KROHNE SMARTSENS PH 8xxx Ex EN - Manual (Page 9)

DEVICE DESCRIPTION
2
9
SMARTSENS PH 8XXX
www.krohne.com 07/2014 - 4002951402 - MA SMARTSENS PH 8xxx R02 en
2.9 Electrical data
Connect the sensor only to intrinsically-safe certified circuits. Observe the following maximum
values for the sensor when connecting:
• U
i
= 30 V
• I
i
= 120 mA
• P
i
= 1.0 W
• L
i
= 10 µH
• C
i
= 5 nF
The internal electrode circuit is limited to the following maximum values:
• U
o
= 7.8 V
• I
o
= 10 mA
• P
o
= 20 mW
CAUTION!
Capacity and inductance of the connecting cable have to be considered.
INFORMATION!
For information about nominal data and the HART interface consult the standard documentation.
.book Page 9 Monday, July 21, 2014 3:08 PM