KROHNE SMARTSENS PH 2390 EN - Manual (Page 31)

TECHNICAL DATA
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SMARTSENS PH 2390
www.krohne.com 11/2013 - 4002546302 - MA SMARTSENS PH 2390 R02 en
Communication
pH range 0...14 pH
Resolution pH range 0.02 pH
Output signal 4...20 mA (passive)
Output resolution 20 µA
Field communication HART ® 7 - FSK 1200 physical layer definition on top of the current loop
Filter adjustable 1...60 seconds
Electrical connections
Power supply 15...30 VDC loop powered
Measuring range 4...20 mA + HART ® protocol
Load Minimum 0 Ω; maximum R
L
= ((U
ext.
- 15 VDC) / 22 mA)
Error signal Acc. to NAMUR NE 43
Upper value: ≥ 21.0 mA
HART ® HART ® protocol via current output
Device revision 1
Physical layer FSK
Device category Sensor, galvanically isolated
System requirements 250 Ω loop resistance for HART ® communication
Multidrop operation 4 mA
Approvals
CE This device fulfils the statutory requirements of the EC directives. The
manufacturer certifies successful testing of the product by applying the CE
mark.
Shock resistance:
IEC 60068-2-31, Environmental testing – Part 2: Test Ec
Electromagnetic compatibility:
Acc. to EN 61326, NAMUR NE 21
Low voltage directive:
Safety requirements for electrical equipment for measurement, control, and
laboratory use in accordance with EN 61010-1:2001
CSA
INFORMATION!
For further information contact your local sales office.
.book Page 31 Monday, November 18, 2013 2:13 PM