User guide

6 TECHNICAL DATA
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SMARTSENS PH 8570
www.krohne.com 11/2013 - 4002544902 - MA SMARTSENS PH 8570 R02 en
6.2 Technical data
INFORMATION!
• The following data is provided for general applications. If you require data that is more
relevant to your specific application, please contact us or your local sales office.
• Additional information (certificates, special tools, software,...) and complete product
documentation can be downloaded free of charge from the website (Download Center).
Measuring system
Measuring principle Potentiometric
Measuring range 0…14 pH
Design
Shaft diameter 12 mm / 0.47"
Insertion length 120 mm / 4.72"; 225 mm / 8.86"
Temperature sensor Pt1000
Connector VarioPin 2.0 (VP 2.0)
Operating conditions
Temperature range 0...+140°C / +32...+284°F
Process pressure 12 bar / 174 psi
Measuring accuracy 0.5%
Conductivity Min. 100 µS/cm
Installation conditions
Ingress protection IP 68
Weight Approx. 80 g / 0.18 lb
Process connection PG 13.5
Materials
Sensor shaft Glass
Membrane glass S glass
Inner buffer pH 7.0
Reference RheoLid
Diaphragm Ceramic
Gasket EPDM (FDA)
Sensor head Nickel plated brass body with VP 2.0 connector
.book Page 30 Monday, November 18, 2013 4:44 PM