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Table of Contents 
Table of Contents ................................................................................... 1 
First Startup ............................................................................................. 4 
Initial Settings .............................................................................. 4 
Product Overview ................................................................................. 5 
HM41 – Front ............................................................................................ 7 
HM41 – Back ............................................................................................. 8 
HM42 for Tight Spaces ....................................................................... 9 
HM45 – Remote Probe with Handle ............................................ 10 
HM46 for Mechanically Demanding Applications .................. 12 
Batteries ................................................................................................... 13 
Charging .................................................................................................. 14 
Parameters Explained......................................................................... 15 
Measurement Views ............................................................................ 16 
Screen Layout and Controls ................................................. 16 
Indicators ...................................................................................... 17 
Numeric View .............................................................................. 19 
Statistics View ........................................................................... 20 
Graph View .................................................................................. 21 
Hold and Tag .............................................................................. 23 
Main Menu ............................................................................................... 25 
Tagged Points ............................................................................ 26 
Graph Duration .......................................................................... 27 
Settings ......................................................................................... 28 
Calibration ................................................................................... 28 
Help ................................................................................................ 29