Manual

GSC53N - GSC57 - ZG47
EN - 1
INDEX
1. SAFETY PRECAUTIONS AND PROCEDURES .......................................................................................... 4
1.1. GENERAL ................................................................................................................................................................ 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 ........................................................................................................................... 8
3.1. Initial Control ............................................................................................................................................................ 8
3.2. Power Supply ........................................................................................................................................................... 8
3.3. Calibration ................................................................................................................................................................ 9
3.4. Storage .................................................................................................................................................................... 9
4. INSTRUMENT DESCRIPTION ....................................................................................................................10
4.1. Display Description ................................................................................................................................................ 11
4.2. Initial Screen .......................................................................................................................................................... 11
4.3. Backlight function ................................................................................................................................................... 11
5. INITIAL SETTINGS ......................................................................................................................................12
5.1. How to Adjust the Contrast .................................................................................................................................... 12
5.2. How to Set Date and Time ..................................................................................................................................... 12
5.3. How to Set the Language ...................................................................................................................................... 12
5.4. Reset ..................................................................................................................................................................... 13
6. SAFETY TEST FUNCTIONS .......................................................................................................................14
6.1. LOW : Continuity Test with 200mA Test Current ................................................................................................. 14
6.1.1. Calibrating the test leads ("CAL" Mode) ..........................................................................................................................15
6.1.1.1. Procedure to reset test leads’ calibration parameters...................................................................... 16
6.1.2. Measurement Procedure .................................................................................................................................................17
6.1.3. Results of "AUTO" mode .................................................................................................................................................18
6.1.4. Results of "RT+" and "RT-" modes ..................................................................................................................................18
6.1.5. "AUTO", RT+", "RT-" faulty cases ....................................................................................................................................19
6.2. M : Insulation resistance Measurement with 50V, 100V, 250V, 500V, 1000V Test Voltage ...................................... 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. RCD: Test on "A" and "AC" RCDs Type ................................................................................................................ 26
6.3.1. Tripping times for the general and selective RCDs..........................................................................................................28
6.3.2. Measurement procedure ..................................................................................................................................................29
6.3.2.1. Results of "x½" mode ...................................................................................................................... 30
6.3.2.2. Results of "x1, x2, x5" mode ............................................................................................................ 31
6.3.2.3. Results of "AUTO" mode ................................................................................................................. 32
6.3.2.4. Results of "RAMP " mode .......................................................................................................... 33
6.3.2.5. Results of " R
A
" mode .................................................................................................................. 34
6.3.3. RCD Faulty cases ............................................................................................................................................................35
6.3.3.1. Connection troubles......................................................................................................................... 35
6.3.3.2. RCD tripping "faulty cases" ............................................................................................................. 37
6.4. LOOP : Measurement of Line Impedance, Fault loop Impedance, Prospective Short Circuit Current
Calculation and Phase Sequence Indicator ........................................................................................................... 40
6.4.1. High resolution Impedance measurement (0.1m ) ........................................................................................................40
6.4.2. Measurement procedure and results of "P-N" mode .......................................................................................................41
6.4.3. Measurement procedure and results of "P-P" mode........................................................................................................43
6.4.4. Measurement procedure and results of "P-PE" mode .....................................................................................................45
6.4.5. Measurement procedure and results of " R
A
" mode ...................................................................................................47
6.4.6. Measurement procedure and results of " " mode .......................................................................................................49
6.4.7. LOOP Faulty Cases ..................................................................................................................................................50