Home

Manual - Amazon Web Services

1. 26 6 3 2 xX 301 X2 X9 IN SS eera reee tictduccuadinpna dhe eucieadis saivbedemuutients iouebedecauesieacmieaieeutiecicuuncces 27 6 3 3 Mode x1 Test on RCDs with delay time cccccccccssceecceecseseeeeeeeeeeeeeeeeseeaseeesseeeseeeesseaeeees 27 SCC MEER D n MRRRCRPRRuL 28 6 9 5 Test on earth leakage relay RCD s seesssseseseseeseeeeeeee nennen nenne nnns nnn nnns 29 6 3 6 Anomalous situations seston se esse ceased ese ee ee ese se odes esas pena ate ieE ree iR Els 30 6 4 LOOP Line impedance Loop and overall earth resistance cccecccseeeceeeeseeesaeeeeeees 33 6 4 1 WES TAU 0CS wiisctcsasarateuntascte Tm 35 6 4 2 STD Mode Generic test ece a E r AES 37 6 4 3 Mode kA Verify of breaking capacity of protection device eseeeeseeeeeeeee 39 6 4 4 Mode l t Verify of protection against short circuit esses 41 6 4 5 Mode nn Verify Of protection coordination cccceecccceececeeeeeceeeeseeeeseeeesseeeesseeeeseeeeees 44 6 4 6 Mode ann Verify of protection coordination Norvay COUNMTY ccccecssseeeeeseeeeeeneeeees 46 6 4 7 Verify of protection against indirect contacts TN system ccccccecseeeeceeeeseeeeseeeeeseeeeeeees 48 6 4 8 Verify of protection against indirect contacts IT systems eeeeeeeeeseeeeeeesee
2. 5 0 rdg 5rdg 0 1 100 0 10 17 10 0 rdg 5rdg 18 25 15 0 rdg 10rdg 10 2 REFERENCE GUIDELINES Safety IEC EN61010 1 IEC EN61557 1 2 3 4 5 6 7 10 Technical documentation IEC EN61187 Safety of measuring accessories IEC EN61010 031 IEC EN61010 2 032 Page 96 EN HT MACROTOUCH amp COMBITOUCH Insulation double insulation Pollution level 2 Max operating altitude 2000m 6562it Protection index IP40 Measurement category CAT Ill 240V to earth maximum 415V between inputs LOWQ 200mA IEC EN61557 4 MQ IEC EN61557 2 RCD IEC EN61557 6 only on Phase Neutral Earth systems LOOP P P P N P PE IEC EN61557 3 EARTH IEC EN61557 5 123 IEC EN61557 7 Multifunction IEC EN61557 10 Short circuit current EN60909 0 Earth resistance TN system EN61936 1 EN50522 not for USA Germany Extra Europe countries 10 3 GENERAL CHARACTERISTICS Mechanical characteristics Size L x W x H 225 x 165 x 75mm 9 x 6 x 3in Weight batteries included 1 2kg 42 ounces Power supply Battery type 6x1 5V alkaline batteries type AA IEC LRO6 MN1500 6 x1 2V rechargeable batteries NiMH type AA Low battery indication low battery symbol LF onthe display Battery life gt 500 tests for each function Auto Power OFF after 5 minutes idling if activated Miscellaneous Display TFT color capacitive touch screen 320x240mm Memory 999 memory locations 3 levels of markers
3. The following operating connections are available to perforn the RCD test CAUTION Testing the RCD tripping time causes its tripping Therefore check that there are NO users or loads connected downstream of the differential switch being tested which could be damaged by a system downtime Disconnect all loads connected downstream of the differential switch as they could produce leakage currents further to those produced by the instrument thus invalidating the results of the test Black Negro Nero Noir mE ASchwarz int AN CAT ii 2400 INPUT MAX 415V INPUT M Va JN er 5 _ B4 B3 B2 B N Blue i mu Green JA wuuwuwauusikn a mm Blu Verde Blau Grun K Azul Verde Bleu Vert Fig 10 Connection for single phase 230V system by means of shuko plug Black og Nero Fig 11 Connection for single phase 230V system with single cables and remote lead Page 22 MACROTOUCH amp COMBITOUCH I ia NB A Bw fy ot GNR RCD i CAT M 220V INPUT MAX 15V INPUT AN St i En T a s ilLil2 j Blue Green 3 Blu Verde tt N Blau Gr n BI Azul Verde oawsdliwaxiexvsuaxvi a Eve PE Bleu Vert Re RT Fig 12 Connection for a 400V N PE three phase system by means of single cables and remote lead LTN I e Nom RCD dA cari 240V INPUT MAX 415V INPUT NIC O A L 1 CE T S o LI l2 m iz EISE E Blu Verde Blau Gr n T a a N Azul Verde Bleu Vert
4. Page 48 Naz MACROTOUCH amp COMBITOUCH 6 If possible disconnect all loads connected downstream of the measured point as the impedance of these users could distort the test results Connect the alligator clips or the remote lead to the electrical mains according to Fig 16 Fig 17 Fig 18 and Fig 20 in the farthest possible point respect the protection on test Note the presence of the correct voltage values between L N and L PE corresponding to the selections carried out in the initial phase see 5 1 4 as shown in the screen to the side 7 Press the GO STOP key or the START key on the LOOP m s 22 07 2013 14 32 remote lead During this whole stage do not disconnect the measuring leads of the instrument from the system under test In case of positive result calculated minimum short circuit current HIGHER than tripping current of the protection device within the specified time see S 12 6 the screen to the side is displayed by the instrument Press the SAVE button or touch the icon to save the measurement see 7 1 8 In case of negative result calculated minimum short LOOP ss 22 07 2013 14 32 circuit current LOWER than tripping current of the protection device within the specified time see S 12 6 the screen to the side is displayed by the instrument Press the SAVE button or touch the Di icon to save the measurement see 7 1 6 4 8 Verify of protection against
5. 3 Insert in the auxiliary In1 input the transducer necessary for the desired measurement as shown in Fig 31 Page 76 4 The measured value appears on the display in real time as shown in the screen to the side MACROTOUCH amp COMBITOUCH Press the SAVE button or touch the Bi icon to save the measurement see 7 1 Page 77 IN HT MACROTOUCH amp COMBITOUCH 6 9 AV VOLTAGE DROP OF MAIN LINES This feature allows to evaluating the percentage value of voltage drop between two points of a main line in which a protection device is installed and comparing this value to possible limit value specified by guidelines The following modes are available L N Measurement of Phase to Neutral line impedance The test can be performed also with high resolution 0 1MQ with optional accessory IMP57 L L Measurement of Phase to Phase line impedance The test can be performed also with high resolution 0 1m 2 with optional accessory IMP57 CAUTION The measurement of line impedance or fault loop impedance involves the circulation of a maximum current according to the technical specifications of the instrument see S 10 1 This could cause the tripping of possible magnetothermal protections at lower tripping currents L1 L2 L3 N Blue Blu Blau Blue Blu Blau PE Azul Bleu Azul Bleu I Z1 Offset Z2 ET in eT m n A CAT M 240V INPUT MAK 415V INPUT MAX SV A CAT IN 240V INPUT MAX 4
6. 4 Movethe left slide bar reference and select the type of RCD between the following options STD molded case RCD and Cea earth leakage delay RCD with use of optional accessory RCDX10 In case of earth leakage relay RCD the following screen appears on the display Page 24 Naz MACROTOUCH amp COMBITOUCH 3 RCD rro 22 07 2013 14 32 i Touch the icon to zero the value in A field and use the virtual keyboard to set the value of rated current of earth leakage relay RCD The maximum rated current is 10 0A Confirm the choice by going back to the previous screen Move the second slide bar reference by selecting the waveform of the differential switch between the options v type AC MM type A type B For RCD of molded case type STD move the third slide bar reference by selecting the desired rated current of the differential switch between the options 10 30 100 300 500 650 1000mA Confirm the choice by going back to the initial measurement screen Note the presence of the chosen selections 6 Touch the third icon at the bottom of display and 4 RCD rra 22 07 2013 14 32 E select the desired type of test among the following E E options x gt Manual with multiplier 1 2 Idn x 1 gt Manual with multiplier 1ldn x 2 gt Manual with multiplier 2ldn x 5 2 Manual with multiplier 5ldn AUTO Automatic mode 6 tests in sequence aii Ramp measurement of the real tripping current
7. Move the right slide bar reference by selecting the polarity of the test current between the options 0 direct polarity 180 inverted polarity 0 180 for Automatic mode only Confirm the choice by going back to the initial measurement screen Note the presence of the chosen selections 7 Touch the fourth icon at the bottom of the display 4 RCD rrsw 22 07 2013 14 32 E and select the possible visualization of the contact 1 voltage value at the end of measurement The of following options are possible VVVVVV gt gt The value of contact voltage is shown on the display at the end of measurement gt bat gt The value of contact voltage is not shown LS Low Mei 6 Ri mes on the display at the end of measurement The symbol is shown by the instrument in this condition 8 Insert the green blue and black connectors of the three pin shuko plug into the relevant instrument input terminals B3 B4 B1 As an alternative use the single cables and apply the relevant alligator clips to the free ends of the cables It is also possible to use the remote lead by inserting its multipolar connector into the input lead B1 Connect the shuko plug the alligator clips or the remote lead to the electrical mains according to Fig 10 Fig 11 Fig 12 Fig 13 and Fig 14 Page 25 Naz MACROTOUCH amp COMBITOUCH 6 3 1 AUTO mode 9 Press the GO STOP key on the instrument or the START key on the remote lead The
8. Touch the the display icon The screen to the side appears on Touch the lower icon on the left The following screen appears on the display IMP57 tn sov 22 07 2013 14 32 EX Move the left slide bar reference by selecting the aS icon to execute the measurement with the accessory IMP57 Move the central slide bar reference by selecting the L L option Move the right slide bar reference by selecting the STD option Confirm the choice by going back to the following initial measurement screen 3 The Be symbol on the display indicates that the AEMPS v 220720131432 Lu accessory IMP5 is not connected to the instrument or not powered directly by the mains B i Connect the IMP57 to the instrument via the cable C2001 and to the powered system via the input terminals C1 C2 and P1 P2 placed on it see the IMP57 user manual The following screen appears on the display 1 4 UM mm T qon uid n Page 53 AW HT MACROTOUCH amp COMBITOUCH 4 The B4 symbol indicates the correct connection and recognition of the IMP57 by the instrument Check the e green STATUS LED lighting on the IMP57 ci Jedi 304 ae The value of the voltage between the measurement points is shown in the upper part of the display Press the GO STOP key on the instrument to start the test The following screen is shown on the display in case of L L measurement in STD mode 5 The standard STD short cir
9. Loosen the battery compartment cover fastening screw and remove the cover Hemove all the batteries from the battery compartment and replace them with new batteries of the right type only S 10 3 making sure to respect the indicated polarities To recharge the batteries use the external battery chargers supplied with the instrument 5 Restore the battery compartment cover into place and fasten it by mean of the relevant screw 6 Do not scatter old batteries into the environment Use the relevant containers for disposal D Ic 9 3 CLEANING THE INSTRUMENT Use a soft and dry cloth to clean the instrument Never use wet cloths solvents water etc 9 4 END OF LIFE CAUTION the symbol on the instrument indicates that the appliance and its accessories must be collected separately and correctly disposed of 10 TECHNICAL SPECIFICATIONS Accuracy is calculated as Vereading no of digits resolution at 23 C 8096RH Refer to the Table 1 for the correspondence between models and availbale features Page 91 EN HT MACROTOUCH amp COMBITOUCH 10 1 TECHNICAL CHARACTERISTICS AC TRMS voltage Range V Resolution V 15 460 3 rdg 2digits Frequency Range Hz Resolution Hz 47 0 63 6 0 1 readina 1diait Continuity of protective conductor LOWQ Range Q Resolution Q Accuracy 0 01 9 99 H F 7 0 after calibration of measuring cables Test current gt 200mA DC up to 2Q cables i
10. 1 0 rdg 1dgt Crest factor 1 5 Frequency 42 5 69 0 Hz Frequency Range Hz Resolution Hz 42 5 69 0 2 0 rdg 2dgt Allowed voltage 15 0 459 9V Allowed current 5 FS clamp FS clamp AC Current FSclamp Range A Resolution A 5 FS 9 99 0 10A lt FS lt 200 5 FS 199 9 in pene ier 200A lt FS lt 3000 5 FS 2999 in pedi dido Range 5 999 9 mV values under 5mV are zeroed Crest factor lt 3 Frequency 42 5 69 0 Hz Active power 230V in 1Ph systems 400V in 3Ph systems cosqo 1 f250 0Hz FSclamp fRange kW Resolution kW Accuracy 2 0 rdg 5 rdg 2 5 rdg 8 rdg Reactive power 230V in 1Ph systems 400V in 3Ph systems cosqo 0 f250 0Hz FSclamp Range kVAr Resolution kVAr Accuracy 2 0 rdg 7 rdg 3 0 rdg 8 rdg Power factor 230V in 1Ph systems 400V in 3Ph systems f 50 0Hz Nu Nu 4 0 rdg 10rdg if lt 10 FS pers ee oa 2 0 rdg 3rdg if gt 10 FS coso 230V in 1Ph systems 400V in 3Ph systems f250 0Hz 0 70c 1 00 0 70 0 01 4 0 rdg 10rdg if lt 10 FS 1 0 rdg 7rdg if gt 10 FS Voltage harmonics 230V in 1Ph systems 400V in 3Ph systems f 50 0Hz Range Resolution Ordine Accuracy 0 1 100 0 01 25 5 0 rdg 5rdg Fundamental frequency 42 5 69 0 Hz DC accuracy not declared Current harmonics f 50Hz Range Resolution Order Accuracy
11. Allowable values The instrument performs the comparison between the calculated value of short circuit current and the la tripping current of the protection device within the specified time accordinf to to following expressions Lun eb a Three phase system gt Loop L L impedance lern Win Ps Single phase system Loop L N impedance Pos reum a Single phase system gt Loop L PE impedance where Isc L L Min2F Prospective short circuit current minimum double phase L L Isc L N Min Prospective short circuit current minimum L N Isc L PE_Min Prospective short circuit current minimum L PE The calculation of prospective short circuit current is performed by the instrument based on the fault loop impedance measurement in compliance with the following relationships derived from standard EN60909 0 NOM NOM NOM I G qeu 7 c Yew o oc Urm SCL L_Min2 MIN SCL N Min MIN Z SCL PE Mi MIN Z ie L N L PE Phase Phase Phase Neutral Phase PE Measured voltage Uo 230V 10 Vmeasured 230V 10 230V 230V 10 Vmeasured 400V 10 400V 10 lt Vmeasured 400V 10 400V where U L L Nominal Phase Phase voltage UL N Nominal Phase Neutral voltage UL PE Nominal Phase PE voltage Z L L Impedance Phase Phase measured ZL N Impedance Phase Neutral measured ZL PE Impedance Phase PE measured Page 109 EN HT MACROTOUCH amp COMBITOUCH CAUTION The instrument must be used to measure fault loop impedance values
12. PE conductor it provides the warning screen shown to the side and blocks the execution of the tests Page 55 6 AW HT MACROTOUCH amp COMBITOUCH If the instrument detects that the phase and neutral leads Q LOOP ncs 22 07 2013 14 32 are inverted it does not carry out the test and a screen similar to the one reported to the side is displayed Rotate the shuko plug or check the connection of measuring cables Warning Reverse L N If the instrument detects that the phase and PE leads are LOOP s 22 07 2013 14 32 EN inverted it does not carry out the test and a screen similar to the one reported to the side is displayed Check the connection of measuring cables If the instrument detects a danger voltage on PE L00P 22 07 2013 14 32 conductor it does not carry out the test and displays a screen like the one to the side This message can also Warrilriee Mollis PE appair in case of an insufficient pressure of the GO STOP key If the instrument detects a voltage VN PE gt 50V or gt 25V M LOOP w sov 22 07 2013 14 32 E depending on the selection it does not carry out the test and displays a screen like the one to the side Page 56 AW HT MACROTOUCH amp COMBITOUCH 65 SEQ PHASE SEQUENCE AND PHASE CONCORDANCE TEST This function is performed in compliance with standards IEC EN61557 7 and allows testing the phase sequence and concordance by direct contact with live parts not on cables with in
13. SP lscL Lmin 2F Tmax gt Tmax lt Tlim IscL L min 2F Tmax Tmax lt Tim eb Lmin 2F Mannini aidaa gt Tmax lt d o MM j Oo OKA Isc L N max lt BC Isc L N max lt BC Isc L N max lt BC L N EJ Isc L N t lt K S Isc L N t lt K S Isc L N t lt K S Isc L N min gt Tmax gt Tmax lt Tlim Isc L N min gt Tmax gt Tmax Tlim Isc L N min gt Tmax gt Tmax lt Tlim Wb 7 m Wem HI m R Lee E E Tim gt la gt Ise LPE MN l Umeas lt Utm Table 3 Conditions of positive outcome reote Pm on the test parameters Where Page 36 IN HT MACROTOUCH amp COMBITOUCH 6 4 2 STD Mode Generic test This mode performs the impedance measurement and the calculation of prospective short circuit current without applying any evaluation Therefore at the end of the test no outcome is given by the instrument 1 Move the left slide bar reference by selecting the E icon tol 60Hz and the reference voltage in the general settings of the instrument see 5 1 4 Q display Touch the lower icon The following screen appears on the display execute the measurement only with the instrument or the PA icon to execute the measurement with the instrument optional accessory IMP57 see 6 4 10 Move the central slide bar reference by selecting the L L L N or L PE options Move the right slide bar reference by selecting the STD o
14. amp COMBITOUCH 12 10 VERIFY OF THE PROTECTION AGAINST SHORT CIRCUITS TEST 12T The Pt parameter represents the specific energy expressed in A s let through by the protective device in short circuit condition The l t energy must be able to be supported both by the cables and by the distribution bars For cables the following relation applies 2 K S gt It 1 where S section of the protective conductor in mm K constant dependent on the material of the protective conductor on the type of insulation and the temperature that can be obtained from the tables present in the standards the instrument refers to a fixed environment temperature of 25 C single cable not buried no harmonics otarting from the evaluation of the three phase or single phase Isc short circuit current the instrument calculates the maximum value of Pt parameter on the basis of the characteristic curves of the selected protection MCB or fuse and runs the comparison with the previous relation 1 If the test gives a positive result the selected section of the protective conductor is adequate for the management of the protective device chosen In case of negative result it is not necessary to select a higher value than the section or change the protection The following selections are available on the instrument Magnetothermal protection MCB with curves B C K D Protection with fuse of type aM and gG MCB Rated current selectable among 0
15. carefully observe the following instructions Do not carry out any voltage or current measurement in humid environments Do not carry out any measurements in case gas explosive materials or flammables are present or in dusty environments Avoid any contact with the circuit being measured if no measurements are being carried Out Avoid contact with exposed metal parts with unused measuring probes etc Do not carry out any measurement in case you find anomalies in the instrument such as deformations breaks substance leaks absence of display on the screen etc Pay special attention when measuring voltages higher than 25V in special environments such as construction sites swimming pools etc and higher than 50V in normal environments since a risk of electrical shock exists Only use original HT accessories The following symbols are used in this manual A E c 0 gt P i CAUTION observe the instructions given in this manual improper use could damage the instrument its components or create dangerous situations for the operator High voltage danger electrical shock hazard Double insulation AC voltage or current DC voltage or current Connection to earth The symbol indicates that the instrument must not be connected to systems with 1 1 phase to phase rated delta voltage higher than 415V PRELIMINARY INSTRUCTIONS This instrument has been designed for use in the environmental conditions s
16. separated circuit and the other to one of the conductors of a non separated circuit TEST BETWEEN ACTIVE PARTS AND EARTH Connect an instrument probe to one of the two conductors of the separated circuit and the other to the equalizing potential node This test must be performed for SELV circuits or circuits with electrical separation only Equalizing potential node Fig 37 Separation measurements between the circuits of a system Page 102 EN HT MACROTOUCH amp COMBITOUCH 12 4 TEST ON DIFFERENTIAL SWITCHES RCD Purpose of the test Checking that the General G and Selective S and Delayed differential protection devices have been correctly installed and adjusted and that they maintain their characteristics over time The check must make sure that the differential switch trips at a current not higher than its nominal operating current IdN and that the tripping time meets the following conditions according to the case e he tripping time does not exceed the maximum time as prescribed by the standard for differential switches of a General type according to what described in Table 5 e The tripping time is between the minimum and the maximum tripping time for differential switches of a Selective type according to what described in Table 5 e tdoes not exceed the maximum delay time normally set by the user in case of Delayed differential switches The differential switch test performed with the test key help
17. 1 Anomalous situations su diexcoscdcedenzetomsedeusendeadusenisdasetewancdatenisiandaiteseenss endewadersineetutuwieedphenecciabodsendeds 82 6 10 PQA Real time measurement of main parameters ssesesseseeeneennenen 84 7 OPERATIONS WITH THE MEMORY eeseeeeeeenm nmm 8 Z1 DAVNO MIC OSU STING NS maaien a E EAE 87 7 2 Recalling measurements and deleting the memory ccccseecceeeeseeeeeeeeceeeeseeesaeeeneees 87 orale Anomalous situations vccotesccenctesecercasaaneadsdacennetsdansdihtndaxetttadnesisiidad esee EL arcu Ea deca SUR redu s Bo Dan ERU k EUN 89 8 CONNECTING THE INSTRUMENT TO A PC OR MOBILE DEVICES 90 8 1 Connection to iOS Android devices through WiFi cccceeceeeeeeeeeeeeeeeeeeeeeeeeeseeeeeeaees 90 I MAINTENANCE e e EEA E EE 90 9 1 General information ccccceccceececeeeceeeeceneeceeeseeeceeeceueeseueeseeteneesseeeseeteneeseeetsneenaees 91 9 2 Replacement of the batteries sese nnns 91 9 Gleaning medbstlttiblil ecce tees de ce tees ei nude nucum Idee eto mue nio nip EEEE aeui it eer 91 Sm EAO I MER 91 10 TECHNICAL SPECIFICA HONS sscizestidstideaztxaendi a saau x bred ua adu i rica crat ea cratis 91 10 1 Technical characteristics cccccccccccccceccecceeeeeeceeeeeeseeeeeeceeeseeseeeseesaeeseesseeseeeeeseeeaeesaes 92 10 2 Reference guidelines
18. 1 The protection from short circuits that s to say he breaking capacity of the protection device must be not lower than the supposed short circuit current in the point in which the device is installed gt Incase of short circuit in any point of the protected line the protection device must trip on quickly enough to avoid that the insulation materials assume excessive temperatures 2 he protection from indirect contacts In order to verify the a m conditions the instrument performs the following functions of Check of protection from indirect contact According to the type of distribution system TT TN IT set by the user the instrument performs the measurement and verifies the condition imposed by the guidelines Should it be reached the instrument gives a positive outcome see 12 6 12 7 12 8 kA Check of protection s breaking capacity The instrument detects the value of the line impedance upstream to the measurement point calculates the maximum value of short circuit current and gives a positive outcome if the value is lower than the limit set by the user see 12 5 It Check of protection from short circuits The instrument detects the value of the line impedance upstream to the measurement point calculates the value of short circuit current and the corresponding value of the trip out time t of the protection device and gives a positive outcome if the value of specific energy passing through the prot
19. 22 07 2013 14 32 Rs 90 Q ra 87 Q Naz MACROTOUCH amp COMBITOUCH 16 For earth resistance measurement in TN systems in case of positive result see S 12 11 the screen to the side is displayed by the instrument It contains the value of contact voltage in the secondary display the value of contact resistance of the voltage probe Rs and the value of contact resistance of the current probe Rh at EARTH rN sov 22 07 2013 14 32 EX Press the SAVE button or touch the Bt icon to save the measurement see 7 1 17 For earth resistance measurement in TN systems in case of negative result see 12 11 the screen to the side is displayed by the instrument It contains the value of contact voltage in the secondary display the value of contact resistance of the voltage probe Rs and the value of contact resistance of the current probe Rh w EARTH tw sov 22 07 2013 14 32 P Note the presence of the measurement result highlighted in red Press the SAVE button or touch the Bi icon to save the measurement see 7 1 18 If the resistance value of Rs or Rh probes is gt 100 EARTH rw 22 07 2013 14 32 Rmeasured the instrument performs the measurement considering an accuracy of 10 of reading and marks Ra 9 07 Q the value in red in corrispondance of Rs and or Rh the mo screen to the side is displayed Bt ov I 10m ENELEUmS eJ T 19 For ground resistivity measurement
20. 5A 1A 1 6A 2A 4A 6A 104A 13A 15A 16A 20A 25A 32A 40A 50A 63A Fuse rated current selectable among 2A 4A 6A 8A 10A 12A 13A 16A 20A 25A 32A 40A 50A 63A 80A 100A 125A 160A 200A 250A 315A 400A 500A 630A 800A 1000A 1250A Conductor material selectable between Cu Copper and Al Aluminum Conductor insulation selectable among PVC Rub Butil Rubber Butyl rubber and EPR XLPE Ethylene propylene rubber Cross linked polyethylene gt Conductor section free selectable and possible number of parallel cords max 99 CAUTION The verifies made by the instrument does not replace in any case the design calculations VV Page 111 EN HT MACROTOUCH amp COMBITOUCH 12 11 VERIFICATION OF VOLTAGE DROP ON MAIN LINES Measurement voltage drop as a result of current flow through a main line or a part of it can be very important if it is necessary gt Verify the capability of an existing main line to supply a load Dimension a new installation Search for possible causes of troubles on devices loads etc connected to a main line Purpose of the test Measure the maximum percentage value of voltage drop between two points of a main line Parts of the system to be checked The test includes two sequential impedance measurements in the initial point of main power line typically downstream to a protection device and in the final point of the same line Allowable values The instrum
21. APPENDIXES Page 98 EN HT MACROTOUCH amp COMBITOUCH 12 1 CONTINUITY OF PROTECTIVE CONDUCTORS Purpose of the test Check the continuity of e Protective conductors PE main equalizing potential conductors EQP secondary equalizing potential conductors EQS in TT and TN S systems e Neutral conductors having functions of protective conductors PEN in TN C system This test is to be preceded by a visual check verifying the existence of yellow green protective and equalizing potential conductors as well as compliance of the sections used with the standards requirements Parts of the svstem to be checked Connect one of the test leads to the protective conductor of the socket and the other to the equalizing potential node of the earth installation Connect one of the test leads to the external mass in this case the water pipe and the other to the earth installation using for example the protective conductor of the closest Socket Fig 36 Examples for continuity measurements on conductors Check the continuity among e Earth poles of all the plug sockets and earth collector or node e Earth terminals of class appliances boilers etc and earth collector or node e Main external masses water tubes gas pipes etc and earth collector or node e Additional external masses between each other and to earth terminal Allowable values The standards do not require the measurement of continuity resi
22. Connection to PC optical USB port Remote connection WiFi connection 10 4 ENVIRONMENT 10 4 1 Environmental conditions for use Reference temperature 23 b C 73 F 41 F Operating temperature 0 40 C 82 F 104 F Allowable relative humidity lt 80 RH Storage temperature 10 60 C 14 F 140 F Storage humidity lt 80 RH 10 5 ACCESSORIES see the attached packing list 11 SERVICE Page 97 EN HT MACROTOUCH amp COMBITOUCH 11 1 WARRANTY CONDITIONS This instrument is warranted against any material or manufacturing defect in compliance with the general sales conditions During the warranty period defective parts may be replaced However the manufacturer reserves the right to repair or replace the product Should the instrument be returned to the After sales Service or to a Dealer transport will be at the Customers charge However shipment will be agreed in advance A report will always be enclosed to a shipment stating the reasons for the products return Only use original packaging for shipment Any damage due to the use of non original packaging material will be charged to the Customer The manufacturer declines any responsibility for injury to people or damage to property The warranty shall not apply in the following cases e Repair and or replacement of accessories and battery not covered by warranty e Repairs that may become necessary as a consequence of an incorrect use of the in
23. DC Test on molded case RCD Standard STD and on earth leakage relay RCD 2 General G Selective S and Delayed of type A and AC and B of the following parameters tripping time tripping current contact voltage Measurement of line impedance Loop P N P P P E with calculation of the assumed short circuit current also with high resolution 0 1MQ by means of optional accessory IMP57 overall earth resistance without causing the RCD tripping check of the interruption capacity of magnetothermal protections MCB and fuses I2t test protection check in case of indirect contacts Measurement of earth impedance and ground resistivity by voltammetric method and by an external clamp connected to the instrument optional accessory T2100 Indication of phase sequence with 2 or 1 terminal method Measurement of environmental parameters illuminance air temperature humidity by means of optional external probes and DC voltage signals Measurement of leakage current by means of the optional accessory HT96U Measurement of percentage voltage drop on main lines Heal time measurement of main parameters powers harmonics power factor coso in Single phase and Three phase balanced systems 3 PREPARATION FOR USE 3 1 INITIAL CHECKS Before shipping the instrument has been checked from an electric as well as mechanical point of view All possible precautions have been taken so that the instrument is delivered undamaged
24. IT systems in case of negative result see S 12 8 the screen to the side is displayed by the instrument It contains the value of contact voltage in the secondary display the value of 00 ee contact resistance of the voltage probe Rs and the gi Gu spi i value of contact resistance of the current probe Hh 900 Raf 87 87 Q did Note the presence of the measurement result highlighted Rat 30mA in red iit EARTH 50v 22 07 2013 14 32 Press the SAVE button or touch the e icon to save the measurement see 7 1 Page 70 Naz MACROTOUCH amp COMBITOUCH 9 For earth resistance measurement in TN systems in case of positive result measured value LOWER than set limit value the screen to the side is displayed by the Instrument It contains also the value of contact resistance of the voltage probe Rs and the value of contact resistance of the current probe Rh Press the SAVE button or touch the Bt icon to save the measurement see 7 1 10 For earth resistance measurement in TN systems in case of negative result measured value HIGHER than set limit value the screen to the side is displayed by the E instrument It contains also the value of contact gii resistance of the voltage probe Rs and the value of contact resistance of the current probe Rh rs 90 Q r4 87 Q Note the presence of the measurement result highlighted Ras e in red Press the SA
25. MAX 415V INPUT MAX 5v BA T B3 B27 Bi Nero Black Blu Blue Azul Blau Bleu Negro Schwarz Noir Verde Green Gr n Vert Rosso Red Rojo Rot Rouge A RE Fig 26 Three wire earth resistance measurement Page 63 AW HT MACROTOUCH amp COMBITOUCH T Ad inf ZX CATI 240V INPUT MAX 415V INPUT MAX SV 7 I B4 Blu Blue Azul Blau Bleu B3 Bi Nero Black Negro Schwarz Noir Rosso Red Rojo Rot Rouge 4 iy f Fig 27 Two wire earth resistance measurement using an auxiliary rod o0 DAS Int a J AX cari 240v INPUT MAX 415V INPUT MAX 5Va B4 B3 B2 BY aw Rosso Red Nero Black Negro P Rojo Rot Schwarz Noir LONI Blu Blue Azul Blau Bleu Verde Green Grtin Vert WY PE 4 JRA Fig 28 Two wire earth resistance measurement from the panel board A In o i AXcar in 240V INPUT MAX 415V INPUT MAX SY 7 Blu Blue Azul Blau Bleu Nero Black Negro Schwarz Noir Verde Green Gr n Vert Fig 29 Ground resistivity measurement Page 64 Naz MACROTOUCH amp COMBITOUCH 1 Select the options TN TT or IT 25 or 50V 50Hz or 60Hz and the reference voltage in the general settings 3 of the instrument see 5 1 4 Touch the bes icon The screen to the side TT and IT systems is shown on the display The instrument automatically
26. Move the first slide bar C ES won Loss reference thus selecting options gt Impedance measurement performed with the instrument only With this option the icon 0 is shown on the display gt LT gt Possibility for the operator to manually set the Offset Z1 impedance without carrying out the first measurement With this option the icon 0o amp is shown on the display and the following screen appears on the display Touch the icon to zero the value in the Q field and use the virtual keyboard to set the value of the Offset Z1 impedance within the range 0 0000 to 99990 Confirm the selection and go back to the previous screen Touch the second lower icon and set the value of the rated current of the protection device on the main line being tested The following screen appears on the display 4 Touch the icon amp to zero the value in A field and use the virtual keyboard to set the value of rated current of protection device in the range 1A to 9999A Confirm selection and go back to the previous screen Touch the third lower icon and set the maximum allowed limit value of voltage drop AV96 for the main line being tested The following screen appears on the display Page 79 AN HT MACROTOUCH amp COMBITOUCH 2 Touch the icon t3 to zero the value in the 9o field and use the virtual keyboard to set the value of AV in the range 1 to 99 Confirm the selection and go back to the prev
27. Ry Fig 13 Connection for a 400V N no PE three phase system by means of single cables and remote lead no for RCD type B o0 aw ox m RCD AXcat m240v q INPUT MAX AIV INPUT NGA e ALI n tt V PE Fig 14 Connection for a 400V PE no N system with single cables and remote lead LTN N l N N i Nom ji Acsi 240V INPUT Max 415V INPUTS D l N ee O99 LLLI iy Verde Llls m mm LIIN Bleu Vert RT RCDX10 ii Fig 15 Connection to earth leakage relay RCDs with optional accessory RCDX10 Page 23 AW HT MACROTOUCH amp COMBITOUCH Touch the E3 icon The screen to the side appears on the display Touch the icon to the left to set the RCD operating mode The following screen appears on the display 2 Move the slide bar reference by selecting the desired operating mode between the options G General S Selective Delayed Confirm the choice by going back to the initial measurement screen Note the presence of the chosen selection When selecting a Delayed RCD the instrument displays the following screen Touch the icon to zero the value in the Timer field and use the virtual keyboard to set the value of RCD delay time in seconds between 1ms and 500ms Confirm the choice by going back to the initial measurement screen Touch the second icon to set the type of RCD the waveform and the tripping current The following screen appears on the display
28. STOP key on the instrument or the RCD rv 22 07 2013 14 32 E START key on the remote lead The instrument will start the measurement The screen to the side is shown on the display when the hourglass icon indicates the performance of the test 10 At the end of the test if the tripping current is within the values of the table in the relevant the instrument displays the symbol to indicate the positive outcome of the test and displays a screen like the one to the side Press the SAVE button or touch the the measurement see 7 1 icon to save 1 At the end of the test if the tripping current is not within the values of the table in the relevant S the instrument m displays the symbol to indicate the negative E outcome of the test and displays a screen like the one to 122 m the side Fos Ser Press the SAVE button or touch the Bi icon to save G soon the measurement see 7 1 Page 28 Naz MACROTOUCH amp COMBITOUCH 6 3 5 Test on earth leakage relay RCD The instrument allows performing tests on earth leakage relay RCD with currents up to 10A with optional accessory RCDX10 8 Connect the instrument and the optional accessory RCDX10 to the installation see Fig 15 Pay attention to the connection of cables 1 and 2 of the RCDX10 accessory and to the direction of the current indicated by the arrow printed on the accessory It is also possible to use the rem
29. and the auxiliary earth rod it is necessary to perform several measurements by initially placing the voltage probe at the midpoint between the system and the auxiliary current rod then moving the probe both to the system under consideration and to the auxiliary current rod These measurements should provide compatible results any significant differences between the various measured values indicate that the voltage probe has been stuck within the zone of influence of the system under test or the auxiliary current rod Such measurements cannot be considered as reliable It is necessary to further extend the distance between the auxiliary current rod and the rod under test then repeat the whole procedure as above described 1 t A MA 4 MU TA ft u l fo A Z ge TENES 58 OPES A UE 2 P d p d m co P O s Q E Ae 8 x c d S9 ye T Qa O amp X Q XS v Q d O Q Xn 4A cst gu eur max aisy INAT max Sva ba B3 Bo Bi Gr Gr n Vert Ne D lac Y ii Negro Schwarz Noir Fig 40 Ground measurement for big sized earth networks Use multiple probes in parallel and wet the surrounding ground see Fig 40 if the instrument is not able to supply the current required to perform the test due to a high resistance of the ground Page 115 AW HT MACROTOUCH amp COMBITOUCH 12 12 2 Ground resistivity measurement This test aims at analyzing the resistivity
30. as a sum of sinusoidal waves having each a frequency that corresponds to an entire multiple of the fundamental according to the relation v t V gt V sin t 9 1 k 1 where Vo average value of v t Vi amplitude of the fundamental of v t Vk amplitude of the k harmonic of v t LEGEND 1 Fundamental 2 Third harmonic 3 Distorted waveform Fig 43 Effect of the sum of two multiple frequencies In the mains voltage the fundamental has a frequency of 50 Hz the second harmonic has a frequency of 100 Hz the third harmonic has a frequency of 150 Hz and so on Harmonic distortion is a constant problem and should not be confused with short events 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 number always exists after which the harmonics value is negligible The EN 50160 standard recommends to stop the index in the expression 1 in correspondence of the 40 harmonic A fundamental element to detect the presence of harmonics is T HD defined as 40 2 V h 2 l This index takes all the harmonics into account The higher it is the more distorted the waveform gets THDy 12 13 1 Limit values for harmonics EN 50160 guideline fixes the limits for the harmonic voltages which can be introduced into the network by the power supplier In normal conditions
31. at least 10 times higher than the resolution value of the instrument in order to minimize errors Depending on the set values of nominal voltage see 5 1 4 and the measured value of fault loop impedance the instrument calculates the minimum value of the assumed short circuit current to be interrupted by the protection device For proper coordination this value MUST always be greater than or equal to the la value of the tripping current of the type of protection considered The la reference value depends on Protection type curve Hated current of the protection device gt Time of fault extinction by the protection The instrument allows the selection of the following parameters MCB current B curve selectable among values 6 10 13 15 16 20 25 32 40 50 63A MCB current C K curves selectable among values 0 5 1 1 6 2 4 6 10 13 15 16 20 25 32 40 50 63A MCB current D curve selectable among values 0 5 1 1 6 2 4 6 10 13 15 16 20 25 32A Nominal current Fuse gG selectable among values 2 4 6 8 10 12 13 16 20 25 32 40 50 63 80 100 125 160 200 250 315 400 500 630 800 1000 1250A Nominal current Fuse aM selectable among values 2 4 6 8 10 12 16 20 25 32 40 50 63 80 100 125 160 200 250 315 400 500 630A Time of fault extinction by the protection selectable among 0 1s 0 2s 0 4s 5s Vv Vv NW NN V WV Page 110 EN HT MACROTOUCH
32. bar reference by selecting the type of Loop sv protection Fuse of type gG or aM or magnetothermal MCB in curve B C K D Touch the In field The following screen appears on the display f LOOP tw sov 22 07 2013 14 32 EX Touch the icon to zero the value in the In field and use the virtual keyboard to set the value of the RCD rated current within the values allowed by the instrument Confirm the choice by going back to the previous screen Touch the icon in the lower right corner to set the tripping time of the RCD The following screen appears on the display Page 44 Naz MACROTOUCH amp COMBITOUCH 5 Move the slide bar reference by selecting the protection tripping time between the options 0 1s 0 2s 0 4s 5s Confirm the choice by going back to the initial measurement screen 6 If possible disconnect all loads connected downstream of the measured point as the impedance of these users could distort the test results Connect the shuko plug the alligator clips or the remote lead to the electrical mains according to Fig 16 Fig 17 Fig 18 and Fig 20 in the farthest possible point respect the protection on test Note the presence of the correct voltage values between L L and L PE corresponding to the selections carried out in the initial phase see 5 1 4 as shown in the screen to the side Press the GO STOP key or the START key on the remote lead During this whole stage do
33. carries out the test in presence of voltage between the inputs Shown on the display and blocks the test in case of voltage higher than 10V Touch the first icon in the lower left corner to set the measuring mode The following screen appears on the display 2 Move the slide bar reference in the position Ra for the Ez EARTH v 22 07 2013 14 32 selection of the earth measurement with voltammetric method in the position for the resistance measurement with use of optional clamp T2100 see S 6 7 3 or in the p position for the measurement of ground resistivity Conii the choice by going back to the initial measurement screen Touch the second icon in the lower left corner to set the tripping current of the differential switch TT and IT systems The following screen appears on the display EU 3 Move the slide bar reference in the position jf EARTH sv 220720121432 E corresponding to the value of the tripping current of the RCD differential switch as shown in the screen to the JE 2 side On the basis of this selection and the value of 100mA contact voltage 25V or 50V the instrument performs A t the calculation of the limit value of earth resistance see 650mA 12 11 that will compare with the measured value in 1000mA z order to provide the final positive or negative result of the measurement 4 4 For TN systems the instrument shows the initial screen f
34. chosen Curve 1 as pe decreases only in depth its advisable to use a very deep rod Curve 2 pas e decreases only until the depth d it is not useful to increase the depth of the rods beyond a Curve 3 the ground resistivity is quite constant so increasing depth does not make pe decrease therefore a ring rod must be used P Om DIST dm Fig 42 Ground resistivity measurement Page 116 EN HT MACROTOUCH amp COMBITOUCH Approximate evaluation of intentional rods contribution The resistance of an Rd rod can be calculated with the following formulas p r average resistivity of the ground a resistance of a vertical rod Rd p L where L length of the element touching the ground b resistance of a horizontal rod Rd 2p L where L length of the element touching the ground c resistance of linked elements The resistance of a complex system made of more elements in parallel is always higher than the resistance which could result from a simple calculation of single elements in parallel especially if those elements are close to each other and therefore interactive For this reason in case of a linked system the following formula is quicker and more effective than the calculation of the single horizontal and vertical elements Rd p 4r where r radius of the circle which circumscribes the link Page 117 Y o WHT Gx Series 12 13 VOLTAGE AND CURRENT HARMONICS Any periodical non sine wave can be represented
35. current probe Hh Press the SAVE button or touch the c icon to save the measurement see 7 1 14 For earth resistance measurement in TT systems in case of negative result see S 12 7 the screen to the side is displayed by the instrument It contains the value of contact voltage in the secondary display the value of contact resistance of the voltage probe Rs and the value of contact resistance of the current probe Rh Note the presence of the measurement result highlighted in red Press the SAVE button or touch the lj icon to save the measurement see 7 1 15 For earth resistance measurement in IT systems in case of negative result see S 12 8 the screen to the side is displayed by the instrument It contains the value of contact voltage in the secondary display the value of contact resistance of the voltage probe Rs and the value of contact resistance of the current probe Hh Note the presence of the measurement result highlighted in red Press the SAVE button or touch the ud icon to save the measurement see 7 1 Page 67 MACROTOUCH amp COMBITOUCH 11 Drive the auxiliary rods into the ground keeping to the distance instructions provided by the 12Connect the alligator clips to the auxiliary rods and to the installation under test according i EARTH rr sov 22 07 2013 14 32 t EARTH rr 5ov 22 07 2013 14 32 P Ra 1916 0 57 V rl 02 ra 87 Q a ee w EARTH iT s0v
36. in Table 5 see 12 4 the instrument shows the symbol to signal that the test has not been completed successfully and displays a screen similar to the one reported here to the side Press the SAVE button or touch the cu icon to save the measurement see 7 1 CAUTION 4 RCD rr 5ov 22 07 2013 14 32 180 x1 mm ms 134 ms xs 36 ms 36 m gt d gt 999 ms gt 999 ms According to standard EN61008 the test for Selective differential switches requires an interval of 60 seconds between the tests 30s for tests with 1 2 Idn The instrument display shows a timer indicating the time remaining before the instrument can automatically perform the test Page 26 AN HT MACROTOUCH amp COMBITOUCH 6 3 2 x x1 x2 x5 modes 9 Press the GO STOP key on the instrument or the START key on the remote lead The instrument will start the measurement The screen to the side concerning multiplier x1 is shown on the display when the hourglass icon indicates the performance of the test 10 At the end of the test with multiplier x1 2 x1 x2 or x5 if the tripping time for molded case type STD is as listed in Table 5 the instrument shows the ily symbol to signal that the test has been completed successfully and displays a screen similar to the one reported here to the side Press the SAVE button or touch the Bt icon to save the measurement see 7 1 At the end of the test for molded case t
37. instrument will start the measurement The screen to the side is shown on the display when the hourglass icon indicates the performance of the test 10 The AUTO mode foresees the automatic execution of 6 measurements in a sequence gt IdN x 1 with phase 0 the RCD must trip reset the switch icon DT gt IdN x 1 with phase 180 the RCD must trip reset the switch icon T gt IdN x 5 with phase 0 the RCD must trip reset the switch icon T gt IdN x5 with phase 180 the RCD must trip reset the switch icon DT gt IdN x with phase 0 RCD must not trip gt IdN x with phase 180 RCD must not trip end of test 3 RCD rrsov 22 07 2013 14 32 i m 11 The test has a positive result if all tripping times of molded case type STD comply with what indicated in Table 5 see S 12 4 The test has a negative result when one of the values is out of range During this whole stage do not disconnect the measuring leads of the instrument from the system on test 12 At the end of the test if the tripping time of each test complies with what is indicated in Table 5 see S 12 4 the instrument shows the symbol to signal that the test has been completed successfully and displays a screen similar to the one reported here to the side Press the SAVE button or touch the Cz icon to save the measurement see 7 1 13 At the end of the test if the tripping time of a test does not comply with what is indicated
38. loads EN 119 Y s WHT Gx Series 12 13 3 Presence of harmonics consequences In general even harmonics i e the 2 4 etc do not cause problems Triple harmonics odd multiples of three are added on the neutral instead of cancelling each other thus creating a condition of overheating of the wire which is extremely dangerous Designers should take into consideration the three issues given below when designing a power distribution system that will contain harmonic current e he neutral wire must be of sufficient gauge e The distribution transformer must have an additional cooling system to continue operating at its rated capacity when not suited to the harmonics This is necessary because the harmonic current in the neutral wire of the secondary circuit circulates in the delta connected primary circuit This circulating harmonic current heats up the transformer e Phase harmonic currents are reflected on the 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 and the 11 harmonic contrast the current flow through the motors making its operation harder and shortening their average life In general the higher the ordinal harmonic number the smaller its energy is and therefore the impact it will have on the devices except for transformers EN 120 Y o WHT Gx Series 12 14 CALCULATIO
39. mode T2100 Europe mode Europe mode Europe mode Europe mode Europe mode USA mode Europe mode Europe mode USA mode Europe mode Not available Europe mode Not available Not available USA mode Not available Not available USA mode Not available Europe Extra Europe USA Germany Europe mode Europe mode Europe mode Europe mode USA mode Europe mode Europe mode USA mode Europe mode Europe mode Norvay mode Norvay mode Europe mode Europe mode Europe mode Europe mode Europe mode Europe mode Table 2 LOOP and EARTH measurements depending on reference countries 5 1 3 Automatic Power OFF for display and key sound SETTINGS 22 07 2013 14 32 mu Q Touch the E icon The screen to the side appears on the display Move the slide bar reference of section Q down up to turn off on the Automatic Power OFF of the instrument after a period of inactivity of 5 minutes Move the slide bar reference of section A down up to disable enable the sound key when pressed Confirm the choices made and go back to the previous screen 5 1 4 System s SETTINGS 22 07 2013 14 32 Touch the icon to select the type of electrical system i NES TT TN or IT of the mains frequency 50Hz 60HZ of the limit value for contact voltage 25V 50V and rated voltage value to be used for calculating the assumed short circuit current see S The screen to the side appears on the display NOTE for US
40. options TN TT or IT 25 or 50V 50Hz or e Loop rsv 22 07 2013 14 32 60Hz and the reference voltage in the general settings of the instrument see 5 1 4 Touch the SZ icon The screen to the side appears on the display Touch the lower icon The following screen appears on the display 2 Move the left slide bar reference by selecting the E icon TN SOV 22 07 2013 14 32 to execute the measurement only with the instrument or the TA icon to execute the measurement with the instrument optional accessory IMP57 see 6 4 10 Move the central slide bar reference by selecting the L L L N or L PE options for TN systems only Move the right slide bar reference by selecting the kA option Touch the icon in the lower right corner to set the maximum tripping current expressed in kA that the protection must interrupt The following screen appears on the display Touch the icon to zero the value in the kA field and use the virtual keyboard to set the value of the breaking capacity of the protection between 1kA and 9999kA LOOP sov Confirm the choice by going back to the initial measurement screen 4 f possible disconnect all loads connected downstream f LOOP sov 22 07 2013 14 32 EX of the measured point as the impedance of these users ES could distort the test results Connect the shuko plug the alligator clips or the remote lead to the electrical mains
41. phase Isc current for LOOP v 22 07 2043 14 32 Em the L L case in the image NOT supported by the cable __ with the performed selections the screen to the side is displayed by the instrument Note the presence of the measurement result highlighted in red Press the SAVE button or touch the Di icon to save the measurement see 7 1 Page 43 AW HT MACROTOUCH amp COMBITOUCH 6 4 5 Mode 5Xna Verify of protection coordination 1 Select the reference country see 5 1 2 the options LOOP ss 22 07 2013 14 32 TN TT or IT 25 or 50V 50Hz or 60Hz and the reference voltage in the general settings of the instrument see 5 1 4 NOTE for USA country the TT and IT systems are not available Touch the S the display icon The screen to the side appears on Touch the lower icon The following screen appears on the display 2 Move the left slide bar reference by selecting the lil icon to execute the measurement only with the instrument or the g 8 icon to execute the measurement with the instrument optional accessory IMP5 7 see 6 4 10 Move the central slide bar reference by selecting the L L L N or L PE options for TN systems only Move the right slide bar reference by selecting the an Option Touch the icon in the bottom center to set the protection type and its rated current The following screen appears on the display 3 Move the slide
42. save its result The screen to 1 Arie OFFICE B the side appears on the display Lm SOCKET 1 The meaning of the icons is the following e gt 3 gt It expands hides the selected node et gt s gt It allows the choice of a 15t level node gt WEE gt It inserts a nested sub node max 3 levels gt Sse gt It adds a user comment on the performed measurement 2 ca tom i i 5 999 22 07 2013 14 32 Press the or iid key to insert a main marker or a sub marker The screen to the side is shown by the instrument E fi ma z Touch one of the names on the list this to select the desired marker Touch the arrow keys AJ Or Ly to enter a number associated with the marker if needed r 5 5 E 1 r E Confirm the choices by returning to the main screen Touch the key The following screen appears on the display 3 Use the virtual keyboard to enter any comment on the 95 999 22 07 2013 14 32 measurement This comment will be visible both after downloading the saved data to a PC with management software see 8 and recalling the result at display see 7 2 Confirm the choices by returning to the main screen Further confirm to permanently save the measurement in the internal memory A confirmation message is provided by the instrument 7 2 RECALLING MEASUREMENTS AND DELETING THE MEMORY Page 87 AW HT MACROTOUCH amp COMBITOUCH 1 ao m 5 9
43. see 6 7 2 points 3 4 5 2 Connect the clamp T2100 by inserting the connector into input In1 of the instrument Turn measurement mode t r5 the clamp on and put it in RS232 mode see the user manual of the clamp The e 3e symbol appears on the display of the clamp In these conditions the instrument clamp group is ready to perform the measurements The following screen is shown on the display by the instrument 3 The meaning of the symbols is the following EARTH tw sov 22 07 2013 14 32 gt 8 This icon indicate the correct serial connection of the clamp to the instrument gt 0 5 Touch this icon to zero all the values of the measured probes and the correspondent parallel resistance ru gt Touch this icon to add a rod to the measurement The Ni parameter increases by one unit gt Ra 2 indicates the calculation of the parallel of resistances for each measurement performed on each rod gt grt his indicates the value of contact voltage resulting from the measurement N gt indicates the number of rods in the measure gt R gt indicates the resistance value of the rod currently measured gt gt It allows downloading on the instrument the memory contents of clamp T2100 in order to obtain the final result of the measurement Hods resistance measurement with clamp T2100 connected to the instrument 4 Connect the clamp to the first rod of the earth network considered as
44. system is a zero category system or safety extra low voltage system characterized by power supply from an independent e g batteries small generator set or safety source e g safety transformer protective separation from other electrical systems double or reinforced insulation or earthed metal screen and absence of earthed points insulated from the earth A PELV system is a zero category system or protective extra low voltage system characterized by power supply from an independent e g batteries small generator set or safety source e g safety transformer protective separation from other electrical systems double or reinforced insulation or earthed metal screen and unlike SELV systems presence of earthed points not insulated from the earth A system with Electrical Separation is a system characterized by a power supply from an insulation transformer or independent source with equivalent characteristics e g motor generator set protective separation from other electrical systems insulation no lower than that of the insulation transformer protective separation to earth insulation no lower than that of the insulation transformer Purpose of the test The test to be performed if protection is obtained through separation must check that the insulation resistance measured as described below according to the type of separation complies with the limits reported in the table relating to insulation measurements Parts of th
45. the instrument MENU 22 07 2013 14 32 memory is accessed a screen similar to the one Message Box The memory is empty 1 reported here to the side is displayed Incase tries to define a new sub node over the 3rd level 15 999 22 07 2013 14 32 EN the instrument provides the warning screen shown to the side and blocks the operation In case tries to create a sub node by using a just used ff 22 07 2013 14 32 name the instrument provides the warning screen In case tries to define a numebr of nodes of 1st 2nd and nl 5 999 22 07 2013 14 32 i 3rd level higher than 250 for each level the instrument provides the warning screen shown to the side In case tries to include a comment of length higher than 22 07 2013 14 32 E 30 chars the instrument provides the warning screen o Message Box shown to the side Max length 30 chars Page 89 EN HT MACROTOUCH amp COMBITOUCH 8 CONNECTING THE INSTRUMENT TO A PC OR MOBILE DEVICES The connection between a PC and the instrument can be done via a serial port see Fig 3 by means of an optical cable USB C2006 or by means a WiFi connection Before making the connection in USB mode it is necessary to install on the PC the C2006 cable drivers present in the supplied CD ROM in addition to the management software To transfer stored data to PC keep to the following procedure Connection to PC via optical USB cable 1 Switch on the instrument by p
46. without any overload protection Not buried cable The verify performed by the instrument DOES NOT replace in any case the project calculations 1 Select the options TN TT or IT 25 or 50V 50Hz or 60Hz and the reference voltage in the general settings n EE of the instrument see S 5 1 4 Q Touch the amp the display icon The screen to the side appears on Touch the lower icon The following screen appears on the display 2 Move the left slide bar reference by selecting the lil icon E LOOP mv 22 07 2013 14 32 9 to execute the measurement only with the instrument or the TA icon to execute the measurement with the instrument optional accessory IMP57 see 6 4 10 Move the central slide bar reference by selecting the L L L N or L PE options for TN systems only Move the right slide bar reference by selecting the It option Touch the icon in the bottom center to set the protection type and its rated current The following screen appears on the display 3 Move the slide bar reference by selecting the type of E Loop sv 22 07 2013 14 32 EN protection Fuse of type gG or aM or magnetothermal MCB in curve B C K D In B Touch the In field The following screen appears on the 16 A we a display as a ue 1 5mm 7 Cu Pvc Page 41 AN HT MACROTOUCH amp COMBITOUCH LOOP rw sov 22 07 2013 14 32 4 Touch the t
47. 0 9 5 reading 1 digit Page 92 EN HT MACROTOUCH amp COMBITOUCH 1 999 5 reading 3digits Limit contact voltage ULIM 25V 50V Test on RCD protection Molded case type Differential protection type RCD AC 4 A aa B z General G Selective S and Delayed Voltage range Phase Earth Phase Neutral 100V 265V RCD type AC and A 190V 265V RCD type B Rated tripping currents IAN 10mA 30mA 100mA 300mA 500mA 650mA 1000mA Frequency 50 60Hz 596 Molded case type RCD tripping current all for General RCD only RCDtype AN Range IAn mA Resolution mA Accuracy IAN 10mA 0 10 lAn 10mA IAN lt 650mA 0 3 1 1 IAn um B 30mA lt IAN lt 100mA 0 5 lAn Measurement duration of Molded case type RCD tripping time TT TN systems x 1 2 x 1 x2 x5 AUTO a Ga s Ic s Ola s Ola s Olas Mio s 9 AC 999 999 999 999 999 999 200 250 50 150 Yo ov 310 A 999 999 9991999 999 9991200 250 50 150 V vy 310 B AC 999 999 999 999 999 999 200 250 50 150 v y 310 RE A 999 999 9991999 999 999 200 250 50 150 V vy 310 B 999 999 999 999 999 999 310 AC 999 999 999 999 999 999 200 250 50 150 v y 310 A 999 999 9991999 999 999 200 250 50 150 viv 310 B 999 999 999 999 999 999 m AC 999 999 999 999 999 999 200 250 50 150 v ov 310 A 999 999 9991999 999 999 200 250 310 650mA B AC 999 999 999 999 999 999 200 250 1000mA A 999 999 999 999 999 999 Table with duration of tripping time meas
48. 1 esses nennen nnnm nnn nnne nnne nnne nnne nnn nnns 96 10 9 General characieriSll6S assiette pda dax btd aw gu tie S Eta A bt dar ua EAO AAR EEA 97 10 2 EDWIFOPILITISIL oisi a eesotit EE E E MEN ME 97 10 4 1 Environmental conditions for use lssessssesssssssseseeee nennen nennen nnn na nnne annt nnns 97 DOES recedit 97 RELIQUIS 97 TT 1 Vall anby cohdIlOFiSssspesadesa Sada UERaDESRU Sd USdUESd IESU Rd IUS i RE sarta Ra ue DE Rn Pc RCM Rcs 98 e OOO E E 98 T2 THEORGINOACAFFENDA oc aen bag HC IERI SWR UE ree 98 12 1 Continuity of protective conductors esseessssssssseseeeeeenenn nennen nnne nnns 99 12 2 Insulation TesiSlall Due cese au ou te Eee E FRE EE RERUMS CHKa OC MoITOIIe REI a INE DURIx IL TEP uU REA IM ARUM 99 D Eee geke fellis eziziio ETT TT 100 12 4 Teston differential switches RCD cccccccccsececeeeceeeeeeeeeseeeseeeseeeesaeeseueeseeesaneeseees 103 12 5 Verify of the breaking capacity of protection devices ssseeeseesseseeesssse 104 12 6 Verify of protection against indirect contacts in TN systems ssseseesesssssse 105 12 7 Verify of protection against indirect contacts in TT systems ssseseeessssss 107 12 8 Verify of protection against indirect contacts in IT systems seuesssuuss 108 12 9 Verify of protection coordination L L L N and L PE seeeeseeeseeeeese
49. 15V INPUT AXE O 9 Black Nero Negro BA eo B3 B2 B Schwarz Noir Green Verde Green Verde Gr n Verde Vert Gr n Verde Vert Black Nero Negro Schwarz Noir Fig 32 Connection of the instrument for L N mode voltage drop measurement Blue Blu Blau Blue Blu Blau Azul Bleu Azul Bleu Z1 Offset Z2 m J in Acar Wl 240V 3 INPUT MAX 415V INPUT MAX 5 2 l AM CAT M 240V INPUT MAX415V INPUT MAX SVQ Black Nero Negro 7 B4 B3 Boo Bi 8 B3 L B1 KS Schwarz Noir Green Verde Green Verde Grun Verde Vert Grun Verde Vert Black Nero Negro Schwarz Noir Fig 33 Connection of the instrument for L L mode voltage drop measurement Page 78 Naz MACROTOUCH amp COMBITOUCH 1 Select the option 50Hz or 60Hz and the reference Phase Neutral or Phase Phase voltage in the general Am a settings of the iar see 5 1 4 Touch the AV96 icon and then the icon he screen to the side appears on the display Touch the lower left icon to set the type of measurement The following screen appears AV Max HH on the display 2 Move the second slide bar reference and select the type of measurement between the options L L Phase Phase measurement or L N Phase Neutral measurement Move the third slide bar reference and select the pa cL EN gpa E icon to carry out measurement with the optional AV Max bo accessory IMP57 see 6 4 10
50. 9 9991200 250 50 150 v 310 B 999 999 999 999 999 999 AC 999 999 9991999 999 999 200 250 50 150 V vy 310 A 999 999 999 999 999 9991200 250 50 150 Yo iv 310 B 999 999 9991999 999 999 AC 999 999 9991999 999 999 200 250 A 999 999 999 999 999 999 Table with duration of tripping time measurement ms Resolution 1ms Accuracy 2 0 reading 2digits Duration of RCD without integral current breaking device tripping time IT systems x 1 2 x 1 x2 x5 AUTO a Ga s Mice s B a s Bla s Olas VS a s 9 AC 999 999 9991999 999 9991200 250 50 150 AC 999 999 9994999 999 9991 200 250 50 150 v v 310 B 6 6A AC 999 999 9994999 999 9991 200 250 A 10 0A B Table with duration of tripping time measurement ms Resolution 1ms Accuracy 2 0 reading 2digits Overall earth resistance without RCD tripping Ra Voltage range Phase Earth Phase Neutral 100 265V Frequency 50 60Hz 5 Global earth resistance in systems with Neutral Range Q Resolution Q 0 01 9 99 5 reading 0 10 10 0 199 9 5 reading 10 200 1999 5 reading 30 Ut LIM UL 25V or 50V Maximum current lt 15mA Global earth resistance in systems without Neutral Range 9 Resolution Q 1 1999 0 5 0 rdg 30 Maximum current lt V Aw set Ut LIM UL 25V or 50V Contact voltage measured during RCD and Ra test Range V Resolution V 0 Ut LIM 0 5 0 rdg 3V Page 94 EN HT MACROTOUCH amp COMBITOUCH C
51. 99 22 07 2013 14 32 B Touch the is icon in the general menu The screen to the side appears on the display L w OFFICE B L SOCKET 1 E Each measurement is identified by the icons ur test 2 RPE with positive result or run test with negative result Touch the desired measurement to select it on the display O Touch the 2 icon to recall the measurement result The following screen appears on the display 2 3 22 07 2013 14 32 EX Touch the Li icon to recall and possibly change the comment entered when saving via the internal virtual ots st Er keyboard Touch the pil icon to go back to the previous screen 3 t tei 5 999 22 07 2013 14 32 E Touch the cm icon to delete the last saved result in the instrument memory The following screen appears press ENTER to clear on the display LAST test Press ESC to quit this window Le Touch the icon to confirm the operation or the 21 gt i icon to return to the previous screen 4 ne qus 5 999 22 07 2013 14 32 Touch the S icon to delete all the results stored in the memory of the instrument The following screen Message Box i Press ENTER to cl appears on the display E o clear Press ESC to quit this window Fa Touch the we icon to confirm the operation or the 2 icon to return to the previous screen Page 88 AW HT MACROTOUCH amp COMBITOUCH 7 2 1 Anomalous situations In case there is no measure saved and
52. A country this icon is not displayed and the electrical system is fixed to TN Move the slide bar references to select the options Confirm the choices made and go back to the previous screen Page 12 IN HT MACROTOUCH amp COMBITOUCH 5 1 5 Operator name entry a SETTINGS 22 07 2013 14 32 a Touch the icon S to enter the name of the operator that s will be displayed in the header of each measurement downloaded to PC The screen to the side appears on the display gt Set the desired name using the virtual keyboard max 12 characters gt Confirm the settings or exit without saving 5 1 6 System date time setting Touch the icon LS to set the system date time The screen to the side appears on the display Touch the EU icon for the European date time system in the format DD MM YY hh mm or the US icon for the American system in the format MM DD Y Y hh mm AM PM Touch the up down arrow keys to set the desired value Confirm the settings or exit without saving Current date time is kept inside the instrument without batteries for approximately 12 hours 5 2 INFORMATION Touch the icon Lo The display shows the screen on the right with the icons relative to the properties of the instrument the optional accessories IMP57 and T2100 and the HTAnalysis APP Touch the icon LR The display shows the screen on the MACROTESTG3 right as well as following information SN 13040032 gt Serial n
53. CE quu warnulnutu MENU 2204 2014 14 32 inl Tu oa Insulation RCD Test Loop Test E User manual MACROTOUCH amp COMBITOUCH Copyright HT ITALIA 2015 Release EN 2 03 06 03 2015 EN HT MACROTOUCH amp COMBITOUCH Table of contents 1 PRECAUTIONS AND SAFETY MEASURES eeeseesseeeeeennenn enne nnn nna 4 1 1 Preliminary A VUC ONS oues Erro bU RU E Up ERU ERN nU O ERES 4 1 2 BljJ NU 4 Wee PACTS o E 5 1 4 Definition of measurement overvoltage category ccccccceccceeeceeeseeeseeeseeeneeeneeeseeeneeenes 5 2 GENERAL DESORIPTIODBLussisnttndbtniptexbbndpbndtunisqibanp diua Dn EH Und quip tima ba bed dais D CNEEE gl 02 0 ae Te ne ee Meese nT ee eee eee eee ee ce ee ee eee ee 6 2 2 Instrument functions llesssssssssssssessssseennee nennen nennen nne nnne nennen na sre nna nna nns 6 D PREPARA TON EOR EISE uides ORI PEIUNM E ME INIMMEIM ENSE 7 Seke WENA CNC el NR EE 7 32 Instrument power SUD DIV el sete ciacacmutacantasincaumsacaumsineaeminanmstnaremnacmtnninn bun unosi axes 8 S EMEN T 8 Sr EE e ET T m 8 E ize E NDUL E 8 dT WASTES TC ciel eio 2 MEER m 9 4 2 Description of measuring leads sess nnn nnns 9 4 3 Keyboard description cccccecccseec
54. CH amp COMBITOUCH i 599 9 Q 599 9 aus Oma 0 mA auro rs so co 22 07 2013 14 32 ES R 225m c Rt Re TT 22 52 EX QE 190 mA oim Sd auro rs559 gt 0 J i O RPE 22 07 2013 14 32 Li Message Box Unsuccessfull calibration A new calibration is required AUTO RS 50 SNE 22 07 2013 14 32 E O Message Box Calibration reset A new calibration is required auro Rs 5Q EN HT MACROTOUCH amp COMBITOUCH 6 2 MOQ MEASUREMENT OF INSULATION RESISTANCE This function is performed in compliance with standards IEC EN61557 2 and allows measuring the insulation resistance between the active conductors and between each active conductor and the earth CAUTION e The instrument can be used for measurements on installations with overvoltage category CAT III 240V to earth and CAT III 415V between inputs Category CAT Ill is suitable for measurements carried out on installations inside buildings with T low voltage examples are distribution boards wirings switches fixed installation Sockets electric motors industrial equipment e We recommend holding the alligator clip respecting the safety area created by the hand protection see S 4 2 e Check that the circuit being tested is not live and that all possible loads normally connected to it are disconnected before carrying out insulation measurement The following operating modes are available AUTO The test is activated by the GO S
55. F AMBIENT PARAMETERS THROUGH EXTERNAL PROBES By means of external transducers this function allows measuring the following environmental parameters Page 75 AW HT MACROTOUCH amp COMBITOUCH C air temperature in C by means of thermometric transducer F air temperature in F by means of thermometric transducer Lux 20 illuminance by means of luxmetric transducer with a 20Lux capacity Lux 2k illuminance by means of luxmetric transducer with a 2kLux capacity Lux 20k illuminance by means of luxmetric transducer with a 20kLux capacity RH air relative humidity by means of humidity transducer mV input DC voltage without applying any transduction constant 596 AN CAT M 240V INPUT MAX 415V INPUT MAX 5V 7 AM CAT in 240V INPUT MAX 415V INPUT MAX SV 7 B4 B3 I B1 eC Touch the icon and then the Le icon The screen to the side appears on the display Touch the icon in the lower left corner to set the type of measurement The following screen appears on the display 2 Move the slide bar reference to select the type of measurement among the options C temperature in Celsius degrees F temperature in Fahrenheit degrees Lux 20 illuminance with 20Lux capacity Lux 2k illuminance with 2kLux capacity Lux 20k illuminance with 20kLux capacity RH relative humidity mV measurement of DC voltage up to 1V Confirm the choices by going back to the initial measurement screen
56. However we recommend checking it to detect any damage possibly suffered during transport In case anomalies are found immediately contact the Dealer Page 7 EN HT MACROTOUCH amp COMBITOUCH We also recommend checking that the packaging contains all the components indicated in 10 5 In case of discrepancy please contact the Dealer In case the instrument should be returned please follow the instructions given in S 11 3 2 INSTRUMENT POWER SUPPLY The instrument is powered by 6 1 5V alkaline batteries of type AA LRO6 or 6 1 2V NiMH rechargeable batteries of type AA LRO6 supplied with the instrument Rechargeable batteries can be recharged with the external chargers provided with the instrument too The green Hu Mi symbol indicates a sufficient charge level for the correct execution of the tests The red dl P symbol indicates an insufficient charge level for the correct execution of the tests In this case recharge the batteries see 9 2 The instrument is capable of keeping data stored even without batteries The instrument has an AutoPower OFF function which can be deactivated after 5 minutes idling see 5 1 2 3 3 CALIBRATION The instrument has the technical specifications described in this manual Its performance is guaranteed for 12 months from the date of purchase 3 4 STORAGE In order to guarantee precise measurement after a long storage time under extreme environmental conditions wait for the instru
57. N OF POWERS AND POWER FACTORS Single phase mode The instrument measures the values of RMS Voltage and RMS Current and calculates the average Power values for each period The formulas for power calculation are where N number of samples in the period Three phase balanced mode The instrument measures the values of RMS Voltage between L1 and L2 phases and RMS Current on L3 phase and calculates the average Power values for each period The formulas for power calculation are N Q Bx LxWwxi N i l S 43x Aw x P S Q P Pf I where N number of samples in the period EN 121 Tel 01743 762300 email sales ht instrumentsdirect co uk Web www ht instrumentsdirect co uk YAMUMOO057HTO
58. TOP key of the instrument or START of the remote lead and lasts 2 seconds Recommended mode v The operator may set a sufficiently long measuring time 1s 999s to be able to move the test lead on the conductors being tested while the instrument is carrying out the test For the whole measurement duration the instrument will give out a short sound every second While measuring if the insulation resistance reaches a lower value than the set limit the instrument will give a continuous acoustic signal To stop the test press again the GO STOP key on the instrument or the START key on the remote lead Black Nero Schwarz Negro Noir A9 1 A car OUS PUT MaKe EVO INPUT WAX SV Blue Blu Blau Azul Bleu Blue Blu Blau Azul Bleu Fig 9 Insulation test between phase and earth by means of shuko plug Page 18 LW HT MACROTOUCH amp COMBITOUCH 22 07 2013 14 32 EX Touch the icon The screen to the side appears on the display The instrument automatically carries out the test for the presence of voltage between the inputs shown on the display and blocks the test in case of voltage higher than 10V Touch the AUTO icon to set the measuring mode The following screen appears on the display 2 Move the slide bar reference in the positions AUTO Automatic mode or Timer mode Confirm the choice by going back to the previous screen If Timer mode is selected the followin
59. VE button or touch the Bt icon to save the measurement see 7 1 Page 71 Naz MACROTOUCH amp COMBITOUCH 6 7 3 Earth measurement with optional clamp T2100 This measurement allows evaluating the partial resistances of the single earth rods of complex ring networks without disconnecting them and performs the calculation of the corresponden parallel resistance Please refer to the user manual of clamp 12100 for specific details The following measurement methods are available Measurement of rod resistance with direct connection of clamp T2100 to the instrument Measurement of rod resistance by means of clamp T2100 used independently and subsequent connection of the clamp to the instrument for data transfer A CAUTION Fig 30 Resistance measurement of single rods with clamp 12100 Page 72 Naz MACROTOUCH amp COMBITOUCH 1 Select the options TN TT or IT 25 or 50V SOHz or 60Hz and the reference voltage in the general settings at EARTH rN sov 22 07 2013 14 32 P of the instrument see S 5 1 4 Touch the icon touch the first icon in the lower left corner and set the see 6 7 1 point 2 The following screen appears on the display The uu icon indicates that the clamp T2100 is not connected to the instrument or is not in RS232 mode Configure the same settings on the protection parameters depending on the type of system TT TN or IT see S 6 7 1 points 3 4 5 6 or
60. WIFI The instrument can be connected remotely via WiFi connection to a Android iOS smartphones and or tablets for the transfer of measurement data using the APP HTAnalysis Proceed as follows 1 Download and install the HTAnalysis on the desired remote device Android IOS see S 5 2 2 Put the instrument in data transfer mode to a PC see 8 point 3 3 Take reference to the HTAnalysis instruction for the management operation 9 MAINTENANCE Page 90 EN HT MACROTOUCH amp COMBITOUCH 9 1 GENERAL INFORMATION While using and storing the instrument carefully observe the recommendations listed in this manual in order to prevent possible damage or danger during use Donotuse the instrument in environments with high humidity levels or high temperatures Do not expose to direct sunlight Always switch off the instrument after use Should the instrument remain unused for a long time remove the batteries to avoid liquid leaks that could damage the instruments internal circuits 9 2 REPLACEMENT OF THE BATTERIES When the LCD display shows the low battery symbol 4 V replace the alkaline batteries or recharge the rechargeable batteries CAUTION Only expert and trained technicians should perform this operation Before carrying out this operation make sure you have disconnected all cables from the input terminals owitch off the instrument by pressing the ON OFF key Hemove the cables from the input leads
61. according to Fig 16 Fig 17 Fig 18 and Fig 20 in the nearest possible point to the protection device Note the presence of the correct voltage values between L L and L PE corresponding to the selections carried out kA TORA in the initial phase see 5 1 4 as shown in the screen to the side Page 39 AW HT MACROTOUCH amp COMBITOUCH 5 Press the GO STOP key or the START key on the LooP sv 22 07 2013 14 32 remote lead During this whole stage do not disconnect gt the measuring leads of the instrument from the system under test In case of positive outcome the screen to the side is shown by the instrument Press the SAVE button or touch the ul icon to save the measurement see 7 1 6 In case of test failure measured Isc Max current gt set E LOOP sv 22 07 2013 14 32 EN threshold the screen to the side is displayed by the instrument Note the presence of the measurement result highlighted in red Press the SAVE button or touch the icon to save the measurement see 7 1 Page 40 EN HT MACROTOUCH amp COMBITOUCH 6 4 4 Mode It Verify of protection against short circuit CAUTION The verify of conductor protection against the thermic effect of short circuit is performed under the following conditions Ambient temperature of 25 C Presence of external insulation not live conductor No harmonics Short circuit at the beginning of the line or at the end of the line
62. ance between the test probes The following screen appears on the display 8 Move the slide bar reference on the left to select the EARTH sv 22 07 2013 14 32 measurement unit of the distance between the options m meters or ft feet Move the slide bar reference on the right to select the distance d between the measuring probes choosing between 1m 10m 3ft 30ft oN onwh Wr k E Confirm the choices by going back to the initial measurement screen 9 Connect the blue red green and black cables to the corresponding instrument input terminals H S ES E then add the alligator clips if necessary 10Extend if necessary the blue and red measuring cables on a separate way by means of cables with proper section Adding any extension does not require calibration and does not affect the measured earth resistance value Page 66 standards see S 12 12 1 to Fig 26 Fig 27 Fig 28 or Fig 29 13 Press the GO STOP key During this whole stage do not disconnect the measuring i us of the instrument from the system under test The bs symbol is shown on the display for the entire duration of the test For earth resistance measurement in TT IT systems in case of positive result the screen to the side is displayed by the instrument It contains the value of contact voltage in the secondary display the value of contact resistance of the voltage probe Rs and the value of contact resistance of the
63. asurement see 7 1 Page 62 EN HT MACROTOUCH amp COMBITOUCH 6 7 EARTH MEASUREMENT OF EARTH RESISTANCE The instrument allows performing the measurement of earth resistance of an installation in the following ways gt Measurement of earth resistance with 3 wire or 2 wire voltammetric method gt Measurement of ground resistivity p with Wenner 4 wire method gt Measurement of resistance of individual rods without disconnecting them by means of the optional clamp T2100 6 7 1 3 wire or 2 wire earth measurement and 4 wire ground resistivity The measurement is carried out in compliance with standards IEC EN61557 5 CAUTION The instrument can be used for measurements on installations with overvoltage category CAT III 240V to earth with a maximum voltage of 415V between inputs Do not connect the instrument to installations with voltages exceeding the limits indicated in this manual Exceeding these limits could result in electrical shocks to the user and damage to the instrument Always connect the measuring cables to the instrument and to the alligator clips with the accessories disconnected from the system We recommend holding the alligator clip respecting the safety area created by the hand protection see 4 2 If the length of the cables supplied is not suitable for the installation under test you can create your own extensions following the indications in 12 12 1 AA I AN cari 240V INPUT
64. at checking the real tripping current of general differential switches it does not apply to selective differential switches n the presence of differential switches with selectable tripping current it is useful to perform this test in order to check the real tripping current of the differential switch For differential switches with fixed differential current this test may be performed in order to detect possible leakages of the users connected to the system gt Should an earth system not be available perform the test by connecting the instrument to a terminal on a conductor downstream of the differential device and a terminal on the other conductor upstream of the device gt Tripping current must be between ldn and Idn Page 103 EN HT MACROTOUCH amp COMBITOUCH 12 5 VERIFY OF THE BREAKING CAPACITY OF PROTECTION DEVICES Purpose of the test Checking that the breaking capacity of the protection device is higher than the maximum fault current possible in the system Parts of the system to be checked The test must be performed at the point in which the maximum short circuit current is possible normally immediately downstream of the protection device to be checked The test must be performed between phase and phase Zpp in three phase systems and between phase and neutral Zpn in single phase systems Allowable values The instrument performs the comparison between the measured value and the value calculated accordi
65. by selecting the type of conductor The available options are Cu Copper and Al Aluminum Move the right slide bar reference by selecting the insulation type of the cable between the options PVC Rub Butil Rubber Buty rubber and EPR XLPE Ethylene propylene rubber Cross linked polyethylene Confirm the choice by going back to the initial measurement screen Page 42 Naz MACROTOUCH amp COMBITOUCH 6 If possible disconnect all loads connected downstream L Loop sv 22 07 2013 14 32 of the measured point as the impedance of these users 2 could distort the test results Connect the shuko plug the alligator clips or the remote lead to the electrical mains according to Fig 16 Fig 17 Fig 18 and Fig 20 Note the presence of the correct voltage values between L L and L PE corresponding to the selections carried out in the initial phase see 5 1 4 as shown in the screen to the side 7 Press the GO STOP key or the START key on the L00P sv 22 07 2013 14 32 remote lead During this whole stage do not disconnect E Isc the measuring leads of the instrument from the system a 469 under test In case of positive result three phase short circuit current for the L L case in the image supported by the cable with the performed selections the screen to the side is displayed by the instrument Press the SAVE button or touch the ul icon to save the measurement see 7 1 8 In case of negative result three
66. ceeeeceeeseeeseueeceeeeseeeseueeseeessaeeseueesseessueeseueeasessneesanes 10 EE o i ae aioe 0 6 DTE 10 S MEME QU ol 21 gt 9 een ne eee en nee eee eee eee ee i 10 D GENERAL MENU 11 Sos WIStUMENT SSNS aeaa E SUN DINI Ub un tUm DH aaNet Ribq Ub DUNDEDPES EDI 11 5 1 1 LAO Scio ERNEUT mmm 11 5 1 2 Rororonce COUMIUCY m o geen 12 5 1 3 Automatic Power OFF for display and key SOUNG cccccseeeeeeeeeeeeeceeeeeeaeeeeeseeeeeeesaeeeeeas 12 5 1 4 OY SUG IN ze ceicisqoetute E tire ces inde fetason case seo UI meses d fede ioeetsGecstesacs 12 5 1 5 Operator name TA ENTER RE DOTEM 13 5 1 6 System date time setting sseeesseiisssssssesssseeseeeeeennnn nennen nennen nennen nnne a nnn nnns 13 5 2 oe dtticilo ERE 13 6 OPERATING INSTRUCTIONS isseias iageat eb e Vibe Epis Pagi PrEVPEiUPEUPYMPPCAPETPVICZIPYISP P PEYPIIGNSq E 14 6 1 LOWOC Continuity of protective conductors ssessssessssseseneeeeneenne nen 14 6 1 1 PATO GAO US SUA ANOS MP 17 6 2 MQ Measurement of insulation resistance cccccseccseceseeeneeeneeeseeeneeeneeeseeeneeeneeeneeenes 18 6 2 1 PMO GAO USS NN eNO aE TOE E EET E 21 6 3 RCD Test on differential switches ccccccecceccceceseeec cece cece eeseeesaeeseeeseeeseeeseeeseeeseeses 22 6 3 1 AUTO MOTE eee en E ne ane
67. cuit current is shown in the IMP57 sv 22 07 2013 14 32 E upper part of the display The P P Loop impedance values in addition to its resistive and reactive components are shown in the central part of the display expressed in mQ Press the SAVE button or touch the Di icon to save the measurement see 7 1 Page 54 AW HT MACROTOUCH amp COMBITOUCH 6 4 11 Anomalous situations 1 If the instrument detects the absence of the signal to z M If the instrument detects an L N or L PE voltage higher 5 Loop s s 22 07 2013 14 32 EN than the maximum limit 265V it does not carry out the test and displays a screen like the one to the side Check the connection of measuring cables Warning input voltage 265V If the instrument detects an L N or L PE voltage lower fe Loop nv 22 07 2013 14 32 E than the minimum limit 100V it does not carry out the test and displays a screen like the one to the side Check Gmninselimubveliane lt TOY that the system being tested is supplied If the instrument detects the absence of the signal to Eu ES terminal B1 phase conductor it provides the warning shown to the side and blocks the execution of the Missing L If the instrument detects the absence of the signal to LOOP n sw 22 07 2013 14 32 E terminal B4 neutral conductor it provides the warning screen shown to the side and blocks the execution of the tests terminal B3
68. d star secondary transformers The secondary generally provides 230V AC from phase to neutral and 400V AC from phase to phase Balancing the loads on each phase has always represented an headache for electric systems designers Until some ten years ago in a balanced system the vectorial sum of the currents in the neutral was zero or quite low given the difficulty of obtaining a perfect balance The devices were incandescent lights small motors and other devices that presented linear loads The result was an essentially sinusoidal current in each phase and a low current on the neutral at a frequency of 50 60Hz gt Modern devices such as TV sets fluorescent lights video machines and microwave ovens normally draw current for only a fraction of each cycle thus causing non linear loads and subsequent non linear currents All this generates odd harmonics of the 50 60Hz line frequency For this reason the current in the transformers of the distribution boxes contains only a 50Hz or 60Hz component but also a 150Hz or 180Hz component a 50Hz or 300Hz component and other significant components of harmonic up to 750Hz or 900Hz and higher gt The vectorial sum of the currents in a balanced system that feeds non linear loads may still be quite low However the sum does not eliminate all current harmonics The odd multiples of the third harmonic called TRIPLENS are added together in the neutral and can cause overheating even with balanced
69. dard or IMP57 mode with high resolution by means of optional accessory IMP57 Measurement of earth impedance and ground resistivity by voltammetric method and measurement by using optional clamp T2100 Detection of phase rotation in a generic three phase system with 2 or 1 terminal measuring method Measurement of environmental parameters Temperature Humidity llluminance by using optional probes Real time measurement of leakage current by using optional clamp HT96U Measurement of percentage voltage drop on mains lines Real time measurement of main parameters powers harmonics power factor MACROTOUCH amp COMBITOUCH Table 1 Characteristics of models 2 2 INSTRUMENT FUNCTIONS The instrument is equipped with a TFT color LCD display with capacitive touch screen that can be handled simply with the touch of a finger by the user and is structured with an icon based menu allowing the direct selection of measurement functions for quick and COMBITOUCH The instrument can perform the following tests compatibly with the characteristics described in Table 1 Page 6 MACROTOUCH amp COMBITOUCH RPE MO RCD LOOP EARTH SEQ AUX LEAKAGE AV PQA Continuity test of earth protective and equipotential conductors with test current higher than 200mA and open circuit voltage between 4V and 24V Measurement of insulation resistance with continuous test voltage of 50V 100V 250V 500V or 1000V
70. during whatever period of a week 95 if the RMS value of each harmonic voltage mediated on 10 minutes will have to be inferior than or equal to the values stated in Table 8 The total harmonic distortion THD of the supply voltage including all the harmonics up to 40 order must be inferior than or equal to 8 EN 118 VY i WHT Gx Series Odd harmonics tiple oi Not multipleof3 Relative voltage Relative voltage ME oe Pig Relative voltage edid Table 8 Limits for the harmonic voltages the supplier may introduce into the network These limits theoretically applicable only for the supplier of electric energy provide however a series of reference values within which the harmonics introduced into the network by the users must be contained 12 13 2 Presence of harmonics causes Any apparatus that alters the sine wave or uses only a part of such a wave causes distortions to the sine wave and therefore harmonics All current signals result in some way virtually distorted The most common situation is the harmonic distortion caused by non linear loads such as electric household appliances personal computers or speed control units for motors Harmonic distortion causes significant currents at frequencies that are odd multiples of the fundamental frequency Harmonic currents affect considerably the neutral wire of electric installations gt In most countries the mains power is three phase 50 60Hz with a delta primary an
71. e display The instrument automatically carries out the test for the presence of voltage between the inputs shown on the display and blocks the test in case of voltage higher than 10V Touch the AUTO icon to set the measuring mode The following screen appears on the display 2 Move the slide bar reference in the positions AUTO Automatic mode or Timer mode Confirm the choice by going back to the previous screen If Timer mode is selected the following screen is shown Touch the tj icon to zero the value in the Timer field and use the virtual keyboard to set the value in seconds between 1s and 99s Confirm the choice by going back to the initial measurement screen 4 Touch the icon R lt xxQ to set the maximum limit value of the resistance on which the instrument makes the comparison with the measured value The screen to the side appears on the display Touch the tj icon to zero the value in the Rx field Use the virtual keyboard to set the value between 19 and 990 Confirm the choice by going back to the initial measurement screen Note the presence of the set limit value Page 15 EN HT MACROTOUCH amp COMBITOUCH 5 Perform if necessary the compensation of the measuring leads resistance by connecting the cables or the remote lead as shown in Fig 7 UB AA CATII 220 4 INPUT MAX 415V INPUT MAX Syg o Nero Blue Blu Blau Azul Bleu Blue Blu Blau Azul Bleu Fi
72. e 49 6 4 9 Verify of protection against indirect contacts TT systems eeeeeeseeeeeneeeeenneee 50 6 4 10 Impedance measurement by means of the accessory IMP57 cccccccccsseeeeeseeeeeeeeeeeeeeeees 53 6 4 11 Anomalous situations e auscunttut enitn dont ndicteaunund te qu bei Tebesensckura 5 M uncze ni aenbk2 0d eheu d th credi cM done 55 6 5 SEQ Phase sequence and phase concordance test eeseeeseeeeeeeese 57 6 5 1 Anomalous situations ses cone cetee sordemcesesceaaa gira eret eS qued aet e DP US edt tecie boat eius OU eni cose E 60 6 6 LEAKAGE Leakage current measurement esseesssesssseseeen eee 61 6 7 EARTH Measurement of earth resistance sse 63 6 7 1 3 wire or 2 wire earth measurement and 4 wire ground resistivity ssssssse 63 Page 2 EN HT MACROTOUCH amp COMBITOUCH 6 7 2 3 wire or 2 wire earth measure USA Extra Europe and Germany countries 69 6 7 3 Earth measurement with optional clamp T2100 ce cccccseeeeeceeeeeeceeeeeeeeeeeeeeseaeeeeneeeeeesaees 72 6 7 4 Anomalous situations in 3 wire and 2 wire earth measurements seeessssss 75 6 8 AUX Measure of ambient parameters through external probes 75 6 9 AV Voltage drop of main lines seesseeseesessseeneeneenen nnnm 78 6 9
73. e EARTH sv 22 07 2013 14 32 E 3 as in the figure to the side Touch the central icon to set the rated current of the RCD The following screen appears on the display Page 65 AN HT MACROTOUCH amp COMBITOUCH x Touch the tj icon to zero the value in the A field and use the virtual keyboard to set the value of fault current declared by the Energy distribution board between 1A and 9999A Confirm the choice by going back to the initial measurement screen EARTH tn sov 22 07 2013 14 32 P Touch the icon in the lower right corner to set the tripping time of the RCD The following screen appears on the display w EARTH tn sov 22 07 2013 14 32 Touch the icon to zero the value in the s field and use the virtual keyboard to set the value of the time for fault elimination t declared by the Energy distribution board between 0 04s and 10s On the basis of previous selections the instrument performs the calculation of the maximum limit of earth resistance according to the value of maximum allowable contact voltage see S 12 11 that will compare with the measured value in order to provide the final positive or negative result of the measurement Confirm the choice by going back to the initial measurement screen 7 For resistivity measurement the instrument shows the f EARTH rv 22 07 2013 14 32 initial screen as in the figure to the side Touch the icon to the right to set the measurement unit and the dist
74. e and PE leads are Warning reverse L PE LS La Eie LC 8 If the differential switch being tested trips during the RCD 22 07 2013 14 32 EM preliminary checks performed automatically by the amp Massada Box instrument before executing the selected test the instrument does not carry out the test and displays a screen like the one to the side Check that the IdN set value is consistent with the differential switch in question and that all loads connected downstream of it are disconnected G oos eure d 9 If the instrument detects a dangerious voltage on PE RCD 22 07 2013 14 32 E conductor it provides the warning screen shown to the side and blocks the execution of the tests Check the PE Warning E arning Voltage on PE conductor and earth plant efficiency This message can also appair in case of an insufficient pressure of the GO STOP key Warning RCD tripped 10 If the instrument detects a dangerious contact voltage Ut over the set limit 25V or 50V in the starting pre test it provides the warning screen shown to the side and Warina q i blocks the execution of the tests Check the PE munem conductor and earth plant efficiency Page 31 Naz MACROTOUCH amp COMBITOUCH 11 If the instrument detects a voltage Vn pe gt 50V or the 4 RCD 22 07 2013 14 32 EX analogue Vn pe gt 25V it provides the warning screen Message Box shown to the side and blocks the test for safety reasons C
75. e of the general menu and the icon So go back to the previous page Inside the screens touch the icon to confirm a selection _ 9 uu or the icon to exit without confirming 9 1 INSTRUMENT SETTINGS Touch the icon The screen to the side appears on the display The following settings are available oystem language setting Setting of the type of electrical system oetting of the country Operator name setting oystem date time setting Activation deactivation of display AutoPower OFF and of key sound VVVVV WV settings will be maintained also after switching off the instrument 5 1 1 Language Touch the icon 6 to select the system language The SETTINGS 22 07 2013 14 32 screen to the side appears on the display ESPANOL Select the desired language confirm the choice and return P Te ITALIANO to the previous screen FRANCAIS Page 11 9 1 2 Reference country MACROTOUCH amp COMBITOUCH i SETTINGS 01 12 2014 13 27 s SE Touch the icon Lig to select the reference country This choice have influence on the LOOP and EARTH measurements see 6 4 and 6 7 as shown in Table 2 The screen to the side appears on the display Extra Europe select the desired country confirm the choice and return to the previous screen Europe mode LOOP n Europe mode IT EARTH Ra Europe mode Europe mode Europe mode Europe mode EARTH Europe mode measure with Europe
76. e system to be checked e SELV System Safety Extra Low Voltage v Measure the resistance between the active parts of the circuit being tested separated and the active parts of the other circuits v Measure the resistance between the active parts of the circuit to be tested separated and the earth e PELV System Protective Extra Low Voltage v Measure the resistance between the active parts of the circuit being tested separated and the active parts of the other circuits Electrical separation v Measure the resistance between the active parts of the circuit being tested separated and the active parts of the other circuits v Measure the resistance between the active parts of the circuit to be tested separated and the earth Allowable values The test has a positive result when the insulation resistance shows values higher or equal to those indicated in Table 4 Page 101 EN HT MACROTOUCH amp COMBITOUCH EXAMPLE OF SEPARATION TEST BETWEEN ELECTRICAL CIRCUITS p B M M x x D t Li e e z P e e e 4 1 4 4 Li r r Li 4 r 4 E E Li t 4 4 r 4 t Li r 1 J L 1 1 r Li H r 1 0 B Insulation or safety transformer separating the circuits TEST BETWEEN ACTIVE PARTS Connect an instrument probe to one of the two conductors of the
77. easured voltage and of the minimum insulation resistance can be taken from the following table l Circuit nominal voltage V Test voltage V nsu M SELV and PELV Up to equal to 500 V except for the above mentioned circuits Over 500 V The terms SELV and PELV replace in the standards new wording the old definitions of Very low safety voltage or Very low functional voltage Table 4 Most common test types insulation resistance measurement If the system includes electronic devices it is necessary to disconnect them from the system to prevent any damage Should this not be possible only perform the test between active conductors which in this case must be connected to each other and the earth connection In the presence of a very extended circuit wires running side by side constitute a capacity that the instrument must load in order to obtain a correct measurement in this case it is advisable to hold the start button of the measurement in case you run the test in manual mode until the result is stable The gt full scale message indicates that the insulation resistance measured by the instrument is higher than the maximum measurable resistance this result is obviously much higher than the minimum limits in the standard table above so the insulation at that point is to be considered compliant 12 3 CHECKING CIRCUIT SEPARATION Definitions Page 100 EN HT MACROTOUCH amp COMBITOUCH A SELV
78. easurement of voltage in a Three phase balanced plant Connect the clamp to In1 input of the instrument and to the phase conductor for Single phase or to the L3 phase for Three phase balanced systems The arrow on the clamp must follow the direction in which the current normally flows from the generator to the load as shown in Fig 34 and Fig 35 5 The screen to the side shows the real time values of i 24 04 2014 14 32 electrical parameters in a Single phase plant For the v Hr meaning of the parameters refer to 8 12 14 The symbols 230 8 2r 25 50 00 Jm and show the type Inductive or Capacitive of kW an the load respectively 5 901 2 158 6 28 coso Pfam E 0 94 0 94 6 The screen to the side shows the real time values of is 24 04 2014 14 32 electrical parameters in a Three phase balanced plant V A Saez For the meaning of the parameters refer to S 12 14 The 381 51 11 EE 00 symbols m and show the type Inductive or kW KVAr om Capacitive of the load respectively 7 27 2 637 coso 0 94 Press the SAVE button or touch the Ez icon to save the measurement see 7 1 Page 85 AN HT MACROTOUCH amp COMBITOUCH f lee it PQA 24 04 2014 14 32 i Touch the icon to display the parameters of harmonic analysis The display shows the screen on the right relative to a Single phase plant The display shows the histogram graphic of the L8 1 a J J percenta
79. ect the measuring leads of the instrument from the system being tested In case of positive result maximum percentage value of calculated voltage drop according to S 12 11 set limit value the screen to the side is displayed by the instrument which contains the value of the Z2 end of line impedance together the Z1 Offset value Press the SAVE button or touch the c icon to save the measurement see 7 1 In case of negative result maximum percentage value of calculated voltage drop according to S 12 11 set limit value the screen to the side is displayed by the instrument which contains the value of the Z2 end of line impedance together with the Z1 Offset value Press the SAVE button or touch the S icon to save measurement see 7 1 Page 81 MACROTOUCH amp COMBITOUCH AW HT MACROTOUCH amp COMBITOUCH 6 9 1 Anomalous situations 1 If the instrument detects an L N or L PE voltage higher avr 24 02 2014 14 32 than the maximum limit 265V it does not carry out the test and displays a screen like the one to the side Check a the connection of measuring cables Warning input voltage gt 265V 2 If the instrument detects an L N or L PE voltage lower fa av 24 02 2014 14 32 E Y than the minimum limit 100V it does not carry out the C MessgeBox test and displays a screen like the one to the side Check EN that the system being tested is supplied Warning input voltage lt TOUV 3 If the instrum
80. ected at instrument input 2 When starting a measurement the instrument checks EARTH rrsv 22 07 2013 14 32 E the continuity of measuring cables If the voltmetric MessageBox circuit red cable S and green cable ES is fpesistance ES S too high interrupted or its resistance value is too high the instrument displays a screen similar to the one on the side Check that the terminals are properly connected and that the rod connected to terminal S is not driven into a pebbly or scarcely conductive ground In this latter case pour water around the rod to decrease its resistance value see 12 12 1 3 When starting a measurement the instrument checks EARTH rrsov 220720131432 EX Y the continuity of measuring cables If the ampermetric circuit blue cable H and black cable E is interrupted or its resistance value is too high the instrument displays a screen similar to the one on the side Check that the terminals are properly connected and that the rod connected to terminal H is not driven into a pebbly or scarcely conductive ground In this latter case pour water around the rod to decrease its resistance value see 12 12 1 Resistance H E too high 4 When starting a measurement the instrument checks am EARTH rrsw 22 07 2013 14 32 EX the situation of B2 S and B3 ES inputs In case a reverse of conductors on the installation it blocks the test Reverse ES S and the message is shown 6 8 AUX MEASURE O
81. ection device is lower than the specific short circuit energy bearable by the cables according to the known relationship see 12 10 2 2 K S gt It where K and S are parameters of the cable set by the user that s to say K parameter indicated by the guideline depending on the type of conductor material and on the material of the insulating sheath o section of the cable To completion of the above checks the instrument performs also 4xnn Check of the coordination of protections The instrument detects the value of the line impedance upstream to the measurement point calculates the minimum value of short circuit current and the corresponding value of the trip out time t of the protection device and gives a positive outcome if the value is lower than the limit set by the user see 12 9 STD Generic test The IMP57 optional accessory allows the instrument to perform both individual and high resolution 0 1m amp 2 Line Loop impedance measurements The following table summarizes the possible measures executable depending on the type of system TT TN and IT of selected modes and the relationships that define limit values Page 35 EN HT MACROTOUCH amp COMBITOUCH TN IT s Mode Condition x OK outcome Condition x OK outcome Condition x OK outcome sto Memm nooo nooo E Isc L L max BC Isc L L max BC Isc L L max BC Isc L L 3F 2 t K Sy Isc L L3F t K SP Isc L L3F 2 t K
82. ement as the magnetic field they produce could interfere with the measuring operations and place the conductor as much as possible in the center of the jaws to maximize accuracy 1 9 AFTER USE When measurements are completed turn off the instrument by pressing and holding the ON OFF key for several seconds If the instrument is not to be used for a long time remove the batteries and follow the instructions given in 3 4 1 4 DEFINITION OF MEASUREMENT OVERVOLTAGE CATEGORY Standard IEC EN61010 1 Safety requirements for electrical equipment for measurement control and laboratory use Part 1 General requirements defines what measurement category commonly called overvoltage category is 6 7 4 Measured circuits reads circuits are divided into the following measurement categories e Measurement category IV is for measurements performed at the source of a low voltage installation Examples are electricity meters and measurements on primary overcurrent protection devices and ripple control units e Measurement category Ill is for measurements performed on installations inside buildings Examples are measurements on distribution boards circuit breakers wiring including cables bus bars junction boxes switches socket outlets in fixed installation and equipment for industrial use and some other equipment for example stationary motors with permanent connection to fixed installation e Measurement category ll is for measur
83. ement of ground resistivity Confirm the choice by going back to the initial measurement screen Touch the second icon in the lower left corner to set the tripping current of the differential switch TT and IT systems The following screen appears on the display K i is _ ge Lm e E o8 E a i nez 3 Move the slide bar reference in the position f EARTH rav 22 07 2013 14 32 corresponding to the value of the tripping current of the MEE mA RCD differential switch as shown in the screen to the 30mA aa side On the basis of this selection and the value of 100mA contact voltage 25V or 50V the instrument performs A a the calculation of the limit value of earth resistance see 650mA 12 11 that will compare with the measured value in ema order to provide the final positive or negative result of the z measurement 4 For TN systems the instrument shows the initial screen f EARTH rn sov 01 12 2014 13 27 BO as in the figure to the side E Touch the second icon to set the limit value of the earth resistance which will be used by the instrument as reference The following screen appears on the display Page 69 Naz MACROTOUCH amp COMBITOUCH a EARTH twsov 01 12 2014 13 27 s BO Touch the Uj icon to zero the value in the Q field and use the virtual keyboard to set the value of limit earth resistance between 10 and 9990 Confirm the c
84. ements performed on circuits directly connected to the low voltage installation Examples are measurements on household appliances portable tools and similar equipment e Measurement category is for measurements performed on circuits not directly connected to MAINS Examples are measurements on circuits not derived from MAINS and specially protected internal MAINS derived circuits In the latter case transient stresses are variable for that reason the standard requires that the transient withstand capability of the equipment is made known to the user 2 GENERAL DESCRIPTION Page 5 2 1 FOREWORD This user manual is referred to the following models MACROTOUCH and COMBITOUCH The following Table 1 shows the possible functions Symbol Measurement description MACROTOUCH intuitive use Continuity test of earth protective and equipotential conductors with test current higher than 200mA and open circuit voltage between 4V and 24V Measurement of insulation resistance with continuous test voltage of 50V 100V 250V 500V or 1000V Tests on molded case RCD STD and without integral current breaking device RCD 3 General and Selective of type AC No A and B Measurement of overall earth resistance in sockets with no residual current protection tripping Ra and measurement of line impedance and of fault loop Loop P N P P P PE with calculation of the assumed short circuit current lpsc in Stan
85. ent detects the absence of the signal to GP AV 24 02 2014 14 32 E terminal B1 phase conductor it provides the warning screen shown to the side and blocks the execution of the Warning Missing L tests s J 4 f the instrument detects the absence of the signal to db AV 24 02 2014 14 32 i terminal B4 neutral conductor it provides the warning screen shown to the side and blocks the execution of the tests Warning Missing N 5 If the instrument detects the absence of the signal to avos 24 02 2014 14 32 terminal B3 PE conductor it provides the warning screen shown to the side and blocks the execution of the Warning Missing PE tests J s Page 82 Naz MACROTOUCH amp COMBITOUCH 6 If the instrument detects that the phase and neutral leads avr 24 02 2014 14 32 E are inverted it does not carry out the test and a screen similar to the one reported to the side is displayed Rotate the shuko plug or check the connection of measuring cables Warning reverse L N 7 If the instrument detects that the phase and PE leads are asvoe 24 02 2014 14 32 E inverted it does not carry out the test and a screen similar to the one reported to the side is displayed Warning Check the connection of measuring cables 8 If the instrument detects a danger voltage on PE we4v 24 02 2014 14 32 conductor it does not carry out the test and displays a screen like the one to the side This message can al
86. ents compares the calculated value of AV maximum voltage drop to the set limit value according to applicable guidelines according to the following relationship AV ix AZ Z Twom 100 Vivom where Z2 End point impedance of the main line being tested Z1 Initial point impedance Offset of the main line being tested Z2 gt Z1 INOM Nominal current of protection device of the main line being tested Vnom Phase Neutral or Phase PE nominal voltage of the main line being tested 12 12 MEASUREMENT OF EARTH RESISTANCE IN TN SYSTEMS Purpose of the test Page 112 EN HT MACROTOUCH amp COMBITOUCH Check that the measured value of earth resistance is lower than the maximum limit calculated on the basis of the maximum allowable contact voltage Utp for the system In accordance with the requirements of standard EN50522 for USA Germany and Extra Europe countries refer to the respective guidelines the maximum allowable contact voltage is dependent on the time duration of the fault according to the following Table 7 Fault duration s Allowed contact voltage Utp V 10 0 85 1 0 1 85 200 J2 2 0 J 4 296 JX J Table 7 Maximum allowable values for contact voltage Allowable values The maximum earth resistance is calculated using the following relation U tp R lt g where Utp maximum allowable contact voltage in the system on the basis of the value of Utp t
87. erify of protection against indirect contacts TN system 1 Select the options TN 25 or 50V 50Hz or 60Hz and E Loop ss 22 07 2013 14 32 the reference voltage in the general settings of the m instrument see S 5 1 4 Touch the SZ icon The screen to the side appears on the display Touch the lower icon The following screen appears on the display 2 Move the left slide bar reference by selecting the E icon to execute the measurement Move the central slide bar reference by selecting the L PE option The right slide bar reference is automatically set in position Confirm the choice by going back to the initial measurement screen 3 Move the slide bar reference by selecting the type of protection Fuse of type gG or aM or magnetothermal MCB in curve B C K D Touch the In field The following screen appears on the display Touch the 9 icon to zero the value in the In field and use the virtual keyboard to set the value of the nominal current of the protection within the values allowed by the instrument see S 6 4 4 Confirm the choice by going back to the previous screen Touch the icon in the lower right corner to set the tripping time of the protection The following screen appears on the display 5 Move the slide bar reference by selecting the protection tripping time between the options 0 1s 0 2s 0 4s 5s Confirm the choice by going back to the initial measurement screen
88. f the 220ma 221 ma measurement dil auro rs 5o od Press the SAVE button or touch the az icon to save the measurement see 7 1 Page 16 10 At the end of the test if the value of the measured resistance is higher than the set limit the screen to the side is shown on the display The value is shown in red and the j symbol indicates the negative result of the measurement The gt 99 9Q message indicates the instrument overload status Press the SAVE button or touch the Bt icon to save the measurement see 7 1 Anomalous situations In AUTO or modes if the instrument detects a resistance lower than the set limit value but for which is it not able to generate a current of 200mA the screen to the side is displayed The symbol is shown on the display and the values of the real test current are indicated in red If in 04 mode the instrument detects a resistance higher than 2Q at its terminals it resets the offset value DE and displays a screen like the one to the side The icon is shown on the display to indicate the calibration reset value i e performing the operation with open terminals In case the instrument detects that the calibrated resistance is higher that the measured resistance the instrument gives out a long sound and displays a screen d 0 like the one to the side The icon is shown on the display to indicate the calibration reset value Page 17 MACROTOU
89. g 7 Compensation of single cables and remote lead resistance 6 Touch the icon to activate the measurement After a 22 07 2013 14 32 few seconds the instrument provides the screen to the side if the operation is successful Rcables x 20 the R 0 00 indication of the value is shown in the Real field and the ES E 18 Q icon Uu is shown on the display NL AUTO Rs 50 Touch the AUTO icon or to go back to the main JE measurement screen CAUTION Before connecting the test leads make sure that there is no voltage at the ends of the conductor to be tested 7 Connect the alligator clips and or test leads and or remote lead to the conductor to be tested as in Fig 6 CAUTION Always make sure before any measurement that the compensation resistance value is referred to the cables currently used In case of doubt repeat points 5 and 6 8 Press the GO STOP key on the instrument or the START key on the remote lead The instrument will start the measurement During this whole stage do not disconnect the test leads of the instrument from the conductor under test The following screen appears on the display 9 The value of the result is shown in the upper part of the screen while the partial values of the test with inverted polarity of the test source in addition to the real test currents are reported in the fields R and R ae R 1 49Q 1 The symbol indicates the positive result o
90. g screen is shown Touch the tj icon to zero the value in the Timer field and use the virtual keyboard to set the value in seconds between 1s and 999s Confirm the choice by going back to the initial measurement screen 4 Touch the icon R2xxQO to set the minimum limit value of the insulation resistance on which the instrument makes the comparison with the measured value The screen to the side appears on the display Touch the x icon to zero the value in the R2 field Use the virtual keyboard to set the value between 0 01MQ and 999MQ Confirm the choice by going back to the initial measurement screen Note the presence of the set limit value 5 Touch the xxxxV icon to set the test DC voltage in the insulation measurement The screen to the side appears on the display Move the slide bar reference to the desired value for test voltage by choosing among 50 100 250 500 1000VDC Confirm the choice by going back to the initial measurement screen Note the presence of the set limit value Page 19 EN HT MACROTOUCH amp COMBITOUCH CAUTION Disconnect any cable not strictly involved in measurement and especially check that no cable is connected to In1 input Before connecting the test leads make sure that there is no voltage at the ends of the conductors to be tested 6 Connect the alligator clips and or test leads and or remote lead to the ends of the conductors to be tested as in Fig 8 and Fig 9 7 P
91. ge amplitude relative to the fundamental and im 4 didi the voltage harmonic V1N Single phase or VL1 L2 kw 5 Ges oN Three phase balanced and the fundamental and the P current harmonics from 1 up to 25 order A blue frame immediately identifies the harmonic of higher amplitude except for the fundamental The display shows the numeric value of the harmonics amplitudes identified by the hxx symbol and the THD see 12 13 appear in the right side of the display Use the arrow keys lt q or P or touch the correspondent icon on the display to decrease or increase the order of the harmonics Press the SAVE button or touch the Ez icon to save the measurement see 7 1 Page 86 AN HT MACROTOUCH amp COMBITOUCH 7 OPERATIONS WITH THE MEMORY 7 1 SAVING MEASUREMENTS The structure of the memory area 999 locations of tree type with the possibility to expand hide the nodes allows the division up to 3 markers nested so as to finalize the precise locations of the measuring points with the insertion of test results Each marker has associated up to 20 fixed names non editable or deletable max 20 names that can be freely defined by the user by means of management software see the online help of the program For each marker it is also possible to associate a number between 1 and 250 1 At the end of each measurement press the SAVE key 95 999 220120131432 ER or touch the Peal icon to
92. he values not included in Table 7 are obtained by linear interpolation according to the duration time of the fault value provided by the Energy distribution board lg maximum fault current in the system value provided by the Energy distribution board On the instrument it is possible to select the value of the time duration of the fault in the range between 0 04s and 10s and the value of the fault current in the range between 1A and 9999A 12 12 1 Measurement of earth impedance by voltammetric method Page 113 EN HT MACROTOUCH amp COMBITOUCH Creating cables extensions If the length of the cables supplied with the instrument is not enough you can create your own extensions to carry out the measurements in the system without influencing the instrument accuracy and by the nature of the voltammetric method without the need to perform any compensation of measuring cable resistance To create extensions always adopt the following guidelines to ensure the safety of the operator Always use cables characterized by insulation voltage and insulation class appropriate to the rated voltage and measurement category overvoltage of the system under consideration For extension terminals always use connectors having measurement category overvoltage and voltage appropriate for the point where you plan to connect the instrument see S 1 4 The use of the optional accessories 1066 IECN black and 1066 IECR red is recomme
93. heck the PE conductor and earth plant efficiency Warning Voltage Vnpe 50V E E3 25 83 12 If the instrument detects in the input terminals a too high 3 RcD 22 07 2013 14 32 E external impedance such that it can not provides the nominal current it provides the warning screen shown to Warning External impedance the side and blocks the test Disconnect the possible is too high loads downstream the LCD before perform the test G Loss oso bat 13 For only RCD type B if the instrument is not able to 4 RCD 22 07 2013 14 32 provide for the charging of the internal capacitors of the RCD it provides the warning screen shown to the side Warning RCD B Internal and blocks the test Check that the VL N voltage should capacitors are not charged be more than 190V 14 For only RCD type B if the instrument detects a input 4 RCD 22 07 2013 14 32 i voltage VL N 190V it provides the warning screen shown to the side and blocks the test Chech the values Warning Input voltage tei low of the voltages on the installation 15 For test on earth leakage relay RCD if the value set for the rated current of the protection device is out of the allowed range the instrument provides the warning screen shown to the side and stops the tests Change the value of the rated current of the protection device Page 32 EN HT MACROTOUCH amp COMBITOUCH 6 4 LOOP LINE IMPEDANCE LOOP AND OVERALL EARTH RESISTANCE This f
94. hich includes the phase winding of the transformer the line conductor up to the fault point and the protective conductor from the fault point to the star center of the transformer la Tripping current of the protection device within the specified time in Table 6 Uo nominal AC voltage refer to ground CAUTION The instrument must be used to measure fault loop impedance values at least 10 times higher than the resolution value of the instrument in order to minimize errors Parts of the system to be checked The test must necessarily be performed on TN and IT systems not protected by differential devices Allowable values The measurement is aimed at ensuring that in every point of the system the relationships derived from standard EN60909 0 are satisfied g P PE la lt TE Cun Z p pr Measuedvotagg Uim CC SCs 230V 10 Vmeasured 230V 10 230V 230V 10 Vmeasured lt 400V 10 400V 10 Vmeasured 400V 10 400V Page 105 EN HT MACROTOUCH amp COMBITOUCH Depending on the set values of phase phase phase neutral or phase PE voltage see 5 1 4 and the measured value of fault loop impedance the instrument calculates the minimum value of the assumed short circuit current to be interrupted by the protection device For proper coordination this value MUST always be greater than or equal to the la value of the tripping current of the type of protection considered The la reference val
95. hoice by going back to the initial measurement screen Connect the instrument to the installation as indicated in the points 9 10 11 and 12 of the S 6 7 1 6 Press the GO STOP key During this whole stage do not f EARTH rrsov 22 07 2013 14 32 disconnect the measuring inr of the instrument from E the system under test The bs symbol is shown on the display for the entire duration of the test For earth resistance measurement in TT IT systems re 02 ra 87 ae in case of positive result see 12 7 the screen to the da acA i t ern F 5 side is displayed by the instrument It contains the value of contact voltage in the secondary display the value of contact resistance of the voltage probe Rs and the value of contact resistance of the current probe Rh Press the SAVE button or touch the Bt icon to save the measurement see 7 1 7 For earth resistance measurement in TT systems in case of negative result see S 12 7 the screen to the side is displayed by the instrument It contains the value of contact voltage in the secondary display the value of contact resistance of the voltage probe Rs and the value of contact resistance of the current probe Rh Note the presence of the measurement result highlighted in red iil EARTH rr sov 22 07 2013 14 32 P Raz soma Press the SAVE button or touch the Dia icon to save the measurement see 7 1 8 For earth resistance measurement in
96. indirect contacts IT systems 1 Select the options IT 25 or 50V 50Hz or 60Hz and the reference voltage in the general settings of the instrument see 5 1 4 _ Touch the the display icon The screen to the side appears on Touch the lower icon The following screen appears on the display Page 49 2 1 Move the left slide bar reference by selecting the B icon to execute the measurement Move the central slide bar reference by selecting the L PE option The right slide bar reference is automatically set in position Confirm the choice by going back to the initial measurement screen If possible disconnect all loads connected downstream of the measured point as the impedance of these users could distort the test results Connect the alligator clips or the remote lead to the electrical mains according to Fig 21 Note the presence of the correct voltage values between L L and L PE corresponding to the selections carried out in the initial phase see 5 1 4 and a possible N PE voltage due to the IT system as shown in the screen to the side Press the GO STOP key or the START key on the remote lead During this whole stage do not disconnect the measuring leads of the instrument from the system under test In case of positive result contact voltage at the point 50V or 25V the screen to the side is displayed by the instrument which contains the val
97. ing to the technical specifications of the instrument see S 10 1 This could cause the tripping of possible magnetothermal or differential protections at lower tripping currents Black Negro Nero Noir Fig 16 P N P PE measure for single phase two phase 230V systems with shuko plug Black Negro Nero Noir Schwarz As MPUT MAX 215W pIHPUT MAX SY i CAT ill 240 Fig 17 P N P PE measure for single phase two phase 230V systems with cables and remote lead Page 33 AW HT MACROTOUCH amp COMBITOUCH TE j AN CAT I 240 INPUT MAX SV INPUTS o Blau Bleu Fig 18 P N P PE measurement for 400V N PE three phase systems by means of single cables and remote lead in I Y A CAT M aov INPUTMAXAISV INPUTS e N s B1 Green Verde Gr n Verde Vert Fig 20 P PE P N measurement for 400V PE no N systems by means of single cables _ and remote lead E N N int AA CATI 240v INPUTMAX4T8V nUT SVG Fig 21 P PE measurement for IT systems by means of single cables and remote lead Page 34 EN HT MACROTOUCH amp COMBITOUCH 6 4 1 Test types The protection of electrical lines is the essential part of a project so as to guarantee the correct functionality and avoid damages to persons or property To this purpose the safety guidelines impose on electrical designers also to design the electrical installation in order to reach
98. ious screen 6 Go to step no 9 in case the value of Z1 Offset has been set manually In case of the value of Z1 Offset has NOT been manually set connect the instrument to the initial point of the main line being tested typically downstream to a protection device according to Fig 32 or Fig 33 in order to carry out the first Z1 Offset impedance measurement In this case the instrument will measure the impedance upstream of the initial point of the main line being tested taking it as start reference The following screen referred to L L measurement appears on the display 7 Touch the icon GJ to start the first Z1 Offset ls ed impedance measurement The symbol appears on the display during measurement At the end of measurement the following screen appears on the display 8 The value of Z1 Offset impedance is shown on the display and is automatically included on the lower right icon together with the 0 symbol to indicate the instantaneous saving of the value 9 Connect the instrument to the final point of the main line being tested according to Fig 32 or Fig 33 in order to measure the Z2 impedance at the end of line The screen to the side is displayed Note the previously measured Z1 Offset value displayed Jade Page 80 10 Press the GO STOP key on the instrument to measure 1 the Z2 impedance and complete the AV96 voltage drop measurement During this whole stage do not disconn
99. j icon to zero the value in the In field and use the virtual keyboard to set the value of the RCD rated current within the values allowed by the instrument The following selections are available on the instrument MCB current B curve selectable among 6 10 13 15 16 20 25 32 40 50 63A MCB current C K curves selectable among 0 5 1 1 6 2 4 6 10 13 15 16 20 25 32 40 50 63A MCB current D curve selectable among 0 5 1 1 6 2 4 6 10 13 15 16 20 25 32A Nominal current Fuse gG selectable among 2 4 6 8 10 12 13 16 20 25 32 40 50 63 80 100 125 160 200 250 315 400 500 630 800 1000 1250A Nominal current Fuse aM selectable among 2 4 6 8 10 12 16 20 25 32 40 50 63 80 100 125 160 200 250 315 400 500 630A YYY V YV Confirm the choice by going back to the previous screen Touch the icon in the bottom right corner to set the type section and material forming the inner insulation of the cable of the line under test The following screen appears on the display 5 Touch the mm field and by using the virtual keyboard Loop 06 19 2012 11 350m INT set and confirm the section value of the single cable free Conduct selectable 240 mm B Touch the field and by using the virtual keyboard set and confirm the possible number of parallel cords In the case that the circuit have only one conductor set the 1 value xg Move the central slide bar reference
100. lu Blue Azul Blau Bleu Fig 35 Connection for measurement on Three phase balanced installations kWt 24 04 2014 14 32 9X lag Touch the icon amp and then the icon The display V shows the screen on the right B lt 50 kW kVAr vA Touch the right bottom icon to set the measurement a LII mode and the full scale of used transducer clamp The display shows the following screen Page 84 Naz MACROTOUCH amp COMBITOUCH 24 04 2014 14 32 P Touch the icon to zero the value into the FS field and use the virtual keyboard to set the full scale of the used transducer clamp This value is within the range 1A 3000A H Touch the right bottom icon to set the type of FS 100 a Gale 52 measurement The display shows the following screen Lofe z3 3 Move the reference of the slide bar to select the followed available options gt 10 gt Measurement on Single phase plant gt 3 S6 gt Measurement on Three phase balanced Confirm the choice by going back to the initial measurement screen 4 Insert the blue and black connectors into the corresponding B4 and B1 input terminals of the instrument Insert the remaining free end of the cables in the corresponding crocodiles or tips Connect crocodiles or test leads to the phase P and N according to Fig 34 for the measurement of the voltage in Single phase plant or at L1 and L2 phase according to Fig 35 for the m
101. ment to come back to normal condition see 10 4 1 4 NOMENCLATURE Page 8 Naz MACROTOUCH amp COMBITOUCH 4 1 INSTRUMENT DESCRIPTION 1 CAPTION Inputs LCD Touch screen display Function keys F1 F2 F3 F4 VA b 4 ENTER keys Compartment of the connector z for optical cable USB port PP dee De 6 ESC key 3 7 GOISTOP key 8 HELP key 5 9 SAVE key 10 0N OFF key CAPTION 1 Connector for remote probe 2 B1 B2 not on COMBITOUCH B3 B4 inputs 3 In1 input Fig 2 Description of the upper part of the instrument CAPTION 1 Connector for optical cable USB port and adapter optical WiFi OPTICAL PORT C20 1 03 Fig 3 Description of the instrument s side 4 2 DESCRIPTION OF MEASURING LEADS CAPTION 1 Hand protection 2 Safe area Fig 4 Description of measuring leads Page 9 Naz MACROTOUCH amp COMBITOUCH 43 KEYBOARD DESCRIPTION The keyboard includes the following keys ON OFF key to switch on off the instrument M ESC key to exit the selected menu without confirming N lt A P Y keys to move the cursor through the different screens in order A to Feli the desired programming parameters HOME ENTER key to back to general Menu on each moment GO STOP key to start the measurement SAVE key to save the measured values HELP key to access the online help and display the possible connections between the instrument and the system fo
102. nals of the instrument B4 B1 21 measurement Insert in the free end of the cables the corresponding alligator clips or tips It is also possible to use the remote lead by inserting its multipolar connector into the input lead B1 Connect the alligator clips the tips or the remote lead to phase L1 and N according to Fig 22 and Fig 23 START key on the remote lead The instrument will start j the measurement During this whole stage do not disconnect the measuring leads of the instrument from the system under test JU AUR m The symbol for the tip on phase L1 and the hourglass indicating the status of pending recognition of a voltage higher than the maximum allowed sog shown on the display The instrument gives out a long sound until input voltage is present d LUE i c 4 lt Eo z s standby waiting for the signal on phase L2 and showing the symbol of disconnected tip as shown in the screen to the side Under these conditions connect the alligator clips the tips or the remote lead to phase L2 and N in accordance with Fig 22 and Fig 23 indicating the status of pending recognition of a voltage higher than the maximum allowed Once the correct voltage recognized the symbol is shown on the display Page 58 AW HT MACROTOUCH amp COMBITOUCH 8 At the end of the test if the detected phase sequence is 22 07 2013 14 32 correct the instrument displays a screen like the
103. ncluded Test current resolution 1mA Open circuit voltage 4 lt VO lt 24V Insulation resistance MO Test voltage V Range Q Resolution Q Accuracy 0 01 9 99 2 0 TAT r bans 50 0 99 9 5 0 reading 2digits 0 01 9 99 2 0 100 1002999 7 2 0 reading 2digits 100 0 199 9 5 0 reading 2digits 0 01 9 99 noe 0 10 0 99 9 2 0 reading 2digits 100 499 5 0 reading 2digits 0 01 9 99 10 0 199 9 2 0 reading 2digits 200 499 1 500 999 5 0 reading 2digits 0 01 9 99 10 0 199 9 2 0 reading 2digits 200 999 1 1000 1999 5 0 reading 2digits Open circuit voltage rated test voltage 0 10 Rated measuring current gt 1mA with 1kQ x Vnom 50V 100V 250V 1000V gt 2 2mA with 230kQ 500V Short circuit current lt 6 0mA for each test voltage Safety protection error message for input voltage gt 10V Line Loop impedance Phase Phase Phase Neutral Phase Earth Range Q Resolution Q Accuracy 0 01 9 99 10 0 199 9 alicia dine a 0 1 mQ in range 0 1 199 9 mO by using the optional accessory IMP57 Maximum test current 5 81A at 265V 10 10A at 457V Phase Neutral Phase Phase Test voltage 100V 265V 100V 460V 50 60Hz 5 Protection types MCB B C D K Fuse gG aM Insulating sheath materials PVC Butyl rubber EPR XLPE First fault current IT systems Range mA Resolution mA 0 1
104. nd B4 and inputs B1 J RCD 22 07 2013 14 32 E and B3 is lower than 100V the instrument provides the Mossads Box warning screen shown to the side and blocks the Warning input voltage lt 100V execution of the tests terminal B1 phase conductor it provides the warning screen shown to the side and blocks the execution of the tests 4 f the instrument detects the absence of the signal to RCD 22 07 2013 14 32 terminal B4 neutral conductor it provides the warning screen shown to the side and blocks the execution of the Warning Missing N tests KB3 Ex zs 3 5 If the instrument detects the absence of the signal to 4 RCD 22 07 2013 14 32 a terminal B3 PE conductor it provides the warning Message Box screen shown to the side and blocks the execution of the Warning Missing PE tests KB EN s 4 Page 30 Naz MACROTOUCH amp COMBITOUCH 6 If the instrument detects that the phase and neutral leads RCD 22 07 2013 14 32 EN are inverted it does not carry out the test and a screen similar to the one reported to the side is displayed Warring reverse L N Rotate the shuko plug or check the connection of measuring cables E E g G Los oe bat RCD 22 07 2013 14 32 i inverted it does not carry out the test and a screen Message Box similar to the one reported to the side is displayed Check the connection of measuring cables 7 Ifthe instrument detects that the phas
105. nded Method for small sized earth networks Let a current stream between the earth network under test and an auxiliary rod placed at a distance equal to fivefold the diagonal of the area limiting the earth installation itself see Fig 39 Place the voltage probe at approximately half way between the earth rod and the current probe finally measure the voltage between them r P j N s 4 ae gt 2 PF es fi a Pee i P gt m i i a P A o r 2 5d 3 3l dd d 9 A ky v W 5d y Be x IN P fe gt e E E HUE e A 4 qe P A p 3 Er C A cur gifs ieu weacttsy Ini T MAX SV gt Sy Te 2 Gr n Ver AS gt SCk Negro Schwarz Noir Fig 39 Ground measurement for small sized earth networks If needed use multiple probes in parallel and wet the surrounding ground see Fig 39 if the instrument is not able to supply the current required to perform the test due to a high resistance of the ground Big sized earth networks Page 114 Naz MACROTOUCH amp COMBITOUCH This technique is always based on the voltammetric method and is used where it is difficult to position the auxiliary earth current rod at a distance equal to 5 times the diagonal of the area of the ground system by reducing this distance to once the diagonal of the ground system see Fig 40 To confirm that the voltage probe is located outside the zone of influence of the system under test
106. ne conductor It must however take precautions to avoid the risk of harmful physiological effects on people in contact with conductive parts simultaneously accessible in the case of a double earth fault Purpose of the test Verify that the impedance of the ground probe in which the mass are connected satisfyteh following relationship x Z I XU where Ze L PE impedance of the ground probe in which the mass are connected ld L PE current of first fault typically expressed in mA UL Limit contact voltage 25V or 50V Parts of the system to be checked The earth system under operating conditions The verification should be performed without disconnecting the ground probes Page 108 EN HT MACROTOUCH amp COMBITOUCH 12 9 VERIFY OF PROTECTION COORDINATION L L L N AND L PE Purpose of the test Test the coordination of protective devices typically MCB or fuse present in a Single phase or Three phase installation as a function of the limit time of fault extinction by the protection set by the user and the calculated value of the short circuit current Parts of the system to be checked The test must be performed at the point in which the minimum short circuit current is possible normally at the end of the line controlled by the protection device in the normal condition of the line The test must performed between Phase Phase in the Three phase installations and between Phase PE or Phase PE in the Single phase installation
107. ng to the following relationships derived from standard EN60909 0 L L B UN DC Od eam Cur gt BC gt Linx r n ux 7 Zu L N 2 Three phase systems Single phase systems where BC breaking capacity of protection device ZLL Impedance measured between phase and phase ZLN E Impedance measured between phase and neutral Measuedvoltage Um _ 230V 10 Vmeasured lt 230V 10 230V 230V 10 lt Vmeasured lt 400V 10 400V 10 lt Vmeasured lt 400V 10 400V Page 104 EN HT MACROTOUCH amp COMBITOUCH 12 6 VERIFY OF PROTECTION AGAINST INDIRECT CONTACTS IN TN SYSTEMS Purpose of the test The protection against indirect contacts in the TN systems must be guarantee by means a protection device against the overcurrents typically MCB or fuse which swich off the power supply of the circuit or the electrical equipment in case of fault between an active part and a ground mass or a protection conductor within a interval not exceeding at 5s sufficient for the equipments or in compliance with the times declared in the following table For USA and Norvay countries refer to the respective guidelines Uo V Trip out time of protection s 50 120 Oo OB O 120 230 230 400 Table 6 Tripping times for protection devices Uo nominal AC voltage refer to ground of the system The above conditions is satisfied by the following relationshisp Zs las Uo where Zs Fault Loop P PE impedance w
108. not disconnect the measuring leads of the instrument from the system under test In case of positive result minimum short circuit current interrupted by the protection device within the time indicated by the performed selections the screen to the side is displayed by the instrument Press the SAVE button or touch the Bt icon to save the measurement see 7 1 8 In case of negative result minimum short circuit current LOOP sv 22 07 2013 14 32 NOT interrupted by the protection device within the time indicated by the performed selections the screen to the side is displayed by the instrument Note the presence of the measurement result highlighted in red Press the SAVE button or touch the icon to save the measurement see 7 1 Page 45 AW HT MACROTOUCH amp COMBITOUCH 6 4 6 Mode 5Xna Verify of protection coordination Norvay country 1 Select the Norvay country see 5 1 2 the options Loop sw TN or IT 25 or 50V 50Hz or 60Hz and the reference voltage in the general settings of the instrument see S 5 1 4 Touch the lower first icon The following screen appears on the display 2 Move the left slide bar reference by selecting the E icon to execute the measurement only with the instrument or the pa icon to execute the measurement with the instrument optional accessory IMP57 see 6 4 10 Move the central slide bar reference by selecting the L L L N
109. oing back to the initial measurement screen 7 f possible disconnect all loads connected downstream of the measured point as the impedance of these users could distort the test results Connect the shuko plug the alligator clips or the remote lead to the electrical mains according to Fig 16 Fig 17 Fig 18 and Fig 20 in the farthest possible point respect the protection on test Note the presence of the correct voltage values between L L and L PE corresponding to the selections carried out in the initial phase see 5 1 4 as shown in the screen to the side 8 Press the GO STOP key or the START key on the remote lead During this whole stage do not disconnect the measuring leads of the instrument from the system under test In case of positive result minimum short circuit current interrupted by the protection device within the time indicated by the performed selections the screen to the side is displayed by the instrument Press the SAVE button or touch the ul icon to save the measurement see 7 1 9 In case of negative result minimum short circuit current NOT interrupted by the protection device within the time indicated by the performed selections the screen to the Isc side is displayed by the instrument Note the presence of the measurement result highlighted in red Press the SAVE button or touch the i icon to save the measurement see 7 1 Page 47 AW HT MACROTOUCH amp COMBITOUCH 6 4 7 V
110. one x zi shown to the side result 1 2 3 Press the SAVE button or touch the Bi icon to save the measurement see 7 1 9 At the end of the test if the two detected voltages are in phase phase concordance between two distinct three phase systems the instrument displays a screen like the one to the side result 1 1 10 At the end of the test if the detected phase sequence is not correct the instrument displays a screen like the one shown to the side result 2 1 3 Press the SAVE button or touch the Bi icon to save the measurement see 7 1 Page 59 AW HT MACROTOUCH amp COMBITOUCH 6 5 1 Anomalous situations 1 If between the test start and the acquisition of the first Lesea 22 07 2013 14 32 i voltage or between the acquisition of the first and second voltage a time longer than around 10s has elapsed the l Test time too lon instrument displays a screen like the one to the side 2 f the instrument detects an input voltage higher than the JSSEQ 22 07 2013 14 32 E maximum limit it will display a screen like the one to the e Message Box side Value out of range 3 If the instrument detects an input voltage frequency exceeding the allowed full scale it will display a screen like the one to the side Page 60 LW HT MACROTOUCH amp COMBITOUCH 6 6 LEAKAGE LEAKAGE CURRENT MEASUREMENT Using an external clamp this function allows measuring the leakage curren
111. ontact voltage EARTH test TT systems Range V Resolution V 0 99 9 0 5 0 lettura 3V Contact voltage EARTH test TN systems Range V Resolution V 0 99 9 0 5 0 rdg 3V 1 100 999 pt 086 5 0 rdg 3V Earth resistance MACROTOUCH enabled Range Q Resolution Q Accuracy 0 01 9 99 10 0 99 9 T n 100 999 mue v 1 00k 49 99k 0 01k Test current lt 10mA 77 5Hz Open circuit voltage lt 20Vrms If 100 Rmeas lt Rs or Rh lt 1000 Rmeas add 5 to te accuracy Accuracy not declared if Rs or Rh gt 1000 Rmis Ground resistivity MACROTOUCH enabled 5 reading 3 digits with distance between the probes d 10m Distance range 1 10m Test current lt 10mA 77 5Hz Open circuit voltage lt 20Vrms Phase rotation with 1 test lead Voltage range P N P PE V Frequency range 100 265 50Hz 60Hz 5 Measurement is only carried out by direct contact with metal live parts not on insulation sheath Voltage drop Range Resolution 0 100 10 rdg 4dat Leakage current input In1 STD clamp Range mA Resolution mA 5 0 rdg 2digits Environmental parameters 0 0 100 0 RH 0 1 RH Lux 2 tdg 2digits 0 001 0 02Lux Accuracy of the luxmetric probe according to Class AA Measurement of network parameters and harmonics Voltage Range V Resolution V Page 95 EN HT MACROTOUCH amp COMBITOUCH 15 0 459 9
112. or L PE options for TN systems only Move the right slide bar reference by selecting the n option Touch the second icon to set the protection type and its rated current The following screen appears on the display 3 Move the slide bar reference by selecting the type of protection Fuse of type gG or aM or magnetothermal MCB in curve B C K D Touch the In field The following screen appears on the display LOOP rwsov 01 12 2014 13 27 esl Touch the icon to zero the value in the In field and use the virtual keyboard to set the value of the RCD rated current within the values allowed by the instrument Confirm the choice by going back to the previous screen Touch the third icon to set the tripping time of the RCD The following screen appears on the display Page 46 AN HT MACROTOUCH amp COMBITOUCH 5 Move the slide bar reference by selecting the protection tripping time between the options 0 1s 0 2s 0 4s 5s Confirm the choice by going back to the initial measurement screen Touch the fourth icon to set the calculation coefficient of the short circuit current Isc The following screen appears on the display LOOP tw sov 01 12 2014 13 27 y Be Touch the icon to zero the value in the field and use the virtual keyboard to set the calculation coefficient of the short circuit current Isc within the values allowed by the instrument Confirm the choice by g
113. ote lead by inserting its multipolar connector into input lead B1 9 Press the GO STOP key on the instrument or the START key on the remote lead The instrument will start the measurement S RCD rr sov 22 07 2013 14 32 EX The screen to the side is shown on the display when the hourglass icon indicates the performance of the test 10 At the end of the test if the tripping current is lower to PJ RCD mso 22 07 2013 14 32 EM the set value the instrument displays the symbol to indicate the positive outcome of the test and displays a screen like the one to the side s Press the SAVE button or touch the Peal icon to save gt 326v 53 ms Rr the measurement see 7 1 v 4 at At the end of the test if the tripping current is higher to B RCD c 22 07 2013 14 32 E 1 the set value the instrument displays the symbol to indicate the negative outcome of the test and displays a screen like the one to the side Press the SAVE button or touch the Bi icon to save the measurement see 7 1 Page 29 AW HT MACROTOUCH amp COMBITOUCH 6 3 6 Anomalous situations 1 If the voltage between inputs B1 and B4 and inputs B1 p rcp 22 07 2013 14 2 EX and B3 is higher than 265V the instrument provides the Message Box warning screen shown to the side and blocks the f warning input voltage gt 265V execution of the tests G Loos ba 2 If the voltage between inputs B1 a
114. pecified in 10 4 1 Do not use in different environmental conditions The instrument may be used for measuring and verifying the safety of electrical systems Do not use on systems exceeding the limit values specified in 10 3 We recommend following the normal safety rules devised to protect the user against dangerous currents and the instrument against incorrect use Only the accessories supplied with the instrument guarantee compliance with safety standards They must be in good conditions and be replaced with identical models when necessary Make sure the batteries are correctly installed Before connecting the test leads to the circuit being measured check that the desired function has been selected 1 2 DURING USE Please carefully read the following recommendations and instructions Page 4 EN HT MACROTOUCH amp COMBITOUCH CAUTION Failure to comply with the caution notes and or instructions may damage the N instrument and or its components or be a source of danger for the operator e Before changing function disconnect the test leads from the circuit under test e When the instrument is connected to the circuit under test never touch any terminal even if unused e Avoid measuring resistance if external voltages are present Even if the instrument is protected excessive voltage could cause damage e While measuring current place the clamp jaws as far as possible from the conductors not involved in the measur
115. ping current the screen to the side Is displayed by the instrument which contains the contact voltage value in the secondary display Press the SAVE button or touch the Bt icon to save the measurement see 7 1 6 In case of negative result overall earth resistance higher LOOP sv 22 07 2013 14 32 than the ratio between limit contact voltage and RCD tripping current the screen to the side is displayed by the instrument Note the presence of the measurement result of the contact voltage highlighted in red Press the SAVE button or touch the Bi icon to save the measurement see 7 1 Page 52 Naz MACROTOUCH amp COMBITOUCH 6 4 10 Impedance measurement by means of the accessory IMP57 Impedance measurements performed with the optional accessory IMP57 involve its connection to the Master unit MACROTOUCH via optical connector through the optical cable RS 232 C2001 supplied with same accessory The IMP57 must be directly powered by the mains on which measurements are performed For detailed information please refer to the user manual of the accessory IMP57 Please find below the procedure for the measurement of STD L L impedance in TN systems The same procedures can be applied to any other case considering what is reported in previous chapters 1 Select the options TN 25 or 50V 50Hz or 60Hz and the reference voltage in the general settings of the instrument see S 5 1 4 9
116. ption Confirm the choice by going back to the previous screen If possible disconnect all loads connected downstream of the measuring point as the impedance of these users could distort the test results Connect the shuko plug the alligator clips or the remote lead to the electrical mains according to Fig 16 Fig 17 Fig 18 and Fig 20 Note the presence of the correct voltage values between f LOOP ss 22 07 2013 14 32 L N and L PE corresponding to the selections carried out in the initial phase see S 5 1 4 as shown in the screen to the side Press the GO STOP key or the START key on the remote lead During this whole stage do not disconnect the measuring leads of the instrument from the system under test The following screen appears on the instrument s display Page 37 Naz MACROTOUCH amp COMBITOUCH 6 The value of the assumed short circuit current Isc is shown in the upper part of the display while the Line Loop ZrE impedance is shown at the bottom of the display Press the SAVE button or touch the Di icon to save the measurement see 7 1 The Standard Std assumed short circuit current Isc is calculated using the following formula I U wow SC Z MEAS ZMEAs measured L L L N L PE loop impedance Unom nominal voltage depend on the system Page 38 AN HT MACROTOUCH amp COMBITOUCH 6 4 3 Mode kA Verify of breaking capacity of protection device 1 Select the
117. r each selected function F1 F2 F3 F4 Function keys corresponding to the activation of the four icons on the dam db bottom of the screen as an alternative to direct touch on the display 4 4 DISPLAY DESCRIPTION The display is an LCD 320x240pxl TFT color display with capacitive touch screen whose icon structure can be directly selected with a simple touch The first line of the display indicates the type of active measurement the date time and Continuity insulation GE the battery charge indication EN oe Phase Seq Leakage 4 5 INITIAL SCREEN When switching on the instrument the initial screen appears for a few seconds It shows gt The HT manufacturer s logo gt The instrument model gt The Firmware version of the two instrument s internal MACROTEST si microprocessors Fw and Fw2 LCD 1 13 CPU 1 13 SN 13040032 gt gt The serial number SN of the instrument HEC edad The date of instrument calibration Calibration date After a few seconds the instrument switches to the general menu Page 10 AW HT MACROTOUCH amp COMBITOUCH 5 GENERAL MENU Pressing the ENTER key in any condition of the instrument allows to go back to the general menu in which internal parameters may be set the saved measures can be displayed and the desired measuring function may be selected ej E Phase Seq Leakage Fig 5 General menu of the instrument Touch the icon to move to the following pag
118. rement 350v 2 Press the SAVE button or touch the ua icon to save auro ca ican the measurement see 7 1 Page 20 LW HT MACROTOUCH amp COMBITOUCH 6 2 1 Anomalous situations 1 Ifthe instrument measures a resistance higher than the set limit value but for which it is not able to generate the rated voltage the screen to the side is displayed The 1 symbol is shown on the display and the values of the real test voltage are indicated in red 2 Ifthe instrument detects a voltage value higher than 10V vo 22 07 2013 14 32 at its terminals it does not carry out the test gives out a Q MessageBox long sound and the screen reported here to the side is Warning an external voltage displayed has been detected at instrument input Page 21 EN HT MACROTOUCH amp COMBITOUCH 6 3 RCD TEST ON DIFFERENTIAL SWITCHES This function is performed in compliance with standard IEC EN61557 6 and allows measuring the tripping time and current of molded case differential switches of type A AA AC v and B being General G Selective S and Delayed The instrument allows performing tests on earth leakage relay RCDs with currents up to 10A with optional accessory RCDX10 CAUTION N some combinations of test parameters can be not available in compliance with the technical specification of the instrument and the RCD tables see 10 1 the empty cells of RCD tables means not available situations
119. ress the GO STOP key on the instrument or the START key on the remote lead The instrument will start the measurement CAUTION During this whole stage do not disconnect the test leads of the instrument from the conductor under test It could remain charged with a dangerous voltage due to the stray capacitances in the circuit being tested 8 Regardless of the operating mode selected at the end of the measurement the instrument applies a resistance to the output leads to discharge the capacitances in the circuit 3 n mode gt The final result is the minimum insulation value measured during the test Pressing a second time the GO STOP key or the START key on the remote lead stops the test before the set time has elapsed 10 The measurement result is shown both as a numeric 22 07 2013 14 32 EN value and in the analog bar graph as shown in the screen TE 100k 1M 10M 100M iG Pp to the side The values of the real test voltage and the LED measurement time are present on the display 192 Mn The symbol indicates the positive result of the ET measurement Press the SAVE button or touch the eel icon to save the measurement see 7 1 11 At the end of the test if the value of the measured 22 07 2013 14 32 E resistance is lower than the set limit the screen to the TX 100k 1M E 0M 16 side is shown on the display a mm The value is shown in red and the symbol indicates MO the negative result of the measu
120. ress the SAVE button or touch the eal icon to save El Ri 1370 os Zal the measurement see 7 1 f T ods resistance measurement with clamp T2100 used in an independent wa Turn the clamp T2100 on perform the measurements on each rod of the earth network considered by saving the results in its internal memory see the user manual of clamp T2100 At the end of the measurement connect the clamp 12100 to the instrument by inserting the connector into input In1 and put it in RS232 mode see the user manual of clamp T2100 The 2386 symbol appears on the display of the clamp Touch the C icon Any data stored in the memory of the clamp is downloaded in the instrument and slides in sequence on the display At the end of the operation the symbol disappears from the display With the clamp connected to the instrument is possible to perform and add other measurements according to the actions described in the previous point 4 Press the GO STOP key on the instrument and observe the positive or negative results of the measurement as shown in points 6 and 7 of the previous mode Page 74 Naz MACROTOUCH amp COMBITOUCH 6 7 4 Anomalous situations in 3 wire and 2 wire earth measurements 1 When starting a measurement if the instrument detects ee an interfering voltage higher than 10V at the volt and ampere circuits input it does not perform the test and an external voltage has displays the screen to the side been det
121. ressing the ON OFF key 2 Connect the instrument to the PC via the optical cable USB 22 05 2014 14 32 i 2m Touch the amp z icon in the general menu The screen to the side is shown by the instrument Disable the WiFI connection touch the icon in the top right side of the display The symbol AS appear at display In these conditions the instrument is able to communicate with the PC via USB port 4 Use the management software to download the instrument memory contents to a PC Please refer to the online help of the program itself for any detail regarding the operation Touch the pid icon to go back to the general menu of the instrument Connecting to a PC through WiFi 1 Enable the WiFi connection on the target PC ex by using a WiFi key installed and connected to a USB port 2 Put the instrument in data transfer mode to a PC see 8 point 3 Enable the WiFi connection touch the icon in ER yy the top right side of the display The symbol appear at display In these conditions the instrument is able to communicate with the PC via WiFi connectiont 3 Launch the management software select the WiFi port and Detect instrument within the section PC Instrument connection 4 Use the management software to download the instrument memory contents to a PC Please refer to the online help of the program itself for any detail regarding the operation 8 1 CONNECTION TO IOS ANDROID DEVICES THROUGH
122. s on the display 3 Move the left slide bar reference by selecting the RCD LOOP sv 22 07 2013 14 32 tripping time between the values 10 30 100 300 500 650 1000mA Move the right slide bar reference by selecting the connection type between the options L N PE presence of neutral conductor or LPE absence of neutral conductor Confirm the choices by going back to the initial measurement screen 4 f possible disconnect all loads connected downstream f LOOP sv of the measured point as the impedance of these users could distort the test results Connect the shuko plug the alligator clips or the remote lead to the electrical mains according to Fig 10 Fig 11 and Fig 12 The connection point of the instrument near or far from the protection is usually irrelevant to the test as the resistance of the wires is negligible compared to the value of earth resistance Note the presence of the correct voltage values between L L and L PE corresponding to the selections carried out in the initial phase see 5 1 4 as shown in the screen to the side Page 51 Naz MACROTOUCH amp COMBITOUCH 5 Press the GO STOP key or the START key on the LooP sv 22 07 2013 14 32 E remote lead During this whole stage do not disconnect the measuring leads of the instrument from the system under test In case of positive result overall earth resistance lower than the ratio between limit contact voltage and RCD trip
123. s so that no gluing effect jeopardizes the operation of the device if it has remained unused for a long time This test is only performed to ascertain the mechanical functionality of the device and it is not sufficient to declare the devices conformity to the standard regarding differential current devices According to statistics switch verification through test key if performed once a month reduces to a half the devices malfunction rate However this test only detects 2496 of the defective differential switches Parts of the system to be checked All differential switches must be tested upon installation In low voltage systems it is advisable to perform this test fundamental in order to guarantee a correct safety level In medical rooms this test must be performed periodically on all differential switches as prescribed by the guidelines Allowable values On each molded type RCD two tests must be performed on each differential switch a test with a leakage current beginning in phase with the positive half wave of voltage 0 and a test with a leakage current beginning in phase with the negative half wave of voltage 180 The result to be considered is the higher one The test with sln must not cause the differential switch tripping RCD type IdNx1 IdNx2 IdNx5 Table 5 Tripping times for general and selective differential switches Measurement of tripping current for protection differential switches gt This test aims
124. see 109 12 10 Verify of the protection against short circuits Test l2t eeeseeeessesssssssss 111 12 11 Verification of voltage drop on main MINES cecceceeccesecseesenseeseusesseeseseeseusensessesensess 112 12 12 Measurement of earth resistance in TN systems ccccceccceeeceeeseeeseeeneeeneeeneeeneeenes 112 12 12 1 Measurement of earth impedance by voltammetric method seeessusesss 113 12 12 2 Ground resistivity measurement essssessssssssssseeseeeenn nennen nnne nens nnne nns 116 12 13 Voltage and current Harmonics sesssssssssssseseeeee nennen nennen nnn nnns 118 12 13 1 Limit values for harmonics lsseesssssssssesssseeee nennen nennen nennen nnns narra nnns 118 12 13 2 Presence of harmonics CAUSES ccccccseseeeceeseeeccaseecceuseecceaeeecsaeeecseeeeessageeessanseesseass 119 12 13 3 Presence of harmonics consequences ssssssssssssssseseeeesee nenne enne nnne nnn nnns 120 12 14 Calculation of powers and power factors cccceececeeeecceeeeceeeeeeeeeesaueeeseeeeseeessaeeesaaees 121 Page 3 1 EN HT MACROTOUCH amp COMBITOUCH PRECAUTIONS AND SAFETY MEASURES The MACROTOUCH and COMBITOUCH have been designed in compliance with Directives IEC EN61557 and IEC EN61010 relevant to electronic measuring instruments Before and after carrying out the measurements
125. shown in Fig 30 Note the value of the resistance in the RI field and press the Eu icon to insert this value in the calculation of parallel resistance and increase the NU parameter by one unit NU 1 Page 73 AN HT MACROTOUCH amp COMBITOUCH 5 After the insertion of the value of the first rod it will be not possible to transfer the eventually H 1 measrements saved inside the T2100 by means the key Perform the same procedure for each rod of the network in question At the end of the measurements press the GO STOP key on the instrument The following screen appears on the display The Ra field shows the value of the resistances in fe EARTH twsov 22 07 2013 14 22 parallel performed on each rod of the earth network considered This value is compared with the maximum limit value calculated by the instrument according to the selections made on the parameters of the protections In case of positive result see 12 7 and S 12 11 the 0 we instrument shows the symbol and it is also possible to scroll through the values of partial resistances by touching the keys Lu and x Press the SAVE button or touch the uz icon to save the measurement see 7 1 In case of negative result see 12 7 and 12 11 the ff EARTH msov 22072013 14 32 instrument shows the y symbol and the result value Ra 4 16 6Q appears in red like in the screen to the side ett csv Ni 23 1l P
126. so appair in case of an insufficient pressure of the GO STOP key Warning Voltage on PE ENZ 24 02 2014 14 32 i Message Box Warning Voltage Vnpe gt 50V 9 If the instrument detects a voltage VN PE gt 50V or gt 25V depending on the selection it does not carry out the test and displays a screen like the one to the side 10 If during the measurement the instruments detects an d AV 24 02 2014 14 32 E end of line impedance value lower than the initial line Message Box impedance value it does not carry out the test and a The ond line impedance can t screen similar to the one reported to the side iS pe lower than the start line Page 83 AW HT MACROTOUCH amp COMBITOUCH 6 10 PQA REAL TIME MEASUREMENT OF MAIN PARAMETERS This feature allows to performing real time measurements of voltage current with optional transducer clamp powers power factors and harmonic analysis on Single phase and Three phase balanced systems A P MN PE T 20 dni e n A CAT Ill 240V INPUT MAX 415V INPUT MAX Ve um Q O eu9 B4 7 B3 Nero Black Negro Schwarz Noir Blu Blue Azul Blau Bleu Fig 34 Connection for measurement on Single phase installations L 2 ER JB j A M Int AN CAT Ml 240V INPUT MAX 415V INPUT MAX SV N uumyuuuuuuuuuhuuH EEEEEEHEEEHEEHEEN E O 0 8 Jre RI B3 B BT ANY Nero Black Negro Schwarz Noir B
127. stance We cannot assume a priori a reference limit value for earth resistance as a reference when checking the measurements result It is necessary to check each time that the coordination prescribed by the standard is met Parts of the system to be checked Earth installation in operating conditions The test must be performed without disconnecting the earth rods Allowable values The value of earth resistance however measured must satisfy the following relation Ra lt 50 la where Ra resistance measured of earth installation whose value can be determined with the following measurements e hree wire earth resistance with voltammetric method e Impedance of the fault ring Earth resistance with two wires Earth resistance with two wires in socket Earth resistance obtained by the measurement of contact voltage Ut Earth resistance obtained by the tripping time test of the RCDs A AC B RCD S A AC la tripping current of the automatic RCD or rated tripping current of the RCD in case of RCD S 2 IdN in ampere 50 safety limit voltage reduced down to 25V in special environments Ifthe system protection is obtained through a differential switch the measurement must be performed upstream of this switch or downstream of it by short circuiting the switch in order to prevent it from tripping These methods although not currently foreseen by guidelines provide values that have been proven indicati
128. stance and the comparison of the results with limit values The standards simply require that the instrument in use warns the operator if the test was not carried out with a current of at least 200mA and an open circuit voltage ranging from 4 to 24V The resistance values may be calculated according to the sections and lengths of the conductors under test In general if the instrument detects values of some ohms the test may be considered as successful 12 2 INSULATION RESISTANCE Purpose of the test Page 99 EN HT MACROTOUCH amp COMBITOUCH Check that the insulation resistance of the installation complies with the requirements of the applicable guidelines This test has to be performed with the circuit being tested not powered and with the possible loads it supplies disconnected Parts of the system to be checked Check that the insulation resistance between e Each active conductor and the earth the neutral conductor is considered as an active conductor except in TN C power supply systems where it is considered as part of the earthing PEN During this measurement all active conductors may be connected to each other Should the measurement result not to be within the limits prescribed by the standards the test must be repeated separately for each single conductor e The active conductors The guidelines recommends also checking the insulation between active conductors when this is possible Allowable values The values of the m
129. strument or due to its use together with non compatible appliances e Repairs that may become necessary as a consequence of improper packaging e Repairs which may become necessary as a consequence of interventions performed by unauthorized personnel e Modifications to the instrument performed without the manufacturers explicit authorization e Use not provided for in the instruments specifications or in the instruction manual The content of this manual cannot be reproduced in any form without the manufacturer s authorization Our products are patented and our trademarks are registered The manufacturer reserves the right to make changes in the specifications and prices if this is due to improvements in technology 11 2 SERVICE If the instrument does not operate properly before contacting the After sales Service please check the conditions of batteries and cables and replace them if necessary Should the instrument still operate improperly check that the product is operated according to the instructions given in this manual Should the instrument be returned to the After sales Service or to a Dealer transport will be at the Customer s charge However shipment will be agreed in advance A report will always be enclosed to a shipment stating the reasons for the products return Only use original packaging for shipment any damage due to the use of non original packaging material will be charged to the Customer 12 THEORETICAL
130. sulating sheath The following operating modes are available 1T one lead measurement 2T two leads measurement Black Negro Nero Noir mm Schwarz AN CAT I 2400 INPUT Max 45V INPUT MAX SY j Q Q AN CAT I 240V 3 INPUT MAX 415V INPUT MAX 5V Black Negro 775 Nero Noir N u Schwarz AN CATI 240V INPUT MAX 415V INPUT MAX SV gt T11L1 NM E RHEI I TL2 Inl L2 i o 83 ah AX CATIN 240V INPUT MAX 415V INPUT MAX SVM w if L3 LE L3 eo o 1 B ee Ta I EN B4 CBS B1 Ine 4L RE a LC le dk IRE Blu Blue Azul Blau Bleu Blu Blue Azul Blau Bleu Fig 23 Phase sequence check of 2T phases with terminal and remote lead Ex Touch the ES icon The screen to the side appears on the display Touch the 1T icon to set the measuring mode The following screen appears on the display 2 Move the slide bar reference in the position 1T for the selection of the test with 1 terminal or in the position 2T for the selection of the test with 2 terminals Confirm the choice by going back to the following initial measurement screen Page 57 Q Press the GO STOP key on the instrument or the Once the correct voltage recognized the Ld symbol is At the end of phase L1 acquisition the instrument is in The symbol for the tip on phase L2 and the hourglass Naz MACROTOUCH amp COMBITOUCH Insert the blue and black connectors of the single cables in the corresponding input termi
131. t by means of the optional accessory HT96U Fig 25 Direct measurement of leakage current in three phase systems Por S LEAKAGE 22 07 2013 14 32 E Touch the S icon The screen to the side appears on the display Touch the icon tn the lower left corner to set the full scale of the clamp used The following screen appears on the display Touch the 9 icon to zero the value in the In field and use the virtual keyboard to set the full scale value of the clamp used values of 1A 100A 1000A for the HT96U clamp Confirm the choice by going back to the previous screen With FS 1A the instrument automatically carries out the measurement in mA 3 Insert the external clamp into instrument input In1 4 For indirect measurements of leakage current connect the external clamp according to Fig 24 For direct measurements of leakage current connect the clamp according to Fig 25 and disconnect possible additional earth connections that could influence the test results Page 61 EN HT MACROTOUCH amp COMBITOUCH CAUTION Possible additional earth connections could influence the measured value In case of real difficulty in removing them we recommend performing the measurement in an indirect way 5 The value of the measured leakage current appears in f LEAKAGE 22 07 2013 14 32 real time on the display as shown in the screen to the side Press the SAVE button or touch the ec icon to save the me
132. the screen to the z EARTH twsov 22 07 2013 14 32 side is shown by the instrument It contains the value of a o expressed in Om and the Vn value of the possible cache voltage measured by the instrument during the test Press the SAVE button or touch the Di icon to save the measurement see 7 1 Page 68 Naz MACROTOUCH amp COMBITOUCH 6 7 2 3 wire or 2 wire earth measure USA Extra Europe and Germany countries 1 Select the USA Extra Europe or Germany reference countries see S 5 1 2 Select the options TN TT measurement not available for USA country or IT measurement not available for USA country 25 or 50V 50Hz or 60Hz and the reference voltage in the general settings of the instrument see S om 5 1 4 Touch the S icon The screen to the side TT and IT systems is shown on the display The instrument automatically carries out the test in presence of voltage between the inputs shown on the display and blocks the test in case of voltage higher than 10V Touch the first icon in the lower left corner to set the measuring mode The following screen appears on the display 2 Move the slide bar reference in the position Ra for the Ez EARTH sw 22 07 2013 14 32 selection of the earth measurement with voltammetric method in the position for the resistance measurement with use of optional clamp T2100 see S 6 7 3 or in the p position for the measur
133. ue see Fig 38 depends on Protection type curve Rated current of the protection device gt Time of fault extinction by the protection a t s 10000 5000 LJ 4 be B type 3 SIn 7t irismenari C type 5 10In a F bien ti D type 10 14In 0 1 EE 0 05 0 02 0 01 ee 0 005 HH cin 0 002 Trt T TTTTTI 0 001 05123457 10 2030 50 70100200 IK Fig 38 Example of curves relative to magnetothermal MCB protection The instrument allows the selection of the following parameters Vv Y NN NN V WV MCB current B curve selectable among values 6 10 13 15 16 20 25 32 40 50 63A MCB current C K curves selectable among values 0 5 1 1 6 2 4 6 10 13 15 16 20 25 32 40 50 63A MCB current D curve selectable among values 0 5 1 1 6 2 4 6 10 13 15 16 20 25 32A Nominal current Fuse gG selectable among values 2 4 6 8 10 12 13 16 20 25 32 40 50 63 80 100 125 160 200 250 315 400 500 630 800 1000 1250A Nominal current Fuse aM selectable among values 2 4 6 8 10 12 16 20 25 32 40 50 63 80 100 125 160 200 250 315 400 500 630A Time of fault extinction by the protection selectable among 0 1s 0 2s 0 4s 5s Page 106 EN HT MACROTOUCH amp COMBITOUCH 12 7 VERIFY OF PROTECTION AGAINST INDIRECT CONTACTS IN TT SYSTEMS Purpose of the test Checking that the protection device is coordinated with the value of earth resi
134. ue of the first fault current measured expressed in mA see 12 8 With Isc 30mA the Ut value is not mdisplayed Press the SAVE button or touch the t icon to save the measurement see 7 1 In case of negative result contact voltage at the point gt 50V or gt 25V the screen to the side is displayed by the instrument Note the presence of the measurement result of the contact voltage highlighted in red Press the SAVE button or touch the ud icon to save the measurement see 7 1 Select the options TT 25 or 50V 50Hz or 60Hz and the reference voltage in the general settings of the instrument see 5 1 4 Touch the amp the display icon The screen to the side appears on Touch the lower icon on the left The following screen appears on the display Page 50 LOOP 50v LOOP ir sov LOOP 50v LOOP rr sov MACROTOUCH amp COMBITOUCH 22 07 2013 14 32 22 07 2013 14 32 nd Wi 22 07 2013 14 32 P 22 07 2013 14 32 EX AN HT MACROTOUCH amp COMBITOUCH 2 Move the left slide bar reference by selecting the E icon E 109P m 22 07 2013 14 32 to execute the measurement Move the middle slide bar reference by selecting the Rat option The right slide bar reference is automatically set in position Confirm the choice by going back to the initial measurement screen Touch the lower icon on the right The following screen appear
135. uits connected in parallel with the item to be tested or by transient currents The following operating modes are available 04 Compensation of the resistance of the cables used for measurement The instrument automatically subtracts the value of cable resistance from the measured resistance value Therefore it is necessary that this value is measured each time the measuring cables are changed or extended AUTO The instrument carries out two measurements with inverted polarity and displays their average value Recommended mode v The instrument carries out the measurement with the possibility of setting a duration time for testing The operator may set a sufficiently long measuring time between 1s and 99s to be able to move the protective conductors while the instrument is carrying out the test in order to find out a possible bad connection CAUTION Continuity test is carried out by supplying a current higher than 200mA in case the resistance does not exceed ca 2Q including resistance of the test cables For higher resistance values the instrument carries out the test with a current lower than 200mA BOILER m Black mas Int i 1 Black a tA cai 240v INPUTMAX4T8V INPUTMAXSVS Nero Fig 6 Continuity test by means of single cables and remote lead Page 14 AW HT MACROTOUCH amp COMBITOUCH 22 07 2013 14 32 EX GO Touch the EJ icon The screen to the side appears on th
136. umber ain gt Internal version of Firmare and Hardware for the Hw 4 00 accessories IMP57 and T2100 these informations are Calibration dato 21 05 2014 available only after the connection to the instrument Lastcalibration date Touch the icon E3 The display shows the screen on the right with the QR code of HTAnalysis APP see 8 1 in IOS systems This code permits an easy access to the Apple Store to download the APP Tus IA Touche the icon to exit and return to the general rome omm menu Page 13 EN HT MACROTOUCH amp COMBITOUCH 6 OPERATING INSTRUCTIONS 6 1 LOWQ CONTINUITY OF PROTECTIVE CONDUCTORS This function is performed in compliance with standards IEC EN61557 4 and allows measuring the resistance of protective and equipotential conductors CAUTION e The instrument can be used for measurements on installations with overvoltage category CAT III 240V to earth and CAT III 415V between inputs Category CAT Ill is suitable for measurements carried out on installations inside buildings with low voltage examples are distribution boards wirings switches fixed installation Sockets electric motors industrial equipment e We recommend holding the alligator clip respecting the safety area created by the hand protection see S 4 2 e Check that no voltage is present at the ends of the item to be tested before carrying out a continuity test e The results may be influenced by the presence of auxiliary circ
137. unction is performed in compliance with standard IEC EN61557 3 and allows measuring the line impedance the fault loop impedance and the prospective short circuit current CAUTION N Depending on the selected electrical system TT TN or IT some kind of connection and function modes are disabled by the instruments see Table 3 The following operating modes are available L N Standard STD measurement of the line impedance between the phase conductor and the neutral conductor and calculation of the assumed phase to neutral short circuit current This measurement is carried out even with high resolution 0 1m 2 through the optional accessory IMP57 L L Standard STD measurement of the line impedance between the two phase conductors and calculation of the assumed phase to phase short circuit current This measurement is carried out even with high resolution 0 1m 2 through the optional accessory IMP57 L PE Standard STD measurement of the fault loop impedance between the phase conductor and the earth conductor and calculation of the assumed phase to earth short circuit current This measurement is carried out even with high resolution 0 1mQ through the optional accessory IMP57 Ra Global earth resistance without causing the differential protections tripping in systems with and without neutral see S 12 11 CAUTION The measurement of line impedance or fault loop impedance involves the circulation of a maximum current accord
138. urement ms Resolution 1ms Accuracy 2 0 reading 2digits Measurement duration of Molded case type RCD tripping time IT systems x 1 2 x 1 x2 x5 AUTO ail G s le s MIG s Ola s Mesle sY AC 999 999 9991999 999 999 200 250 50 150 v v 310 A B AC 999 999 9991999 999 999 200 250 50 150 v v 310 A B AC 999 999 999 999 999 999 200 250 50 150 vov 310 B m TT Lo p o lo 1000mA A B Table with duration of tripping time measurement ms Resolution 1ms Accuracy 2 0 reading 2digits Test on RCD without integral current breaking device with accessory RCDX10 Differential protection type RCD AC A an B z Generali G Selettivi S e Ritardati Voltage range Phase Earth Phase Neutral 100V 265V RCD type AC and A 190V 265V RCD type B Rated tripping currents IAN 0 3A 10A Page 93 EN HT MACROTOUCH amp COMBITOUCH Frequency 50 60Hz 5 RCD without integral current breaking device tripping current al for General RCD only RCD type AN Range IAn mA Resolution mA AC A B 300mA lt IAN lt 10A 0 3 1 1 lan 0 5 lan Duration of RCD without integral current breaking device tripping time TT TN systems x 1 2 X 1 x2 x5 AUTO G s Dle s MIG s Ola s Ola s jo s 9 AC 999 999 9991999 999 999 200 250 50 150 V y 310 A 999 999 999 999 999 9991200 250 50 150 V y 310 B 999 999 999 999 999 999 310 AC 999 999 9991999 999 999 200 250 50 150 Y 310 A 999 999 999 999 99
139. value of the ground in order to define the type of rods to be used when designing the installation For the measurement of resistivity there are no correct or incorrect values The various values obtained using distances between increasing d rods should be reported in a graph from which according to the curve obtained it is possible to determine the type of rods to use As the test result can be affected by metal parts buried such as pipes cables or other rods etc it is advisable to take a second measurement positioning the rods at an equal distance d but rotating their axis by 90 see Fig 41 Blu Blue Azul Blau Bleu Verde Green Vert Gr n Rosso Red Rojo Rouge Rot Nero Black Negro Nor Schwarz Nero Black Negro Noir Schwarz I s s Rosso Red Rojo Rot Rouge Verde Green Vert Gr n Blu Blue Azul Blau Bleu f e oO Q 4 L4 gt Fig 41 Ground resistivity measurement The resistivity value is given by the following relation pe 2 x d R where pE specific ground resistivity d distance between the probes m R resistance measured by the instrument Q The measuring method allows defining the specific resistivity of a ground layer up to the depth corresponding approximately to the distance d between the two rods If you increase the distance d you can reach deeper ground layers and check the ground homogeneity After several measurements you can trace a profile according to which the most suitable rod is
140. ve of the earth resistance by numerous comparisons with the three wire method EXAMPLE OF EARTH RESISTANCE CHECK oystem protected by a 30mA differential switch Letus measure the earth resistance by using one of the above mentioned methods gt In order to understand if the system resistance is to be considered as compliant with the standards we need to multiply the value found by 0 03A 30mA f the result is lower than 50V or 25V for special environments the system can be considered as coordinated as it satisfies the relationship indicated above When dealing with 30mA differential switches as in almost all civil systems the maximum allowable earth resistance is 50 0 03 1666Q This enables using also the indicated simplified methods which although they do not provide an extremely precise value provide a sufficiently approximated value for coordination calculation Page 107 EN HT MACROTOUCH amp COMBITOUCH 12 8 VERIFY OF PROTECTION AGAINST INDIRECT CONTACTS IN IT SYSTEMS In IT systems the active parts must be isolated from the ground or be connected to earth through an impedance of sufficiently high value In the case of a single earth fault current of the first fault is weak and therefore it is not necessary to interrupt the circuit This connection can be made to the neutral point of the system or to an artificial neutral point If there is no neutral point can be connected to earth through an impedance of a li
141. ype STD if the tripping time of a test does not comply with what is 1 indicated in Table 5the instrument shows the symbol to signal that the test has not been completed successfully and displays a screen similar to the one reported here to the side Press the SAVE button or touch the ul icon to save the measurement see 7 1 6 3 3 Mode x1 Test on RCDs with delay time 9 At the end of the test if the measured tripping time is RCD v 22 07 2013 14 32 E within the interval limit delay set delay time value indicated in Table 5 the instrument displays the symbol to indicate the positive outcome of the test and displays a screen like the one to the side Press the SAVE button or touch the Di icon to save the measurement see 7 1 10 At the end of the test if the measured tripping time is JRCD rv 22 07 2013 14 32 M external the interval limit delay set delay time value indicated in Table 5 the instrument displays the symbol to indicate the negative outcome of the test and displays a screen like the one to the side Press the SAVE button or touch the Bt icon to save the measurement see 7 1 Page 27 AW HT MACROTOUCH amp COMBITOUCH 6 3 4 Mode wl The standard defines for molded case type STD the tripping times for RCDs at nominal current The all mode is used to detect the minimum tripping current which could also be lower than the nominal voltage 9 Press the GO

Manual - Amazon Web Services

Contents

Download Pdf Manuals

Related Search

Related Contents