User Manual
HT211
EN - 1
TABLE OF CONTENTS
1. SAFETY PRECAUTIONS AND PROCEDURES .......................................................... 2
1.1. Preliminary ........................................................................................................................ 2
1.2. During use ......................................................................................................................... 3
1.3. After use ............................................................................................................................ 3
1.4. Measuring (overvoltage) categories definitions ................................................................. 3
2. GENERAL DESCRIPTION ........................................................................................... 4
3. PREPARATION FOR USE ........................................................................................... 4
3.1. Initial .................................................................................................................................. 4
3.2. Supply voltage ................................................................................................................... 4
3.3. Storage .............................................................................................................................. 4
4. NOMENCLATURE ........................................................................................................ 5
4.1. Instrument description ....................................................................................................... 5
4.2. Description of function keys .............................................................................................. 6
4.2.1. HOLD/
key ............................................................................................................................. 6
4.2.2. RANGE key ................................................................................................................................ 6
4.2.3. MAX MIN key .............................................................................................................................. 6
4.2.4. MODE key .................................................................................................................................. 6
4.2.5. Auto Power OFF ......................................................................................................................... 6
5. OPERATING INSTRUCTIONS ..................................................................................... 7
5.1. DC Voltage measurement ................................................................................................. 7
5.2. AC Voltage measurement ................................................................................................. 8
5.3. Frequency and Duty Cycle measurements ....................................................................... 9
5.4. Resistance measurements .............................................................................................. 10
5.5. Diode test and Continuity test ......................................................................................... 11
5.6. Capacitance measurement ............................................................................................. 12
5.7. Temperature measurement with type K probe ................................................................ 13
5.8. DC Current measurement ............................................................................................... 14
5.9. AC Current measurement ............................................................................................... 15
6. MAINTENANCE .......................................................................................................... 16
6.1. General information ......................................................................................................... 16
6.2. Batteries and fuses replacement ..................................................................................... 16
6.3. Cleaning .......................................................................................................................... 16
6.4. End of life ........................................................................................................................ 16
7. TECHNICAL SPECIFICATIONS ................................................................................. 17
7.1. Technical features ........................................................................................................... 17
7.1.1. Reference guidelines ................................................................................................................ 19
7.1.2. General data ............................................................................................................................. 19
7.2. Environment .................................................................................................................... 19
7.2.1. Environmental conditions ......................................................................................................... 19
7.3. Accessories ..................................................................................................................... 19
7.3.1. Standard accessories ............................................................................................................... 19
7.3.2. Optional accessories ................................................................................................................ 19
8. SERVICE .................................................................................................................... 20
8.1. Warranty conditions......................................................................................................... 20
8.2. After-sale service............................................................................................................. 20