HT HT7 Bedienungsanleitung Seite 20

TABLE OF CONTENT
1. SAFETY PRECAUTIONS AND PROCEDURES .......................................................... 2
1.1. Preliminary ........................................................................................................................ 2
1.2. During use ......................................................................................................................... 2
1.3. After use ............................................................................................................................ 3
1.4. Overvoltage categories - definitions .................................................................................. 3
2. GENERAL DESCRIPTION ........................................................................................... 4
3. PREPARATION FOR USE ........................................................................................... 4
3.1. Initial check........................................................................................................................ 4
3.2. Supply voltage ................................................................................................................... 4
3.3. Storage .............................................................................................................................. 4
4. NOMENCLATURE ........................................................................................................ 5
4.1. Instrument description ....................................................................................................... 5
4.2. Description of symbols at display ...................................................................................... 5
4.3. Initial autotest .................................................................................................................... 5
5. OPERATING INSTRUCTIONS ..................................................................................... 6
5.1. DC Voltage measurement ................................................................................................. 6
5.2. AC Voltage measurement ................................................................................................. 7
5.3. AC Voltage measurement with low input impedance ........................................................ 8
5.4. 1-wire AC Voltage Detection (polarity) .............................................................................. 9
5.5. Phase sequence indication ............................................................................................. 10
5.6. Continuity test.................................................................................................................. 11
6. MAINTENANCE ......................................................................................................... 12
6.1. General information ......................................................................................................... 12
6.2. BatterY replacement ........................................................................................................ 12
6.3. Cleaning .......................................................................................................................... 12
6.4. End of life ........................................................................................................................ 12
7. TECHNICAL SPECIFICATIONS ................................................................................ 13
7.1. Technical characteristics ................................................................................................. 13
7.1.1. Reference guidelines ................................................................................................................ 13
7.1.2. General specifications .............................................................................................................. 13
7.2. Environment .................................................................................................................... 14
7.2.1. Environmental conditions ......................................................................................................... 14
7.3. Accessories ..................................................................................................................... 14
7.3.1. Standard accessories ............................................................................................................... 14
7.3.2. Optional accessories ................................................................................................................ 14
8. SERVICE .................................................................................................................... 15
8.1. Warranty conditions ......................................................................................................... 15
8.2. Service ............................................................................................................................ 15
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HT7