HT instruments EQUITEST5071 - Manual (Page 3)

EQUITEST 5071
EN - 1
Table of contents
1.
PRECAUTIONS AND SAFETY MEASURES .................................................................. 2
1.1. Preliminary instructions ......................................................................................................... 2
1.2. During use ............................................................................................................................. 3
1.3. After use ................................................................................................................................ 3
Definition of measurement (overvoltage) category ......................................................................... 3
2. GENERAL DESCRIPTION .............................................................................................. 4
3. PREPARATION FOR USE .............................................................................................. 4
3.1. Initial checks .......................................................................................................................... 4
3.2. Instrument power supply ....................................................................................................... 4
3.3. Calibration ............................................................................................................................. 4
3.4. Storage .................................................................................................................................. 4
4. INSTRUMENT DESCRIPTION ........................................................................................ 5
4.1. Front panel ............................................................................................................................ 5
4.2. Input and output leads ........................................................................................................... 5
4.3. Description of function keys .................................................................................................. 6
4.4. Display description ................................................................................................................ 6
4.5. Initial screen .......................................................................................................................... 6
4.6. Backlight ................................................................................................................................ 7
5. INITIAL SETTINGS ......................................................................................................... 7
5.1. Adjusting display contrast ...................................................................................................... 7
5.2. Adjusting date and time ......................................................................................................... 8
5.3. Language setting ................................................................................................................... 8
6. OPERATING INSTRUCTIONS ........................................................................................ 9
6.1. LOW: Continuity of protective conductors with 200mA....................................................... 9
6.1.1. Calibration of measuring cables .................................................................................................. 10
6.1.2. Measuring.................................................................................................................................... 11
6.1.2.1. Anomalous situations in "AUTO", "RT+", "RT-" mode........................................................................... 13
6.2. LOW10A: Continuity of protective conductors with 10A ................................................... 14
6.2.1. Measuring.................................................................................................................................... 14
6.2.2. Anomalous situations .................................................................................................................. 16
6.3. LOW10AE204: Continuity 10A in compliance with IEC/EN60204-1:2006 ........................ 17
6.3.1. Measuring.................................................................................................................................... 18
6.3.2. Anomalous situations .................................................................................................................. 20
6.4. LOOP/Ra : Loop impedance, overall earth resistance and phase sequence .................. 21
6.4.1. High-resolution impedance measurement (0.1 m
) ................................................................... 22
6.4.2. "P-N" mode: measurement procedure and results ..................................................................... 22
6.4.3. "P-P" mode: measurement procedure and results...................................................................... 24
6.4.4. "P-PE" mode: measurement procedure and results ................................................................... 25
6.4.5. "R
A
" mode: measurement procedure and results ................................................................... 27
6.4.6. " " mode: measurement procedure and results ....................................................................... 29
6.4.6.1. Anomalous situations in "P-P", "P-N", "P-PE","R
A
", " " mode ...................................................... 30
7. OPERATIONS WITH THE MEMORY ............................................................................ 34
7.1. Storage of measurement results ......................................................................................... 34
7.2. Recalling and deleting data from the memory ..................................................................... 34
8. CONNECTING THE INSTRUMENT TO THE PC .......................................................... 35
9. MAINTENANCE ............................................................................................................ 36
9.1. General information ............................................................................................................. 36
9.2. Battery replacement ............................................................................................................ 36
9.3. Cleaning the instrument ...................................................................................................... 36
9.4. End of life ............................................................................................................................ 36
10. TECHNICAL SPECIFICATIONS ............................................................................. 37
10.1. Reference standards ........................................................................................................... 38
10.2. General characteristics ........................................................................................................ 38
10.3. Environmental conditions .................................................................................................... 38
10.4. Accessories ......................................................................................................................... 38
11. SERVICE ................................................................................................................ 39
11.1. Warranty conditions ............................................................................................................. 39
11.2. Service ................................................................................................................................ 39