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GSC53N - GSC57 - ZG47

EN - 127

17.2. Insulation Resistance Measurement of The Electrical Installations (250Vdc,

500Vdc, 1000Vdc)



EXAMPLE OF INSULATION MEASUREMENT ON AN INSTALLATION

OPEN

Insulation measurements on an installation.

Switch A

Switch B

Switch C

Switch E
near the
washing
machine with
the purpose
of
separating
this from the
installation.

FM socket

Enel meter

Switch D near
the boiler with the
purpose of
separating this
from the
installation.

Содержание GSC53N

Страница 1: ...Copyright HT ITALIA 2012 Release EN 1 08 28 02 2012 GSC53N GSC57 ZG47 Instruction Manual...

Страница 2: ......

Страница 3: ...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...

Страница 4: ...transformer voltage ratio TV RATIO 75 8 1 6 How to enable disable the password 75 8 2 Basic Setting RECORDER CONFIG 76 8 3 ANALYSER FUNCTIONS 83 8 4 VOLTAGE Function 84 8 4 1 Symbols 84 8 4 2 METER mo...

Страница 5: ...5 17 2 Insulation Resistance Measurement of The Electrical Installations 250Vdc 500Vdc 1000Vdc 127 17 3 Check of the Circuit Separation 130 17 4 Earth Resistance Measurement in TT Systems 133 17 5 Wor...

Страница 6: ...display reading etc Do not use the External power supply adapter code A0050 optional for GSC57 if you notice deformation or breakage in the case in the wire or in the plugs Pay careful attention when...

Страница 7: ...strument is connected to the circuit under test do not touch any unused terminal Avoid to effect resistance measurements in the presence of external voltages even though the instrument is protected a...

Страница 8: ...e Tripping current Contact voltage Ut Global earth resistance Ra Under this mode the instrument can measure the overall earth resistance without causing RCD tripping LOOP Measurement of line and fault...

Страница 9: ...ible to analyse the recorded data ONLY by transferring them to a PC record simultaneously pressing the START key values of Voltage and Current values coming from test leads and Clamps using Typical Co...

Страница 10: ...e For battery life see paragraph 15 3 2 an external power supply adapter code A0050 optional for GSC57 to be used only for ANALYSER and AUX function We recommend You to use only A0050 HT Power Supply...

Страница 11: ...nt is displaying in real time and the external power supply adapter is not connected after about 5 minutes from the last key pressure or switch rotation the instrument turns off automatically AUTOPOWE...

Страница 12: ...ess it briefly to activate the backlight function This key start and stop the measurement This key allows to save the result displayed This key has a double function it is the confirmation key inside...

Страница 13: ...in the following illustrations 4 2 INITIAL SCREEN When turning on the instrument by pressing ON OFF this screen will appear for a few seconds G S C 5 3 N H T I T A L I A SN 00000000 V X XX Baud Rate 5...

Страница 14: ...and press the ENTER key to SAVE the change or press ESC to quit the modification This setting will remain unchanged after turning off the instrument 5 2 HOW TO SET DATE AND TIME By pressing the keys...

Страница 15: ...Start MANU the recording is started at 00 sec mark on clock after pressing the START STOP key Stop MANU Integration period 15min Recording of harmonics ON Recording of Voltage anomalies Sag and Surge...

Страница 16: ...le the instrument is carrying out the test so detecting any bad connection Mode RT measurement with negative polarity and possibility of setting the duration time of the test In this case the operator...

Страница 17: ...r see previous picture 4 Press the F2 key The instrument carries out the calibration WARNING Never disconnect the test leads when the message MEASURING is displayed LOW 05 06 01 R R mA mA AUTO 0 11 A...

Страница 18: ...is not referred to the cable in use therefore a new calibration must be effected 6 1 1 1 Procedure to reset test leads calibration parameters To cancel calibration parameters it is necessary to effec...

Страница 19: ...parts of the crocodiles make a good contact to each other Press the START key If the display doesn t show 0 00 repeat the test leads calibration see paragraph 6 1 1 5 Connect the instrument terminals...

Страница 20: ...and RT modes if a resistance value RT or RT lower than 5 is detected the instrument emits a double sound signal indicating the positive outcome of the test displays one screen similar to the screen al...

Страница 21: ...e terminal voltage is higher than 15V the instrument does not carry out the test and displays the screen alongside for 5 seconds LOW 05 06 01 R R mA mA VOLT IN INPUT AUTO 0 11 ATTENTION the test was n...

Страница 22: ...AUTO 0 11 Test current FUNC CAL The displayed result can be stored pressing the SAVE key twice according to paragraph 9 1 If the value of Resistance is higher than 99 9 the instrument emits a long so...

Страница 23: ...the test leads to the instrument input terminals B1 and B4 respectively M B2 B3 B4 B1 I1 I2 I3 Example insulation measurement between phase and earth in an electrical installation using untied cables...

Страница 24: ...to Table1 WARNING The value of set limit in MAN mode is used in TIMER mode also although the LIM message doesn t appear at display 7 If the TMR mode was selected use the F3 F4 keys to set the duration...

Страница 25: ...N 500V LIM 0 50M Set limit value FUNZ VNOM Nominal voltage test The displayed result can be stored pressing the SAVE key twice according to paragraph 9 1 If the Insulation resistance is higher than RM...

Страница 26: ...est mode OK TMR 500V TIME 60s FUNZ VNOM Set test time The displayed result can be stored pressing the SAVE key twice according to paragraph 9 1 If the Insulation resistance is higher than RMAX see Tab...

Страница 27: ...e Nominal Test Voltage it will emits a long acoustic signal and displays a screen similar to the screen alongside M 05 06 01 Insulation Resistance 1 17 M 107V 15s NOT OK MAN 500V LIM 0 50M ATTENTION t...

Страница 28: ...with a leakage current equal to once the value of the rated current set Mode x 2 the instrument effects the test with a leakage current equal to twice the value of the rated current set Mode x 5 the i...

Страница 29: ...r each step Example Test with AUTO mode on a RCD with I n 30mA a the instrument effects the test at I n 0 The RCD must not trip b The instrument effects the test at I n 180 The RCD must not trip For a...

Страница 30: ...0 05s 0 05s Minimum tripping time in seconds For rated values I N 30mA the test current at five times is 0 25A For currents equal to I N the RCD shall not trip in any case Table 3 Table of tripping ti...

Страница 31: ...e instrument B1 B3 B4 P B2 B3 B4 B1 I1 I2 I3 Instrument connection for 230V single phase RCD check B2 B3 B4 B1 I1 I2 I3 1 3 N Instrument connection for 400V N PE three phase RCD check B2 B3 B4 B1 I1 I...

Страница 32: ...instrument emits a double sound signal indicating the positive outcome of the test and displays the screen alongside RCD 05 06 01 The symbol means that the RCD did not trip 999 ms FRQ 50 0Hz Ut 1V VP...

Страница 33: ...s reported in Table 3 the instrument emits a double sound signal indicating the positive outcome of the test and displays the screen alongside RCD 05 06 01 Tripping time expressed in milliseconds 49 m...

Страница 34: ...lues of tripping times are within the limits reported in Table 3 WARNING Never disconnect the test leads from the circuit under test when the message MEASURING is displayed At the end of the test if a...

Страница 35: ...urrent is lower than I n Type AC or 1 4I n Type A with I n 10mA or 2I n Type A with I n 10mA the instrument emits a double sound signal indicating the positive outcome of the test and displays the scr...

Страница 36: ...signal indicating the positive outcome of the test and displays the screen alongside RCD 05 06 01 Global Earth Resistance Value 12 FRQ 50 0Hz Ut 1V VP N 231V VP PE 231V Ut OK RA 30mA 50V Value of cont...

Страница 37: ...OLTAGE x1 30mA 50V NO VOLTAGE Detected FUNC IdN RCD UL Should the instrument detect a voltage between phase and neutral higher of 265V for example in case the blue cable is connected to an installatio...

Страница 38: ...z Ut V VP N 130V VP PE 227V CHANGE N PE x1 30mA 50V Neutral and Protection Conductors are exchanged FUNC IdN RCD UL If a contact voltage Ut higher than the selected limit UL is detected the instrument...

Страница 39: ...reen alongside RCD 05 06 01 1800 FRQ 50 0Hz Ut 54V VP N 234V VP PE 34V UT NOT OK RA 30mA 50V The instrument doesn t detect an efficient protection circuit FUNC IdN RCD UL The test can be stored pressi...

Страница 40: ...ng time is bigger than the maximum measurable time it depends on type of test see following table 999 ms FRQ 50 0Hz Ut 1V VP N 231V VP PE 230V TIME NOT OK x1 30mA 50V ATTENTION the tripping time is hi...

Страница 41: ...06 01 Maximum current generated by the instrument during the test for general RCDs the value indicated is referred to an AC type 30mA RCD in this case the maximum current supplied is equal to 1 4xI N...

Страница 42: ...conductors with a test current of 15mA in order to avoid RCD tripping and calculates the phase to earth prospective short circuit current Mode the instrument detect the Phase Sequence in a three phas...

Страница 43: ...e taken as such impedances would be in parallel with the line impedance to be measured 5 Press the START key The instrument starts the test WARNING The measurement in a 230V System make flow a test cu...

Страница 44: ...a for calculation of prospective short circuit current PN N CC Z U I where UN Nominal phase to neutral voltage 127 if Vmeas 150 230 if 150V Vmeas 250 This result can be stored pressing the SAVE key tw...

Страница 45: ...rement is to be taken as such impedance would be in parallel with the line impedance to be measured 5 Press the START key The instrument starts the test WARNING The P P measurement in a 400V system ma...

Страница 46: ...est when the message MEASURING is displayed Formula for calculation of prospective short circuit current PN N CC Z U I where UN phase to phase voltage 127 if Vmeas 150 230 if 150V Vmeas 260 400 if Vme...

Страница 47: ...shuko plug into a 230V 50Hz socket or the crocodiles to the conductors of the three phase system see previous pictures 4 The key F4 permits to select one of the following limit values for the contact...

Страница 48: ...of the phase to Earth prospective short circuit current expressed in Ampere calculated according to the following formula FUNC Z2 Working mode WARNING Never disconnect the test leads from the circuit...

Страница 49: ...odiles to the conductors of the three phase system see previous pictures 4 If possible disconnect all low impedance loads downstream the point at which the measurement is to be taken as such impedance...

Страница 50: ...2 115A Freq 50 0HZ VP N 231V Vp PE 231V RA Effective value of the phase to Earth prospective short circuit current expressed in Ampere calculated according to the following formula FUNC Working mode F...

Страница 51: ...connection for Phase Sequence Detection in a 400V three phase system 3 Press the START key to execute a test At the end of the test the instrument emits a double sound signal indicating that the test...

Страница 52: ...and or neutral cables are not connected to an installation screen alongside is displayed when pressing START LOOP 05 06 01 A FRQ 50 0HZ VP N 1V VP PE 0V NO VOLTAGE P PE 50V NO VOLTAGE Detected FUNC Z2...

Страница 53: ...ed with the Protection Conductors The instrument does not effect the test Reverse the phase to earth connection in the plug or exchange the black cable with the green one LOOP 05 06 01 A FRQ 50 0HZ VP...

Страница 54: ...he earth conductor or the earth installation itself seem to be unrealiable the message alongside is displayed Check the efficiency of the protective conductor as well as the earth installation LOOP 05...

Страница 55: ...VR S 391V VS T 0 V VT R 0V LOW VOLTAGE T PHASE ROTATION Phase T2 Voltage is lower than 100V FUNC Using the mode if the instrument detect two phases connected together displays the screen indicated on...

Страница 56: ...een alongside is displayed LOOP 05 06 01 Message 1999 means that the Resistance measured is higher than the maximum measurable 1999 A FRQ 50 0HZ VP N 1V Vp PE 0V RA 50V FUNC UL This result can be stor...

Страница 57: ...uring modes which can be shown cyclically when pressing the key Mode 2 W the instrument measures the resistance between 2 points Mode 3 W the instrument measures the resistance using two auxiliary ear...

Страница 58: ...he instrument B1 B2 B3 B4 see possible connections in the following pictures B2 B3 B4 B1 I1 I2 I3 1 3 N Connection for 3 point Earth resistance measurement B2 B3 B4 B1 I1 I2 I3 1 1 3 3 N N Transf Conn...

Страница 59: ...V Test 04 RAVG 0 74 3 W Voltage value of electrical noise Number of Test Average Value of Earth Resistance calculated over the Number of Test displayed FUNC CLR 3 Point Working mode 4 The instrument w...

Страница 60: ...the test At the end of the test the instrument emits a double sound signal indicating that the test is correctly terminated and displays the values alongside EARTH 05 06 01 Earth Resistivity value ex...

Страница 61: ...l shows the screen displayed alongside EARTH 05 06 01 Warning symbol Voltage noise in input Vd 230V Test 04 RAVG 0 74 VOLT IN INPUT 3 W FUNC CLR The message Rc high indicates that the instrument can t...

Страница 62: ...ge Rp Check Auxiliary Earth rods FUNC CLR The message Rp and Rc high indicates that the instrument can t measure correctly the Voltage from Auxiliary Earth rod and can t flow the minimum current for m...

Страница 63: ...RAVG 0 74 3 W FUNC CLR This result can be stored pressing the SAVE key twice according to paragraph 9 1 If the Instrument detects a Resistivity value higher than 1999k m the instrument will show the...

Страница 64: ...y RMEAS mode the instrument measures the Resistance value of the Protection conductor Low Voltage Switchgear and control gear assemblies VDROP mode the instrument measures the Voltage Drop and the res...

Страница 65: ...ply socket of the instrument to a power socket using the C5700 cable 5 Press the START key The instrument will execute the measurement WARNING If the instrument displays Measuring it means that it is...

Страница 66: ...splays Measuring it means that it is effecting the measurement During this phase the instrument test leads are not to be disconnected At the end of the test the instrument emits an acoustic signal ind...

Страница 67: ...ernal Power supply adapter connected to instrument will show the message displayed to side LOW 10A 05 06 01 A REMOVE POWER RMEAS RLIM 0 150 Disconnect the External Power Supply Adapter FUNC THE PREVIO...

Страница 68: ...trument emits an acoustic signal and displays a screen similar to displayed to side LOW 05 06 01 Voltage Drop higher than the limit 3 50 V 14 0A 0 350 VDROP SECTION 2 5 Test current Resistance value F...

Страница 69: ...y pressing the START key after a proper setting up to three Input signal simultaneously among the possibilities illustrated above It will be possible to analyse the recorded data ONLY by transferring...

Страница 70: ...R Relative humidity m s Air Speed mV Voltage LUX 20 Illuminance Full Scale 20Lux LUX 2k Illuminance Full Scale 2kLux LUX 20k Illuminance Full Scale 20kLux 3 Connect the External probes or clamps to th...

Страница 71: ...HREE PHASE LOAD OR ELECTRICAL PLANT POSSIBLE ADDITIONAL CLAMPS X DISCONNECT ADDITIONAL GROUNDING Direct Leakage Current measurement in a single phase system Direct Leakage Current measurement in a thr...

Страница 72: ...the F1 F2 keys select the RECORDER CONFIG item and press the ENTER Key WARNING It s not possible to enter the MENU during a recording or a Real Time Energy measurement MENU GENERAL SAFETY TEST MEMORY...

Страница 73: ...RIOD The value of this parameter determines every how many seconds the values of all the selected parameters will be memorised see chapter 16 4 1 Available choices 5sec 10sec 30sec 1min 2min 5min 10mi...

Страница 74: ...e instrument shows the following screen MENU GENERAL SAFETY TEST MEMORY ANALYSER MEMORY RESET ANALYSER CONFIG RECORDER CONFIG CONTRAST DATE TIME LANGUAGE 3 Press MENU key again The instrument displays...

Страница 75: ...resolution It will be possible to analyse the recorded data ONLY by transferring them to a PC record simultaneously pressing the START key values of Voltage and Current values coming from test leads a...

Страница 76: ...be in keeping with the type of system selected Position the cursor on the corresponding word by pressing the keys F1 and F2 and set the desired value by pressing the keys F3 and F4 8 1 2 How to set th...

Страница 77: ...The instrument is provided with a protective routine to avoid the risk of being disturbed or interrupted during a recording or an energy measurement Once a recording or a direct energy measurement has...

Страница 78: ...page Harmonics which permits to select the voltage harmonics to be recorded Press ENTER to confirm the settings and leave the Menu Harmonics Press ESC to leave the Menu Harmonics without modifying the...

Страница 79: ...R to confirm this page and proceed inside the Menu keeping the settings made Press ESC to leave this page without modifying the existing parameters Use the keys F1 F2 to position the cursor on the des...

Страница 80: ...e the keys F3 F4 to select deselect it s selected if marked in black Press ENTER to confirm this page Press ESC to leave this page without modifying the existing settings The instrument will record th...

Страница 81: ...rs for the recording the corresponding reactive energies will be selected RECORDER CONFIG CO GENERATION ON POWER Pg ENERGY Pg RECORDER CONFIG P1 Q1i Q1c S1 Pf1 dPf1 RECORDER CONFIG Pt P12 P32 Qti Q12i...

Страница 82: ...s for the recording the corresponding reactive powers will be selected deselected Selecting deselecting the reactive energies for the recording the corresponding reactive powers will be selected desel...

Страница 83: ...nt 2 and 3 while it will not record nothing about Phase Current 1 OFF theinstrumentwillnotrecordanyvoltageorcurrentharmonicselected ANOM REC ON the Instrument will record Voltage Anomalies voltage Sag...

Страница 84: ...lues of the apparent power total of phase 1 phase 2 phase 3 only for 3 wires measurement value of the power measured by the VA meters 1 2 and 3 2 respectively Single phase S1 3 wires St 4 wires St S1...

Страница 85: ...ed to display active reactive and apparent power power factor cos and energy see paragraph 8 7 More practically we may schematise the right procedure of use the ANALYSER function as follows 1 Check an...

Страница 86: ...f phase 1 phase 2 phase 3 respectively V12 V23 or V32 V31 RMS Value of the phase to phase voltages Vpk1 Vpk2 Vpk3 Vpk12 Vpk32 Peak value of the voltage of phase 1 phase 2 phase 3 and of the phase to p...

Страница 87: ...ragraph 8 4 3 F2 to pass to WAVE mode see paragraph 8 4 4 F3 F4 to pass to previous next function respectively SAVE to save in the instrument memory a record of Smp type see paragraph 9 2 containing t...

Страница 88: ...lculated on the basis of the fundamental are updated F1 only for three phase mode to display the values of the harmonics of the other voltages available The voltage displayed is indicated above the F3...

Страница 89: ...us values of voltage and current present on the instrument inputs This function is disabled during a recording ENTER HOLD to enable disable the HOLD function updating interruption of the displayed dat...

Страница 90: ...des METER WAVE HARM These modes will be described in detail in the next paragraphs The symbols used are described below Symbol Description I1 I2 I3 RMS value of the current of phase 1 phase 2 phase 3...

Страница 91: ...mode see paragraph 8 5 3 F2 to pass to WAVE mode see paragraph 8 5 4 F3 F4 to pass to previous next function respectively SAVE to save in the instrument memory a record of Smp type see paragraph 9 2...

Страница 92: ...d on the basis of the fundamental are updated F1 only for three phase mode to display the values of the harmonics of the other voltages available The voltage displayed is indicated above the F3 key F2...

Страница 93: ...neous values of voltage and current present on the instrument inputs This function is disabled during a recording ENTER HOLD to enable disable the HOLD function updating interruption of the displayed...

Страница 94: ...een wires 020 null voltages on the black and green wires 003 null voltages on the black and red wires I1 I2 I3 RMS value of the current of phase 1 phase 2 phase 3 respectively IN RMS value of the curr...

Страница 95: ...e 3 wires total three phase values Wattmeter phases 1 2 and 2 3 values Peak Demand Three phase 4 wires total three phase values phase1 phase2 and phase3 values Peak Demand F2 to pass to WAVE mode see...

Страница 96: ...Wattmeter phases 1 2 and 2 3 values Peak Demand Three phase 4 wires total three phase values phase1 phase2 and phase3 values Peak Demand F3 F4 to pass to previous next function respectively SAVE to sa...

Страница 97: ...to METER mode see paragraph 8 6 2 SAVE to save in the instrument memory a record of Smp type see paragraph 9 2 containing the instantaneous values of voltage and current present on the instrument inp...

Страница 98: ...h REF _Ref530397951 r h 17 12 2 Qt Q1 Q2 Q3 Values of the total reactive power of phase 1 phase 2 phase 3 respectively Q12 Q32 only for 3 wires measurement Value of the power measured by the VARmeter...

Страница 99: ...bed by the load The results obtained cannot be memorised If the active power is negative the counters will not increase F1 only for 4 wires measurement to display the following screen On the basis of...

Страница 100: ...nections shown in the picture 4 If you want to measure current and power connect the clamp meter to the phase conductor respecting the specifications shown on the clamp and the connections shown in th...

Страница 101: ...case of doubts select the POWER working mode see paragraph 8 6 3 Connect the phase and neutral voltage wires respecting the connections shown in the picture 4 If you want to measure current and power...

Страница 102: ...ing in real time of the displayed values 8 You can press SAVE to save the displayed values see paragraph 9 2 9 If you want to record a Check and if needed modify the values of the basic parameters see...

Страница 103: ...al equipment to be tested take the power supply off the electrical equipment 1 Check and if needed modify the basic settings of the instrument see paragraphs 8 1 and 8 2 Particularly the 3 wires mode...

Страница 104: ...d wire together 5 Apply voltage to the electrical equipment under test if previously shut off for the instrument connection 6 The values of the available electrical parameters will be displayed of the...

Страница 105: ...he SAVE button to store the displayed result The REMINDER PLACE parameter isn t related to Measurement Order Number and can help the user to remind the place where he performed the measurement 05 06 0...

Страница 106: ...de A0050 optional for GSC57 is de energised the instrument will continue the recording using the internal battery power until the batteries are exhausted the data stored until the definitive turning o...

Страница 107: ...gy measures see paragraph 17 12 10 2 1 Default Configuration The default configuration of instrument consists in the following parameters settings ANALYSER CONFIG System 3PH4W Frequency 50Hz Current R...

Страница 108: ...out 15 minutes before producing a series of recorded values If the recording is interrupted before the selected integration period has completely elapsed the data stored in the temporary memory will n...

Страница 109: ...Surge detection 6 Lower Limit for Dips and Surge detection 10 Selected voltages V1 single V12 V32 V31 3ph3w V1 V2 V3 3ph4w Selected voltage harmonics THD DC 01 02 03 04 05 25 single 3ph3w THD 01 02 03...

Страница 110: ...requency not modified Current Range not modified Clamp Type not modified TV Ratio not modified Password not modified RECORDER CONFIG Start MANU Stop MANU Integration period 5sec Recording of harmonics...

Страница 111: ...h4w Selected current I1 single I1 I2 I3 3ph3w I1 I2 I3 In 3ph4w CO GENERATION ON Power Pf cos selected P1 Q1i Q1c S1 Pf1 DPf1 single Pt P12 P23 Qti Q12i Q23i Qtc Q12c Q23c St S12 S23 Pft DPf 3ph3w Pt...

Страница 112: ...ressure or switch rotation the instrument starts a special procedure to save the batteries ECONOMY MODE the instrument keeps recording but the display is turned off During a recording the following ar...

Страница 113: ...cording If You move the rotary switch during a recording the following screen will appear Recording Recording This page means that a recording is running but the actual rotary switch position doesn t...

Страница 114: ...ch rotation it won t be sufficient to press START STOP if a recording is running or F2 if an energy measuring is running to stop the recording it will be necessary to insert the password In order to i...

Страница 115: ...nstrument display the following screen SAFETY TEST MEMORY MEM TYPE PLACE 001 LOW 003 002 EARTH 003 003 LOW 10A 004 004 M 004 005 RCD 004 TOT 005 FREE 994 LAST ALL Example of SAFETY TEST MEMORY screen...

Страница 116: ...in the format day month start day month stop without Voltage Sag and Surge detection R a recordings effected with respective Start and Stop dates expressed in the format day month start day month sto...

Страница 117: ...ch only used to activate serial connection with IMP57 optional accessory see paragraph 6 4 1 2 Connect the Optical serial output of the instrument to the serial output of the PC through the Original C...

Страница 118: ...batteries according the following the procedure The instrument is capable of keeping the data stored even though batteries are not installed The Instrument Date and Time settings aren t lost if you ch...

Страница 119: ...0 01 2 rdg 2 digit se V R 1 A 10 0 199 9 0 1 200 999 1 1000 1999 1 5 rdg 2 digit se V R 1 A Open circuit Test Voltage 1 3 x Nominal Test Voltage Short Circuit Current 6 0mA with 500V Test Voltage Nomi...

Страница 120: ...Ra 15mA FAULT LOOP IMPEDANCE MEASUREMENT without RCD Tripping Phase Earth Range Resolution Accuracy 1 1999 1 0 5 rdg 3digit Test Current 15mA Voltage Range Phase Earth 100 265V 50Hz Frequency 50Hz 0...

Страница 121: ...84 99mV 1 0 rdg 85 V 1A 85 V Rinput 400k AC frequency 45 65Hz AC CURRENT MEASUREMENT with FlexINT clamps GSC53N and ZG47 3000A range Range A Voltage input Resolution Accuracy 30 0 999 9 2 55mV 84 99m...

Страница 122: ...ENT MEASUREMENT Range Resolution mA Accuracy Input Impedance Overload Protection 0 5 999 9mA 0 1mA 5 rdg 2dgt 200k 5V During a recording the instrument detect only Current 5mA with Resolution 1mA AC f...

Страница 123: ...ox 1000 test AUX recording approx 20 Hours ANALYSER recording approx 20 Hours External Power Supply Adapter Code A0050 only for ANALYSER and AUX function optional for GSC57 Voltage supply 230VAC 50Hz...

Страница 124: ...ply Adapter for Recordings A0050 4 cable twisted 5m with crocodiles for 10A continuity test C7000 05 4 cable twisted 10m with crocodiles for 10A continuity test C7000 10 Set for carrying Belt CN0050 T...

Страница 125: ...Cable C2006 Carrying Case BORSA2051 Calibration Certificate ISO9000 Instruction Manual GSC53N and ZG47 Optional Accessories Description Code Set for carrying Belt CN0050 Temperature and Humidity Prob...

Страница 126: ...be necessary as a consequence of service actions carried out by unauthorised personnel Any modification of the instrument carried out without the authorisation of the manufacturer Use not provided fo...

Страница 127: ...eded by a visual check verifying the existence of yellow green protective and equalising potential conductors as well as compliance of the sections used with the standards requirements INSTALLATION PA...

Страница 128: ...not give any indication on the maximum resistance values which cannot be overcome in order to be able to declare the positive outcome of the continuity test The standard IEE 16th edition simply requir...

Страница 129: ...SULATION MEASUREMENT ON AN INSTALLATION OPEN OPEN OPEN OPEN OPEN Insulation measurements on an installation Switch A Switch B Switch C Switch E near the washing machine with the purpose of separating...

Страница 130: ...lation 1 Turn the switch A l D and E off Effect the measurement on switch A Se R RLIMITE OK end of the test Se R RLIMITE Proceed 2 2 Turn the switch B off Effect the measurement on switch A Se R RLIMI...

Страница 131: ...to keep the GO key pressed in case a test is effected under manual mode until the result gets stable The indication 1999M or o r out of range warns that the insulation resistance measured by the inst...

Страница 132: ...y Extra Low Voltage measure the resistance between the active parts of the circuit under test separate and the active parts of the other circuits measure the resistance between the active parts of the...

Страница 133: ...g the separation among the circuits Test among the active parts Connect a test lead of the instrument to one of the two conductors of the separate circuit and the other to one of the conductors of a n...

Страница 134: ...rthed points insulated from the earth PELV system is a system of category zero or very low safety voltage featured by Power supply autonomous source ex batteries small generator or safety ex safety tr...

Страница 135: ...tance of the earth installation the value can be set with the following measurements Earth resistance with three wire volt ampere method Fault loop impedance see Two wire earth resistance see Two wire...

Страница 136: ...meets depending on the case the following conditions does not exceed the maximum time provided by the standards in case of RCDs of general type according to Table 3 is included between the minimum tri...

Страница 137: ...D tripping time also the earth resistance value Ra is displayed in this value for the TN and IT systems is not to be considered while for the TT systems it is merely indicative 17 6 Test of Rcd Trippi...

Страница 138: ...when there is a bad isolation of the electrical system toward earth The fault loop is composed Transformer coil impedance The impedance of the line from the transformer to the fault The impedance of t...

Страница 139: ...table rods will be chosen As the test result can be affected by metal parts buried such as pipes cables or other rods in case of doubts take a second measurement positioning the rods at an equal dista...

Страница 140: ...ed APPROXIMATE EVALUATION OF THE CONTRIBUTION OF INTENTIONAL RODS The resistance of a rod Rd can be calculated with the following formulas medium resistivity of the ground a resistance of a vertical r...

Страница 141: ...Values calculated every 10ms beyond the above calculated thresholds These limits remain unchanged throughout the recording period When a Voltage anomaly occurs the instrument records The number corres...

Страница 142: ...such as sags surges or fluctuations It can be noted that in 1 the index of the sigma is from 1 to the infinite What happens in reality is that a signal does not have an unlimited number of harmonics a...

Страница 143: ...multiples of the fundamental frequency Harmonic currents affect considerably the neutral wire of electric installations In most countries the mains power is three phase 50 60Hz with a delta primary a...

Страница 144: ...he primary circuit and continue back to the power source This can cause distortion of the voltage wave so that any power factor correction capacitors on the line can be easily overloaded The 5 th and...

Страница 145: ...this it may be useful to consider that both the presence of harmonics and the presence of reactive power produce among other effects an increase of line power losses due to the increased current RMS v...

Страница 146: ...eter user Pfc Capacitive power factor Pfi Inductive power factor Qc Value of the capacitive reactive power Qi Value of the inductive reactive power P Value of the active power Negative parameter gener...

Страница 147: ...total powers remain defined Phase 1 Phase 2 Phase 3 W 1 2 VAR 1 2 W 3 2 VAR 3 2 Three phase equipment In this case the potential of one of the three phases for example phase 2 is taken on as reference...

Страница 148: ...excluded Medium value of the parameter intended as arithmetic average of all the values registered during the integration period Maximum value of the parameter during the integration period harmonics...

Страница 149: ...no phase voltage or current has been selected Select at least one phase voltage and or current PASSWORD ERROR The inserted password is wrong see paragraph 7 Check the password PASSWORD OK The inserte...

Страница 150: ...respectively see paragraph 17 12 2 Qt Q1 Q2 Q3 Values of the total reactive power of phase 1 phase 2 phase 3 respectively Q12 Q32 only for 3 wires measurement Value of the power measured by the VARme...

Страница 151: ......

Страница 152: ...Via della Boaria 40 48018 Faenza RA Italy Tel 39 0546 621002 4 linee r a Fax 39 0546 621144 email ht htitalia it http www ht instruments com...

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Содержание GSC53N

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HT Italia GSC53N, Инструкция по эксплуатации

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Содержание GSC53N

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