Technical data
Measured variable
Measuring range
Reference operating
conditions
Maximum measured
2)
error
Temperature
compensation
Storage temperature
Type of protection
Climatic class
Electromagnetic
compatibility
Process temperature
range
2)
In accordance with DIN IEC 746 Part 1, at reference operating conditions
30
16
Technical data
16.1 Input
pH or oxidation-reduction potential [mV]
• pH:
-2 to 16
• Oxidation-reduction potential:
-1999 to +1999 mV
• Temperature:
-5 to 100 °C (20 to 212 °F)
16.2 Performance characteristics
Reference temperature:
Reference pressure:
pH value:
Oxidation-reduction potential:
Temperature:
-5 to 80 °C (20 to 180 °F)
16.3 Environment
–25 to +55 °C (-10 to 130 °F)
IP 66
Climate class 2
Interference emission and interference immunity in accordance with DIN
EN 50081-1 / 50081-2
16.4 Process
-5 to 80 °C (20 to 180 °F)
25 °C (77 °F)
1013 hPa (15 psi)
0.01 pH ± 1 digit
0.3 mV ± 1 digit
0.1 K ± 1 digit
CPM280
Endress+Hauser