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MI 3102(H) BT

Eurotest

Measurements

5.8.1 Standard earthing resistance measurement

Connections for earth resistance measurement

Figure 5.36: Resistance to earth, measurement of main installation earthing

Figure 5.37: Resistance to earth, measurement of a lighting protection system

Figure 5.38: Example of earth resistance measurement result

Displayed results for earth resistance measurement:

.............. earth resistance

............ resistance of S (potential) probe

............ resistance of H (current) probe

Содержание EurotestXE

Страница 1: ...EurotestXE MI 3102H BT MI 3102 BT Instruction manual Version 1 3 Code no 20 752 130...

Страница 2: ...ur equipment certifies that it meets requirements of all subjected EU regulations 2018 METREL The trade names Metrel Smartec Eurotest Autosequence are trademarks registered or pending in Europe and ot...

Страница 3: ...d warnings 21 4 1 6 Help screens 22 4 1 7 Backlight and contrast adjustments 22 4 2 Function selection 23 4 3 Instruments main menu 24 4 4 Settings 24 4 4 1 Memory 25 4 4 2 Language 25 4 4 3 Date and...

Страница 4: ...74 7 Data handling 79 7 1 Memory organization 79 7 2 Data structures 79 7 3 Storing test results 80 7 4 Recalling test results 81 7 5 Clearing stored data 82 7 5 1 Clearing complete memory content 82...

Страница 5: ...0 9 1 Phase rotation 98 10 9 2 Voltage 98 10 9 3 Frequency 98 10 9 4 Online terminal voltage monitor 98 10 10 TRMS Clamp current 99 10 11 Power tests 100 10 12 First fault leakage current ISFL MI 3102...

Страница 6: ...resistance tests Current measurements Power and harmonics measurements Illumination First fault current MI 3102 BT only Testing of insulation monitoring devices IMD MI 3102 BT only and Pre defined aut...

Страница 7: ...n this manual in order to replace it Use only fuses that are specified Do not use the instrument in AC supply systems with voltages higher than 550 Va c Service repairs or adjustment of instruments an...

Страница 8: ...all measurements immediately and ensure the cause of the fault is eliminated before proceeding with any activity Notes related to measurement functions General The indicator means that the selected me...

Страница 9: ...but offers much better accuracy of fault loop resistance in comparison to the RL sub result in Contact voltage function RCD trip out time and RCD trip out current measurements will only be performed i...

Страница 10: ...loor while carrying out the test otherwise test result may be wrong PE conductor resistance The specified accuracy of tested parameters is valid only if the mains voltage is stable during the measurem...

Страница 11: ...urn off the instrument Ensure that the battery cells are inserted correctly otherwise the instrument will not operate and the batteries could be discharged Do not recharge alkaline battery cells Use o...

Страница 12: ...The effects described above should not be confused with the normal decrease of battery capacity over time Battery also loses some capacity when it is repeatedly charged discharged This information is...

Страница 13: ...istribution systems up to 1000 VAC and 1500 VAC Equipment for testing measuring or monitoring of protective measures Part 1 General requirements Part 2 Insulation resistance Part 3 Loop resistance Par...

Страница 14: ...selected function 7 Backlight Contrast Changes backlight level and contrast 8 ON OFF Switches the instrument power on or off The instrument automatically turns off 15 minutes after the last key was pr...

Страница 15: ...5 C1 Current clamp measuring input 6 PS 2 connector Communication with PC serial port Connection to optional measuring adapters Connection to barcode RFID reader Warnings Maximum allowed voltage betwe...

Страница 16: ...ry fuse compartment cover 2 Back panel information label 3 Fixing screws for battery fuse compartment cover Figure 3 4 Battery and fuse compartment Legend 1 Fuse F1 M 315 mA 250 V 2 Fuses F2 and F3 F...

Страница 17: ...S S C N R 0 1999 I 0 A kA L N L PSC 17 20 1 4 Nominal voltage 100V 440V 15Hz 500Hz Line impedance EN 61557 3 Fault loop EN 61557 3 R 0 1999 I 0 A kA PFC 14 1 4 Nominal voltage 100V 264V 15Hz 500Hz im...

Страница 18: ...placed in soft carrying bag test cable connected to the instrument through the front aperture 3 5 Instrument set and accessories 3 5 1 Standard set MI 3102H BT EurotestXE Instrument Soft carrying bag...

Страница 19: ...s Set of carrying straps RS232 PS 2 cable USB cable Set of Ni MH battery cells Power supply adapter CD with instruction manual Guide for testing and verification of low voltage installations handbook...

Страница 20: ...rminals L and N 2 5 kV Insulation measurement terminal screen MI 3102H BT only 4 1 2 Battery indication The battery indication indicates the charge condition of battery and connection of external char...

Страница 21: ...ontinuity measurement is not compensated Test leads resistance in Continuity measurement is compensated High resistance to earth of test probes Results may be impaired Too small current for declared a...

Страница 22: ...ects next previous help screen ESC HELP Function selector Exits help menu Figure 4 1 Examples of help screens 4 1 7 Backlight and contrast adjustments With the BACKLIGHT key backlight and contrast can...

Страница 23: ...s measured results recalls stored results ESC Exits back to main menu Keys in test parameter field UP DOWN Changes the selected parameter TAB Selects the next measuring parameter Function selector Tog...

Страница 24: ...rs selected option 4 4 Settings Different instrument options can be set in the SETTINGS menu Options are recalling and clearing stored results selection of language setting the date and time setting e...

Страница 25: ...igure 4 6 Language selection Keys UP DOWN Selects language TEST Confirms selected language and exits to settings menu ESC Exits back to settings menu Function selector Exits back to main menu without...

Страница 26: ...menu Function selector Exits back to main menu without changes Maximum RCD disconnection times differ in various standards The trip out times defined in individual standards are listed below Trip out...

Страница 27: ...N RCD shall not trip out Test current and measurement accuracy correspond to AS NZS 3017 requirements Maximum test times related to selected test current for general non delayed RCD Standard I N I N...

Страница 28: ...c value TEST Confirms Isc value ESC Exits back to settings menu Function selectors Exits back to main menu without changes Short circuit current Isc in the supply system is important for selection or...

Страница 29: ...ment parameters and limits can be set to initial factory values Internal Bluetooth module is initialized Figure 4 12 Initial settings dialogue Keys UP DOWN Selects option YES NO TEST Restores default...

Страница 30: ...Zs rcd Fuse type none selected RCD RCD t Nominal differential current I N 30 mA RCD type AC non delayed Test current starting polarity 0 Limit contact voltage 50 V Current multiplier 1 AUTO SEQUENCES...

Страница 31: ...f current clamp 20 A 40 A 300 A Selection of measuring parameters Keys UP DOWN Selects appropriate option TEST Enables changing data of selected parameter MEM Saves settings ESC Exits back to clamp se...

Страница 32: ...ngth unit for specific earth resistance measurement can be selected in this menu Figure 4 14 Selection of length unit Keys UP DOWN Selects length unit TEST Confirms selected option ESC Exits back to s...

Страница 33: ...ee phase connection can be stored Measurements are based on the EN 61557 7 standard See chapter 4 2 Function selection for instructions on key functionality Figure 5 1 Voltage in single phase system T...

Страница 34: ...ults for single phase system Uln voltage between phase and neutral conductors Ulpe voltage between phase and protective conductors Unpe voltage between neutral and protective conductors f frequency Di...

Страница 35: ...ulation resistance of ground cables and resistance of semi conductive antistatic floors See chapter 4 2 Function selection for instructions on key functionality Figure 5 5 Insulation resistance Test p...

Страница 36: ...nominal test voltage UN 1000 V and UN 2500 V Also different test terminals are used The standard three wire test lead schuko test cable or plug tip commanders can be used for the insulation test with...

Страница 37: ...material DAR is ratio of insulation resistance values measured after 15 seconds and after 1 minute The DC test voltage is present during the whole period of the measurement s 15 min 1 DAR R R iso iso...

Страница 38: ...tor are displayed and short beep is generated When internal timer reaches 10 min also PI factor is displayed and measurement is completed Measurement can be interrupted any time by pressing the TEST k...

Страница 39: ...uctions on key functionality Figure 5 11 200 mA RLOW Test parameters for resistance measurement Test Resistance measurement sub function R LOW CONTINUITY Limit Maximum resistance OFF 0 1 20 0 Addition...

Страница 40: ...if necessary see section 5 4 3 Compensation of test leads resistance Disconnect from mains supply and discharge installation to be tested Connect the test leads to the appropriate PE wiring see Figur...

Страница 41: ...elect continuity function using the function selector keys Set sub function to CONTINUITY using UP DOWN keys Enable and set the limit optional Connect test cable to the instrument Compensate test lead...

Страница 42: ...nsation was carried out successfully Circuits for compensating the resistance of test leads Figure 5 16 Shorted test leads Compensation of test leads resistance procedure Select R LOW or CONTINUITY fu...

Страница 43: ...e general non delayed PRCD PRCD K PRCD S MI RCD EV RCD MUL Multiplication factor for test current 1 2 5 I N Ulim Conventional touch voltage limit 25 V 50 V Model MI 3102 BT only Notes Ulim can be sele...

Страница 44: ...n using the function selector keys Set sub function to Uc using UP DOWN keys Set test parameters if necessary Connect test cable to the instrument Connect test leads to the item to be tested see Figur...

Страница 45: ...the sensitivity of the RCD at different residual currents Trip out time measurement procedure Select the RCD function using the function selector keys Set sub function to RCDt using UP DOWN keys Set...

Страница 46: ...B B EV MI d c part 0 2 I N 2 2 I N DC Maximum test current is I trip out current or end value in case the RCD didn t trip out Trip out current measurement procedure Select the RCD function using the...

Страница 47: ...ested see Figure 5 20 Press the TEST key to perform the test Start of test Test with I N 0 step 1 RCD should trip out Re activate RCD Test with I N 180 step 2 RCD should trip out Re activate RCD Test...

Страница 48: ...rrent DC Idc step 10 trip out current DC Uc contact voltage for rated I N Notes The auto test sequence is immediately stopped if any incorrect condition is detected e g excessive Uc or trip out time o...

Страница 49: ...hapter 4 2 Function selection for instructions on key functionality Figure 5 26 Fault loop impedance Test parameters for fault loop impedance measurement Test Selection of fault loop impedance sub fun...

Страница 50: ...e fault current Lim low limit prospective short circuit current value Prospective fault current ISC is calculated from measured impedance as follows Z k Un I SC SC where Un Nominal UL PE voltage see t...

Страница 51: ...5 52 Sub functions Z LINE Line impedance measurement according to EN 61557 3 and U Voltage drop measurement See chapter 4 2 Function selection for instructions on key functionality Figure 5 29 Line im...

Страница 52: ...e to the instrument Connect test leads to the item to be tested see Figure 5 31 Press the TEST key to perform the measurement Store the result by pressing the MEM key optional Figure 5 32 Examples of...

Страница 53: ...re test lead Voltage drop measurement procedure Step 1 Measuring the impedance Zref at origin Select the Z LINE function using the function selector keys Set sub function to U using UP DOWN keys Selec...

Страница 54: ...point IN rated current of selected fuse UN nominal voltage see table below Un Input voltage range L N or L1 L2 110 V 93 V UL N 134 V 230 V 185 V UL N 266 V 400 V 321 V UL L 485 V Notes If the referen...

Страница 55: ...oltage is outside the ranges described in the table above the U result will not be calculated High fluctuations of mains voltage can influence the measurement results the noise sign is displayed in th...

Страница 56: ...suring resistance to earth of individual earthing rods Specific earth resistance See chapter 4 2 Function selection for instructions on key functionality Figure 5 35 Earth resistance Test parameters f...

Страница 57: ...5 36 Resistance to earth measurement of main installation earthing Figure 5 37 Resistance to earth measurement of a lighting protection system Figure 5 38 Example of earth resistance measurement resul...

Страница 58: ...e test probes Connection for contactless earthing resistance measurement Figure 5 39 Contactless earthing resistance measurement Figure 5 40 Example of contactless earthing resistance measurement resu...

Страница 59: ...UP DOWN keys Select the distance a between test probes Connect A 1199 adapter to the instrument Connect the test leads to earth probes see Figure 5 41 Press the TEST key to perform the measurement St...

Страница 60: ...PE wire and MPEs are considered to be earthed An often reason for this fault is incorrect wiring see examples below When touching the TEST key in all functions that requires mains supply the user auto...

Страница 61: ...ctivated and further measurements are disabled in Zloop and RCD functions Warning If dangerous voltage is detected on the tested PE terminal immediately stop all measurements find and remove the fault...

Страница 62: ...standard power parameters P Q S THDU and PF See chapter 4 2 Function selection for instructions on key functionality Figure 5 45 Power menu Settings and parameters for Power measurement There are no...

Страница 63: ...e continuous measurement Press the TEST key again to stop the measurement Store the result by pressing the MEM key optional Figure 5 47 Power measurement results Displayed results for the Power measur...

Страница 64: ...st parameters optional Connect voltage test leads and current clamp to the instrument Connect the voltage test leads and current clamp to the item to be tested see Figure 5 46 Press the TEST key to st...

Страница 65: ...e and load current measurements Current measurement procedure Select CURRENT function from the OTHERS menu Connect current clamp to the instrument Connect the clamp to the item to be tested see Figure...

Страница 66: ...s and PE when the first fault is applied as short circuit between observed line and PE See chapter 4 2 Function selection for instructions on key functionality Figure 5 53 ISFL measurement Test parame...

Страница 67: ...measuring cable to the instrument and tested installation see Figure 5 54 and Figure 5 55 Press the TEST key to start measurement Store the result by pressing the MEM key optional Figure 5 56 Examples...

Страница 68: ...See chapter 4 2 Function selection for instructions on key functionality Figure 5 57 IMD test Test parameters for IMD test Type Test mode MANUAL R MANUAL I AUTO R AUTO I Limit MANUAL R Minimum insula...

Страница 69: ...nd set limit values Connect 3 wire test lead to the instrument and tested item see Figure 5 58 Press the TEST key for measurement Insulation resistance between L1 PE is decreased automatically accordi...

Страница 70: ...lt leakage current for R1 I2 calculated first fault leakage current for R2 Calculated first fault leakage current at threshold insulation resistance is given as 2 1 2 1 2 1 R U I L L UL1 L2 is line li...

Страница 71: ...60 PE conductor resistance Test parameters for PE conductor resistance measurement Test Selection of PE conductor resistance sub function Rpe Rpe rcd Lim Maximum resistance OFF 0 1 20 0 Circuits for m...

Страница 72: ...Select Rpe rcd measurement to prevent trip out of RCD in RCD protected installation 5 16 Illumination The illumination measurements should be performed whenever planning or installing indoor or outdoo...

Страница 73: ...again to stop the measurement Store the result by pressing the MEM key optional Figure 5 65 Example of illumination measurement result Displayed results E Illumination Notes For accurate measurement...

Страница 74: ...RCD AUTO TN and AUTO IT MI 3102 BT only The selected sequence is carried out in one set of automatic tests guided by the instrument See chapter 4 2 Function selection for instructions on key functiona...

Страница 75: ...ement Available editable parameters AUTO TT VOLTAGE Z LINE U Zs rcd Uc FUSE fuse type rated current maximal braking time minimal short circuit current ZREF reference line impedance U voltage drop limi...

Страница 76: ...key to perform the ZREF measurement optional Connect test leads to the item to be tested see Figure 6 4 step 2 Press the TEST key to start the auto sequence Store the result by pressing the MEM key op...

Страница 77: ...E conductor resistance Rpe or RpeRCD R PE conductor resistance First fault leakage current ISFL AUTO IT sequence only Isc1 first fault leakage current at single fault between L1 PE Isc2 first fault le...

Страница 78: ...nt AUTO TT excepted Zlp Loop impedance Loop impedance Prospective short circuit current Rpe PE conductor resistance PE conductor resistance Is First fault leakage current First fault leakage current a...

Страница 79: ...ected structure element object block fuse connection EVSE level The main advantages of this system are Test results can be organized and grouped in a structured manner that reflects the structure of t...

Страница 80: ...est the results and parameters are ready for storing icon is displayed in the information field By pressing the MEM key the user can store the results Figure 7 2 Save test menu Memory available for st...

Страница 81: ...ed location element 1 to 199 Function selector ESC Exits back to main function menu TEST MEM Enters measurements field Keys in recall memory menu measurements field selected UP DOWN Selects the stored...

Страница 82: ...ation Select DELETE RESULTS in MEMORY menu Figure 7 8 Clear measurements menu data structure field selected Keys in delete results menu installation structure field selected TAB Selects the location e...

Страница 83: ...surement TAB ESC Returns to installation structure field Function selector Exits back to main function menu without changes Keys in dialog for confirmation to clear selected result s TEST Deletes sele...

Страница 84: ...ead from a RFID tag with the RFID reader Figure 7 13 Connection of the barcode reader and RFID reader How to change the name of memory location Connect the barcode reader or RFID reader to the instrum...

Страница 85: ...an USB or RS 232 link RS 232 communication connect a PC COM port to the instrument PS 2 connector using the PS 2 RS232 serial communication cable USB communication connect a PC USB port to the instru...

Страница 86: ...option is supported by Metrel s Android applications If this option is not supported by the selected Android application then configure a Bluetooth link via Android device s Bluetooth configuration to...

Страница 87: ...ded from a PC via the RS232 communication port This enables to keep the instrument up to date even if the standards or regulations change The upgrade can be carried with a help of special upgrading so...

Страница 88: ...instrument before opening battery fuse compartment cover hazardous voltage inside Replace blown fuse with original type only otherwise the instrument or accessory may be damaged and or operator s safe...

Страница 89: ...20 0 M 199 9 M 0 1 M 5 of reading 200 M 999 M 1 M 10 of reading 1 00 G 19 99 G 0 01 G 10 of reading Voltage Measuring range V Resolution V Accuracy 0 3000 1 3 of reading 3 digits Nominal voltages 50 V...

Страница 90: ...s or RISO 10min are over ranged the PI factor is not calculated The result field is blank PI _____ 10 3 Continuity 10 3 1 Resistance R LOW Measuring range according to EN 61557 is 0 16 1999 Measuring...

Страница 91: ...mA I N 2 mA I N 5 mA RCD I I N mA AC A F B B AC A F B B AC A F B B AC A F B B AC A F B B 10 5 3 5 5 10 20 20 20 40 40 50 100 100 30 15 10 5 15 30 42 60 60 84 120 150 212 300 100 50 35 50 100 141 200...

Страница 92: ...ter4 4 5 RCD testing This specification applies to max time 40 ms Test current I N I N 2 I N 5 I N 5 I N is not available for I N 1000 mA RCD type AC or I N 300 mA RCD types A F 2 I N is not available...

Страница 93: ...00 The accuracy is valid if mains voltage is stabile during the measurement Test current at 230 V 6 5 A 10 ms Nominal voltage range 93 V 134 V 45 Hz 65 Hz 185 V 266 V 45 Hz 65 Hz 10 5 2 RCD selected F...

Страница 94: ...culated value Measuring range A Resolution A Accuracy 0 00 0 99 0 01 Consider accuracy of line resistance measurement 1 0 99 9 0 1 100 999 1 1 00 k 99 99 k 10 100 k 199 k 1000 Test current at 230 V 6...

Страница 95: ...5 digits 20 0 99 9 0 1 100 0 199 9 0 1 10 of reading 200 1999 1 10 7 2 RCD selected PE conductor resistance Measuring range Resolution Accuracy 0 00 19 99 0 01 5 of reading 10 digits 20 0 99 9 0 1 10...

Страница 96: ...Hz 5 of reading 10 digits Open circuit voltage 30 VAC Short circuit current 30 mA Test voltage frequency 125 Hz Test voltage shape sine wave Noise voltage indication threshold 1 V 50 worst case Autom...

Страница 97: ...solution ft Accuracy 0 0 99 9 0 1 See accuracy note 100 999 1 1 00 k 9 99 k 0 01 k 10 0 k 99 9 k 0 1 k 100 k 9999 k 1 k Principle 2 distance Re with Re as measured resistance in 4 wire method Accuracy...

Страница 98: ...or 3 2 1 10 9 2 Voltage Measuring range V Resolution V Accuracy 0 550 1 2 of reading 2 digits Result type True r m s TRMS Nominal frequency range 0 Hz 14 Hz 500 Hz 10 9 3 Frequency Measuring range Hz...

Страница 99: ...ading AC current clamp A1019 Range 20 A Measuring range A Resolution A Accuracy 0 0 m 99 9 m 0 1 m indicative 100 m 999 m 1 m 5 of reading 1 00 19 99 0 01 3 of reading AC DC current clamp A1391 Range...

Страница 100: ...hn 2 5 0 100 INom THDi 2 5 0 100 INom 1 INom depends on set current sensor type and selected current range A 1018 A1019 20 A A 1391 40 A or 300 A Note Error of external voltage and current transducers...

Страница 101: ...ting MI 3102 BT only Threshold indicative insulation resistance Measuring range k Resolution k Notes 5 640 5 Indicative values Up to 128 steps Nominal voltage ranges 93 V UL1 L2 134 V 185 V UL1 L2 266...

Страница 102: ...with V filter Spectral response error 3 8 according to CIE curve Cosine error 2 5 up to an incident angle of 85O Overall accuracy matched to DIN 5032 class B standard 10 14 2 Illumination Luxmeter se...

Страница 103: ...10 3 cm 11 5 cm Weight 1 3 kg without battery cells Reference conditions Reference temperature range 10 C 30 C Reference humidity range 40 RH 70 RH Operation conditions Working temperature range 0 C...

Страница 104: ...5 50 919 2 640 545 464 2 266 9 63 1217 2 821 7 663 3 545 319 1 80 1567 2 1133 1 964 9 836 5 447 9 100 2075 3 1429 1195 4 1018 585 4 125 2826 3 2006 1708 3 1454 8 765 1 160 3538 2 2485 1 2042 1 1678 1...

Страница 105: ...15 4 180 2 109 3 32 539 1 361 5 307 9 271 7 159 1 35 618 1 453 2 374 308 7 169 5 40 694 2 464 2 381 4 319 1 190 1 50 919 2 640 545 464 2 266 9 63 1217 2 821 7 663 3 545 319 1 80 1567 2 1133 1 964 9 83...

Страница 106: ...150 150 150 150 83 16 160 160 160 160 86 4 20 200 200 200 200 108 25 250 250 250 250 135 32 320 320 320 320 172 8 40 400 400 400 400 216 50 500 500 500 500 270 63 630 630 630 630 340 2 Fuse type K Ra...

Страница 107: ...n prospective short circuit current A 0 5 10 10 10 10 2 7 1 20 20 20 20 5 4 1 6 32 32 32 32 8 6 2 40 40 40 40 10 8 4 80 80 80 80 21 6 6 120 120 120 120 32 4 10 200 200 200 200 54 13 260 260 260 260 70...

Страница 108: ...ead 3 x 1 5 m Plug commander A 1314 Mains measuring cable Tip commander A 1401 RCD testing Test lead 3 x 1 5 m Plug commander A 1314 Mains measuring cable Three phase adapter with switch A 1111 Earth...

Страница 109: ...kV test lead 2 x 1 5 m ISFL Test lead 3 x 1 5 m Plug commander A 1314 Mains measuring cable Tip commander A 1401 IMD checker Test lead 3 x 1 5 m Plug commander A 1314 Mains measuring cable Tip command...

Страница 110: ...culated the same as for general type RCD Modifications of the chapter 5 5 Test parameters for RCD test and measurement TEST RCD sub function test Uc RCDt RCD I AUTO I N Rated RCD residual current sens...

Страница 111: ...D type Contact voltage Uc proportional to Rated I AC EV MI a c part 1 05 I N any AC 2 1 05 I N A F 1 4 1 05 I N 30 mA A F 2 1 4 1 05 I N A F 2 1 05 I N 30 mA A F 2 2 1 05 I N B B 2 1 05 I N any B B 2...

Страница 112: ...accessory from the instrument and installation Service repairs or adjustment of instruments and accessories is only allowed to be carried out by a competent authorized personnel D 2 Battery The comman...

Страница 113: ...on instrument 8 Lamp key Switches On Off lamp Tip commander 9 Battery cells Size AAA alkaline rechargeable NiMH 10 Battery cover Battery compartment cover 11 Cap Removable CAT IV cap Tip commander D 4...

Страница 114: ...D 4 Touch PE test probe the TEST key on commander for at least one second If PE terminal is connected to phase voltage both LEDs will light yellow the warning message on the instrument is displayed i...

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