KROHNE OPTITEMP TRA-TCA EN - Manual (Page 4)

CONTENTS
4 www.krohne.com 08/2010 - 4000630501 - MA OPTITEMP TRA/TCA R01 en
OPTITEMP TRA/TCA
4 Electrical connections 32
4.1 Safety instructions.......................................................................................................... 32
4.2 Grounding ....................................................................................................................... 32
4.3 Protection category ........................................................................................................ 32
4.4 Power supply .................................................................................................................. 32
5 Operation 33
5.1 Start-up........................................................................................................................... 33
5.2 Normal operation ........................................................................................................... 33
5.3 Faults and damage: Reasons and remedies ................................................................. 33
6 Service 35
6.1 Replacing the electronics............................................................................................... 35
6.2 Cleaning and maintenance............................................................................................. 35
6.3 Spare parts availability................................................................................................... 35
6.4 Availability of services .................................................................................................... 35
6.5 Returning the device to the manufacturer..................................................................... 36
6.5.1 General information.............................................................................................................. 36
6.5.2 Form (for copying) to accompany a returned device............................................................ 37
6.6 Disposal .......................................................................................................................... 37
7 Technical data 38
7.1 Measuring principle........................................................................................................ 38
7.2 Technical data tables ..................................................................................................... 38
7.3 Dimensions ..................................................................................................................... 42
7.3.1 Connection heads.................................................................................................................. 42
7.3.2 Lengths of thermowells........................................................................................................ 43
7.3.3 Thermowells: Diameter, wall thickness, tips....................................................................... 47
7.3.4 Measuring inserts: Diameter and standard lengths ............................................................ 48
7.3.5 Flange dimensions................................................................................................................ 51
7.4 Measuring accuracy ....................................................................................................... 52
7.5 Process connections ...................................................................................................... 53
7.6 Measuring range and permitted load ............................................................................ 54
7.7 Permissible temperatures ............................................................................................. 56
7.7.1 Connection head ................................................................................................................... 56
7.7.2 Unloaded thermowell and immersion tubes........................................................................ 56
7.8 Sensor response times .................................................................................................. 57
7.9 Limit values for compression fittings ............................................................................ 58
8 Appendix 59
8.1 Technical legislation in effect ........................................................................................ 59
.book Page 4 Tuesday, August 17, 2010 12:18 PM