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E-M-HP21-V1_21
Rotronic AG Bassersdorf, Switzerland
Document code
Unit
HygroPalm HP21 hand-held indicator: User Guide
Instruction Manual
Document Type
Page 2 of 14
Document title
© 2009-2010; Rotronic AG E-M-HP21-V1_21
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
Sensor protection (dust filter) ................................................................................................................ 3
2.5
Service connector .................................................................................................................................. 4
3
User configurable settings and functions ............................................................................................. 4
3.1
Function overview ................................................................................................................................. 4
3.2
Factory default settings ......................................................................................................................... 6
4
Operation ................................................................................................................................................. 7
4.1
Display .................................................................................................................................................. 7
4.2
Keypad .................................................................................................................................................. 7
4.3
Internal menu ........................................................................................................................................ 8
4.4
Changing the parameters shown on the display ................................................................................... 8
4.5
Changing the temperature unit .............................................................................................................. 8
4.6
Low battery indicator ............................................................................................................................. 9
4.7
Practical advice for measuring humidity ................................................................................................ 9
5
Maintenance ............................................................................................................................................. 9
5.1
Service cable ......................................................................................................................................... 9
5.2
Location of the service connector (mini USB type) ................................................................................ 9
5.3
Periodic calibration check .................................................................................................................... 10
5.4
Replacing the battery .......................................................................................................................... 11
5.5
Cleaning or replacing the dust filter ..................................................................................................... 11
6
Firmware updates .................................................................................................................................. 11
7
Technical data ....................................................................................................................................... 12
7.1
Specifications ...................................................................................................................................... 12
7.2
Dew point accuracy ............................................................................................................................. 13
8
Accessories ........................................................................................................................................... 14
9
Supporting documents ......................................................................................................................... 14
10
Document releases................................................................................................................................ 14
