HT Instruments FLASHMETER Bedienungsanleitung Seite 20

TABLE OF CONTENTS
1. PRECAUTIONS AND SAFETY MEASURES ............................................................... 2
1.1. Preliminary instructions ..................................................................................................... 2
1.2. During use ......................................................................................................................... 3
1.3. After use ............................................................................................................................ 3
1.4. Definition of Measurement (Overvoltage) category ........................................................... 3
2. GENERAL DESCRIPTION ........................................................................................... 4
2.1. Measuring average values andTRMS values .................................................................... 4
2.2. Definition of true root mean square value and Crest factor ............................................... 4
3. PREPARATION FOR USE ........................................................................................... 5
3.1. Initial checks ...................................................................................................................... 5
3.2. Instrument power supply ................................................................................................... 5
3.3. Storage .............................................................................................................................. 5
4. NOMENCLATURE ........................................................................................................ 6
4.1. Description of the instrument ............................................................................................. 6
4.2. Description of the symbols on the display ......................................................................... 6
4.3. Description of function keys .............................................................................................. 7
4.3.1. ON/OFF key ( ) ......................................................................................................................... 7
4.3.2. HOLD/
4.3.3. V/Ω/ key ................................................................................................................................... 7
4.3.4. Detection of AC voltage without contact ..................................................................................... 7
4.3.5. Auto-Power-Off function ............................................................................................................. 7
5. OPERATING INSTRUCTIONS ..................................................................................... 8
5.1. DC Voltage measurement ................................................................................................. 8
5.2. AC Voltage measurement ................................................................................................. 9
5.3. Resistance measurement ................................................................................................ 10
5.4. Continuity test.................................................................................................................. 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
7.2. General characteristics .................................................................................................... 13
7.3. Environment .................................................................................................................... 14
7.3.1. Environmental conditions for use ............................................................................................. 14
7.4. Accessories ..................................................................................................................... 14
7.4.1. Standard accessories ............................................................................................................... 14
8. ASSISTANCE ............................................................................................................. 15
8.1. Warranty conditions ......................................................................................................... 15
8.2. Assistance ....................................................................................................................... 15
................................................................................................................................. 7
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FLASHMETER