Amprobe DMIII-Multitest Power-Quality-Recorder - Manual (Page 3)

AMPROBE
DMIII MULTITEST
EN-1
INDEX
1. SAFETY PRECAUTIONS AND PROCEDURES .......................................................................................... 4
1.1. Forwards .................................................................................................................................................................. 4
1.2. Preliminary Instruction ............................................................................................................................................. 4
1.3. During Use ............................................................................................................................................................... 5
1.4. After Use .................................................................................................................................................................. 5
2. GENERAL DESCRIPTION ........................................................................................................................... 6
2.1. Introduction .............................................................................................................................................................. 6
2.2. Functions ................................................................................................................................................................. 6
3. PREPARATION FOR USE ........................................................................................................................... 7
3.1. Initial Control ............................................................................................................................................................ 7
3.2. Power Supply ........................................................................................................................................................... 7
3.3. Calibration ................................................................................................................................................................ 8
3.4. Storage .................................................................................................................................................................... 8
4. INSTRUMENT DESCRIPTION ..................................................................................................................... 9
4.1. Display Description ................................................................................................................................................ 10
4.2. Initial Screen .......................................................................................................................................................... 10
4.3. Backlight function ................................................................................................................................................... 10
5. INITIAL SETTINGS ......................................................................................................................................11
5.1. How To Adjust The Contrast .................................................................................................................................. 11
5.2. How To Set Date And Time ................................................................................................................................... 11
5.3. How To Set The Language .................................................................................................................................... 11
5.4. How To Adjust The Country ................................................................................................................................... 11
5.5. RESET ................................................................................................................................................................... 12
6. SAFETY TEST FUNCTIONS .......................................................................................................................13
6.1. LOW  : Continuity Test with 200mA Test Current ................................................................................................. 13
6.1.1. Calibrating the test leads ("CAL" Mode) ..........................................................................................................................14
6.1.2. Measurement Procedure .................................................................................................................................................16
6.1.3. Results of "AUTO" mode .................................................................................................................................................17
6.1.4. Results of "RT+" and "RT-" modes ..................................................................................................................................17
6.1.5. "AUTO", RT+", "RT-" faulty cases ....................................................................................................................................19
6.2. INSULATION TEST: Insulation Resistance Measurement ....................................................................................... 21
6.2.1. Measurement Procedure .................................................................................................................................................21
6.2.2. Results of "MAN" mode ...................................................................................................................................................23
6.2.3. Results of "TMR" mode ....................................................................................................................................................24
6.2.4. "MAN" and "TIMER" mode faulty cases ...........................................................................................................................25
6.3.
: Phase Sequence Indicator ............................................................................................................................. 26
6.3.1. Measurement procedure and results of " " mode .......................................................................................................26
6.3.2.
Faulty Cases ............................................................................................................................................................28
6.4. GROUND TEST: Soil Resistance and Resistivity Measurements ......................................................................... 30
6.4.1. Measurement procedure and results of "2-W"and "3-W" mode .......................................................................................30
6.4.2. Measurement procedure and results of "

" mode .........................................................................................................32
6.4.3. "2-W", "3-W" and "

" faulty cases ..................................................................................................................................34
7. POWER QUALITY .......................................................................................................................................36
7.1. Basic Setting: ANALYZER CONFIG ...................................................................................................................... 37
7.1.1. Type of electrical system under test ................................................................................................................................37
7.1.2. How to set the fundamental frequency ............................................................................................................................37
7.1.3. How to set the Clamp Type..............................................................................................................................................38
7.1.4. How to set the current range............................................................................................................................................38
7.1.5. How to set the value of the transformer voltage ratio (TV RATIO) ..................................................................................38
7.1.6. How to enable/disable the password ...............................................................................................................................38
7.2. Basic Setting: RECORDER CONFIG..................................................................................................................... 39
7.3. POWER QUALITY FUNCTIONS ........................................................................................................................... 46