Vaisala SHM40 - Manual (Page 3)

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VAISALA ________________________________________________________________________ 1
Table of Contents
CHAPTER 1
GENERAL INFORMATION............................................................................ 5
About This Manual ................................................................... 5
Contents of This Manual ....................................................... 5
Version Information ............................................................... 6
Related Manuals ................................................................... 6
Documentation Conventions................................................. 6
Safety......................................................................................... 7
ESD Protection...................................................................... 7
Recycling .................................................................................. 8
Regulatory Compliances ......................................................... 8
Patent Notice ............................................................................ 8
Trademarks ............................................................................... 8
Warranty.................................................................................... 9
CHAPTER 2
PRODUCT OVERVIEW................................................................................ 11
Introduction to SHM40 Kit ..................................................... 11
SHM40 Kit Contents ............................................................... 12
CHAPTER 3
HUMIDITY MEASUREMENT IN CONCRETE ............................................. 15
Humidity Measurements in a Borehole................................ 15
Measurement Depth............................................................ 16
Humidity Profile ................................................................... 16
Maximum Humidity Levels for Coating................................ 18
Importance of Temperature Differences .............................. 19
Preparations for Measurement ............................................. 20
Preparations for Solid Concrete.......................................... 21
Preparations for Freshly Cast Concrete.............................. 22
Inserting the Probe and Sealing the Hole ........................... 24
Alternate Sealing Materials ................................................. 27
Plastic Tubes.................................................................. 27
Rubber Plugs ................................................................. 27
Protective Covers........................................................... 27
Performing the Measurement ............................................... 28
Ending the Measurements..................................................... 29
CHAPTER 4
USING THE HM40 INDICATOR................................................................... 31
HM40 Indicator........................................................................ 31
Batteries .................................................................................. 32
Battery Life .......................................................................... 33