Instruction Manual

6 TECHNICAL DATA
42
OPTISENS PH 9100
www.krohne.com 09/2012 - 4002314801 - MA OPTISENS PH 9100 R02 en
6.2 Technical data
pH sensor
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
Construction Glass sensor
Shaft diameter 12 mm / 0.47"
Length 160 mm / 6.3"
Process connection S7 Plug
Temperature sensor -
Sensor cap S7 DIN coax
Type of diaphragm Glass sleeve
Measuring accuracy
Reference conditions Medium: water
Temperature: 20°C/ 68°F
Pressure: max. 1 bar / 14.5 psi (absolute)
Maximum measuring
error
pH: 0.2% full scale
Temperature: 1.0% full scale
Repeatability 0.2% full scale
Resolution 0.1 (or 0.01 in extended mode)
Long-term stability 24 hours: tested within accuracy definition
Temperature drift Tested within accuracy definition
Cable length variation Tested within accuracy definition