KROHNE SMARTSENS PH 8xxx Ex EN - Manual (Page 4)

2
DEVICE DESCRIPTION
4
SMARTSENS PH 8XXX
www.krohne.com 07/2014 - 4002951402 - MA SMARTSENS PH 8xxx R02 en
Device description
2.1 Device description
The pH sensor is designed to measure pH in liquids.
It has a connection for a 4..20 mA current output with HART
® communication.
The connection is designed as a plug connector and at the same time supplies the sensor with
power.
2.2 Description code
The safety description code of the pH sensors is made up of the following elements (spaces in
the code may be omitted):
SMARTSENS PH 8ab0 SMARTSENS PH 8ab0 SMARTSENS PH 8ab0 SMARTSENS PH 8ab0
1 Nickel plated brass body with VP 2.0 connector
2 PG 13.5 thread
3 Washer
4 O-ring
5 Glass shaft
6 Diaphragm
7 Membrane glass
Feature a aa a
Type of diaphragm
Feature b bb b
Field of application
a aa a = 1: Open (hole) b bb b = 2: Industrial wastewater
a aa a = 3: PTFE b bb b = 5: Chemical
a aa a = 5: Ceramic b bb b = 7: Pharma
.book Page 4 Monday, July 21, 2014 3:08 PM