KROHNE SMARTSENS PH 2390 EN - Manual (Page 30)

6
TECHNICAL DATA
30
SMARTSENS PH 2390
www.krohne.com 11/2013 - 4002546302 - MA SMARTSENS PH 2390 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 20 mm / 0.79"
Insertion length 23 mm / 0.9"
Temperature sensor Pt1000
Connector VarioPin 2.0 (VP 2.0)
Operating conditions
Temperature range 0...+80°C / +32...+176°F
Process pressure 6.9 bar at +60°C / 100 psi at +140°F
Measuring accuracy 0.5%
Conductivity Min. 150 µS/cm
Installation conditions
Ingress protection IP 68
Weight Approx. 193 g / 0.43 lb
Process connection 3/4" MNPT
Materials
Sensor shaft Ryton ®
Membrane glass Multi purpose glass
Inner buffer pH 7.0
Reference KCl gel double junction
Diaphragm PTFE
Sensor head Nickel plated brass body with VP 2.0 connector
.book Page 30 Monday, November 18, 2013 2:13 PM