E-M-HP22-V2_10
Rotronic AG
Bassersdorf, Switzerland
Document code Unit
Instruction Manual
Document Type
HygroPalm HP22 hand-held indicator:
User Guide
Document title
Page
2 of 16
© 2010; Rotronic AG E-M-HP22-V2_10
Table of contents
1 Overview ..................................................................................................................................................3
2 General description.................................................................................................................................3
2.1 Power supply.........................................................................................................................................3
2.2 Measured parameters ...........................................................................................................................3
2.3 Calculated parameters .......................................................................................................................... 3
2.4 Service connector..................................................................................................................................4
3 User configurable settings and functions.............................................................................................4
3.1 Function overview .................................................................................................................................4
3.2 Factory default settings .........................................................................................................................5
3.3 Interaction between the HP22 and probe functions............................................................................... 7
4 Operation .................................................................................................................................................8
4.1 Display ..................................................................................................................................................8
4.2 Keypad ..................................................................................................................................................8
4.4 ON/OFF key ..........................................................................................................................................9
4.5 Changing the parameters shown on the display ................................................................................... 9
4.6 HOLD function.......................................................................................................................................9
4.7 Changing the unit system...................................................................................................................... 9
4.8 Low battery indicator ............................................................................................................................. 9
4.9 Internal menu ......................................................................................................................................10
4.11 Practical advice for measuring humidity .............................................................................................. 11
5 Maintenance...........................................................................................................................................11
5.1 Replacing the battery ..........................................................................................................................11
5.2 Service cable.......................................................................................................................................11
5.3 Location of the service connector (mini USB type).............................................................................. 12
5.4 Periodic calibration check of the probe................................................................................................ 12
5.5 Cleaning or replacing the probe dust filter........................................................................................... 13
6 Firmware updates..................................................................................................................................13
7 Technical data .......................................................................................................................................14
7.1 Specifications ......................................................................................................................................14
7.2 Dew point accuracy ............................................................................................................................. 15
8 Accessories ...........................................................................................................................................15
9 Supporting documents.........................................................................................................................15
10 Document releases................................................................................................................................16