HT Instruments HTA105 Bedienungsanleitung Seite 36

TABLE OF CONTENTS
1. PRECAUTIONS AND SAFETY MEASURES ............................................................... 2
1.1. Preliminary instructions ................................................................................................... 2
1.2. During use ...................................................................................................................... 2
1.3. After use ......................................................................................................................... 2
2. GENERAL DESCRIPTION ........................................................................................... 3
3. PREPARATION FOR USE ........................................................................................... 3
3.1. Initial checks ................................................................................................................... 3
3.2. Instrument power supply ................................................................................................. 3
3.3. Storage ........................................................................................................................... 3
4. NOMENCLATURE ........................................................................................................ 4
4.1. Description of the instrument ........................................................................................... 4
4.2. Description of the display ................................................................................................ 4
4.3. Description of function keys ............................................................................................ 5
4.3.1. ON/OFF key................................................................................................................................ 5
4.3.2. Key HLD ..................................................................................................................................... 5
4.3.3. Key /SET ................................................................................................................................. 5
4.3.4. Key ENT ..................................................................................................................................... 5
Key UNIT ................................................................................................................................. 5
4.3.5.
4.3.6. Key UNIT ................................................................................................................................. 5
4.3.7. Key FLOW/TEMP ....................................................................................................................... 5
4.3.8. Key MAXMIN .............................................................................................................................. 5
4.3.9. Key MEAN .................................................................................................................................. 5
4.4. Instrument settings .......................................................................................................... 6
5. OPERATING INSTRUCTIONS ..................................................................................... 8
5.1. Measurement of air speed and temperature .................................................................... 8
5.2. Measuring volumetric flow rate and air humidity .............................................................. 9
5.3. Calculating average values of quantities ....................................................................... 10
5.3.1. Average value calculated by spots ........................................................................................... 10
5.3.2. Average value calculated over time ......................................................................................... 11
6. MAINTENANCE.......................................................................................................... 12
6.1. General information ...................................................................................................... 12
6.2. Replacing the battery .................................................................................................... 12
6.3. Cleaning the instrument ................................................................................................ 12
6.4. End of life ...................................................................................................................... 12
7. TECHNICAL SPECIFICATIONS ................................................................................ 13
7.1. Technical characteristics ............................................................................................... 13
7.1.1. General characteristics ............................................................................................................. 13
7.2. Environment .................................................................................................................. 14
7.2.1. Environmental conditions for use ............................................................................................. 14
7.3. Accessories .................................................................................................................. 14
8. ASSISTANCE ............................................................................................................. 15
8.1. Warranty conditions ...................................................................................................... 15
8.2. Assistance .................................................................................................................... 15
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HTA105