Page 7)

DEVICE DESCRIPTION
2
7
OPTIBAR P 1010/2010 C
www.krohne.com 01/2014 - 4002866801 - AD OPTIBAR PX010 Ex R01en
2.6 Ambient temperature / temperature classes
Use in zone 0 / zone 20 zone 0 / zone 20 zone 0 / zone 20 zone 0 / zone 20, ambient temperature range: -20...+60°C / -4...+140°F
(P
atm
: 0.8...1.1 bar / 11.6...15.9 psi)
Use from zone 1 / zone 21 zone 1 / zone 21 zone 1 / zone 21 zone 1 / zone 21, ambient temperature range: -20...+70°C / -4...+158°F
2.7 Electrical data
Signal output: 4...20 mA, 2-wire
Nominal voltage: 10...28 VDC
Nominal current: 4...20 mA
Built-in equipment for the pressure transmitters may only be connected to separate intrinsically
safe circuits with the following maximum values:
• U
i
[V]: 28 V
• I
i
[mA]: 93 mA
• P
i
[mW]: 660 mW
• C
i
[nF]: ~ 0 nF
• L
i
[µH]: ~ 0 µH
The supply connections have a maximum internal capacity of 27 nF to the housing plus circuit
inductivities 1 µH/m and circuit capacities 160 pF/m (for factory cable).