Endress+Hauser CM442R - Performance Characteristics

Liquiline CM442R/CM444R/CM448R
32 Endress+Hauser
Performance characteristics
Response time
Current outputs
t
90
= max. 500 ms for an increase from 0 to 20 mA
Current inputs
t
90
= max. 330 ms for an increase from 0 to 20 mA
Digital inputs and outputs
t
90
= max. 330 ms for an increase from low to high
Reference temperature
25 °C (77 °F)
Measured error for sensor
inputs
→ Documentation of the connected sensor
Measured error for current
inputs and outputs
Typical measured errors:
< 20 µA (with current values < 4 mA)
< 50 µA (with current values 4 to 20 mA)
at 25 ˚C (77˚ F) each
Additional measured error depending on the temperature:
< 1.5 µA/K
Frequency tolerance of
digital inputs and outputs
≤ 1%
Resolution of current inputs
and outputs
< 5 µA
Repeatability
→ Documentation of the connected sensor