User`s guide

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VAISALA _________________________________________________________________________ 3
Table of Contents
CHAPTER 1
GENERAL INFORMATION ............................................................................ 7
About This Manual ................................................................... 7
Contents of This Manual ....................................................... 7
Version Information ............................................................... 8
Related Manuals ................................................................... 8
Documentation Conventions ................................................. 8
Safety ......................................................................................... 9
ESD Protection .................................................................... 10
Recycling ................................................................................ 10
Regulatory Compliances ....................................................... 11
Patent Notice .......................................................................... 11
Trademarks ............................................................................. 11
Software License .................................................................... 12
Warranty .................................................................................. 12
CHAPTER 2
PRODUCT OVERVIEW ................................................................................ 13
Introduction to DPT145 .......................................................... 13
Basic Features and Options .................................................. 14
Transmitter Parts .................................................................... 15
Weather Shield ....................................................................... 16
CHAPTER 3
FUNCTIONAL DESCRIPTION ..................................................................... 17
Measurement Needs of SF
6
Insulation ................................. 17
Sensor Technology ................................................................ 18
MPS1 Multiparameter Sensor ............................................. 18
DRYCAP® Technology ....................................................... 18
Auto-Calibration ............................................................. 19
Sensor Purge ................................................................. 19
BAROCAP® Technology .................................................... 19
DPT145 Start-up Sequence ................................................... 20
CHAPTER 4
INSTALLATION ............................................................................................ 21
Transmitter Configuration Before Installation .................... 21
Selecting the Location ........................................................... 22
Warning – Read Before Installation ...................................... 23
Installation Without Weather Shield ..................................... 24
Installation With Weather Shield .......................................... 25
Wiring ...................................................................................... 28
Standard Wiring .................................................................. 28