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4.2
Startup conditions ............................................................................................................................ 34
5.
APPLICATION DOMAIN OF THE CT TRANSMITTER........................................ 35
6.
CT TRANSMITTER: MODE OF OPERATION AND CONFIGURATION ............. 35
6.1
Measuring principle.......................................................................................................................... 35
6.2
System configuration ....................................................................................................................... 36
6.2.1
DSB data memory module ....................................................................................................... 36
7.
INPUT .................................................................................................................. 37
7.1
Measured variable ........................................................................................................................... 37
7.2
Measuring range.............................................................................................................................. 37
8.
OUTPUT .............................................................................................................. 38
8.1
Output signal.................................................................................................................................... 38
8.2
Failure signal ................................................................................................................................... 38
8.3
Load ................................................................................................................................................. 39
8.4
Damping........................................................................................................................................... 39
8.5
Low flow cutoff ................................................................................................................................. 39
9.
CT PERFORMANCE CHARACTERISTICS......................................................... 39
9.1
Reference conditions ....................................................................................................................... 39
9.2
Measured error ................................................................................................................................ 39
9.3
Repeatability error ........................................................................................................................... 39
9.4
Influence of ambient temperature.................................................................................................... 39
10. CT OPERATING CONDITIONS........................................................................... 40
10.1
Installation conditions and cable glands ...................................................................................... 40
10.2
Environmental conditions............................................................................................................. 40
10.2.1
Ambient temperature ................................................................................................................ 40
10.2.2
Ambient temperature range...................................................................................................... 40
10.2.3
Storage temperature................................................................................................................. 40
10.2.4
Ingress protection ..................................................................................................................... 40
10.3
Process conditions ....................................................................................................................... 41
10.3.1
Fluid temperature ..................................................................................................................... 41
Page 4 of 112
CMU & CT OPERATING MANUAL
