3
CONTENTS
1.1. Unpacking ...................................................................................................................................................................... 4
1.2. Charging the battery ....................................................................................................................................................... 5
1.3. Carrying the device ........................................................................................................................................................ 5
1.4. Contrast and brightness of the display .......................................................................................................................... 6
1.5. Use on a desktop ........................................................................................................................................................... 6
1.6. Choice of language ........................................................................................................................................................ 7
2.1. Functions of the device ................................................................................................................................................. 9
2.2. Keypad ........................................................................................................................................................................... 9
2.3. Display unit ................................................................................................................................................................... 10
3.1. General ......................................................................................................................................................................... 11
3.2. Voltage measurement ................................................................................................................................................... 11
3.3. Resistance and continuity measurement ..................................................................................................................... 13
3.4. Insulation resistance measurement .............................................................................................................................. 17
3.5. 3P earth resistance measurement ................................................................................................................................ 20
3.6. Loop impedance measurement (Z
3.7. Measurement of the line impedance (Z
3.8. Earth measurement on live circuit (Z
3.9. Selective earth measurement on live circuit ................................................................................................................. 35
3.10. Test of residual current device .................................................................................................................................... 38
3.11. Current and leakage current measurement ................................................................................................................ 46
3.12. Direction of phase rotation ......................................................................................................................................... 48
3.13. Compensation for the resistance of the measurement leads ..................................................................................... 50
3.14. Adjustment of the alarm threshold ............................................................................................................................. 52
4.1. No connection .............................................................................................................................................................. 54
4.2. Out of measurement range ........................................................................................................................................... 54
4.3. Presence of dangerous voltage .................................................................................................................................... 54
4.4. Invalid measurement .................................................................................................................................................... 54
4.5. Device too hot .............................................................................................................................................................. 54
4.6. Check of internal protection devices ............................................................................................................................ 55
5. SET-UP .................................................................................................................................................................................... 56
6. TECHNICAL CHARACTERISTICS ........................................................................................................................................ 59
6.1. General reference conditions ....................................................................................................................................... 59
6.2. Electrical characteristics............................................................................................................................................... 59
6.3. Variations in the range of use ....................................................................................................................................... 70
6.4. Intrinsic uncertainty and operating uncertainty ............................................................................................................ 72
6.5. Power supply ................................................................................................................................................................ 72
6.6. Environmental conditions ............................................................................................................................................. 74
6.7. Mechanical characteristics .......................................................................................................................................... 74
6.8. Conformity to international standards .......................................................................................................................... 75
6.9. Electromagnetic compatibility (EMC) ........................................................................................................................... 75
7. DEFINITIONS OF SYMBOLS ................................................................................................................................................. 76
8. MAINTENANCE ...................................................................................................................................................................... 78
8.1. Cleaning ....................................................................................................................................................................... 78
8.2. Replacing the battery ................................................................................................................................................... 78
8.3. Resetting the device ..................................................................................................................................................... 79
8.4. Metrological check ....................................................................................................................................................... 79
8.5. Repair ........................................................................................................................................................................... 79
9. WARRANTY ........................................................................................................................................................................... 80
10. TO ORDER ............................................................................................................................................................................ 81