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METREL MI 3100 S EurotestEASI, Инструкция по эксплуатации

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MI 3100 s, MI 3100 SE 

Eurotest

EASI

 

Measurements 

 

55 

5.9 

PE conductor resistance (MI 3100 SE only) 

In TN system instrument measures the resistance of the protection conductor from the power 
transformer to the measurement site. 
In TT system the resistance of protection conductor from mains outlet to earth electrode and 
back to the power transformer via soil and the transformers earthing system is measured. 
 

 
See chapter 

4.2 Function selection

 for instructions 

on key functionality. 

 

Figure 5.38: 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 measurement of PE conductor resistance 

 

 

Figure 5.39: Connection of plug commander and 3-wire test lead 

Содержание MI 3100 S EurotestEASI

Страница 1: ...EurotestEASI MI 3100 SE MI 3100 s Instruction manual Version 1 3 2 Code no 20 752 131...

Страница 2: ...ipment meets the requirements of the EU European Union concerning safety and electromagnetic compatibility regulations 2019 METREL The trade names Metrel Smartec Eurotest Autosequence are trademarks r...

Страница 3: ...2 Function selection 22 4 3 Settings 23 4 3 1 Memory MI 3100 SE only 23 4 3 2 Language 23 4 3 3 Date and time 24 4 3 4 RCD testing 24 4 3 5 Isc factor 25 4 3 6 Commander support MI 3100 SE only 26 4...

Страница 4: ...ication 69 8 Upgrading the instrument 70 9 Maintenance 71 9 1 Fuse replacement 71 9 2 Cleaning 71 9 3 Periodic calibration 71 9 4 Service 71 10 Technical specifications 72 10 1 Insulation resistance 7...

Страница 5: ...ssories for specific measurements 86 Appendix C Country notes 87 C 1 List of country modifications 87 C 2 Modification issues 87 C 2 1 AT modification G type RCD 87 Appendix D Commanders A 1314 A 1401...

Страница 6: ...measurements Line impedance Voltage drop Phase sequence Earthing resistance tests Pre defined auto sequences MI3100 SE only The graphic display with backlight offers easy reading of results indicatio...

Страница 7: ...ions in 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 instrume...

Страница 8: ...s related to measurement functions General The indicator means that the selected measurement cannot be performed because of irregular conditions on input terminals Insulation resistance continuity fun...

Страница 9: ...limit prospective short circuit current value depends on fuse type fuse current rating fuse trip out time and impedance scaling factor The specified accuracy of tested parameters is valid only if the...

Страница 10: ...urement of PE conductor resistance using trip lock function does not normally trip an RCD However the trip limit may be exceeded if a leakage current flows to the PE protective conductor or if there i...

Страница 11: ...ompartment cover disconnect any measuring accessory connected to the instrument and turn off the instrument Ensure that the battery cells are inserted correctly otherwise the instrument will not opera...

Страница 12: ...ne different battery cell can cause an improper behaviour of the entire battery pack The effects described above should not be confused with the normal decrease of battery capacity over time Battery a...

Страница 13: ...ity EN 61557 Electrical safety in low voltage distribution systems up to 1000 VAC and 1500 VAC Equipment for testing measuring or monitoring of protective measures Part 1 General requirements Part 2 I...

Страница 14: ...in 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...

Страница 15: ...Communication with PC serial port Connection to barcode RFID reader Connection of Bluetooth dongle 4 Protection cover 5 USB connector MI 3100 SE Communication with PC USB 1 1 port Warnings Maximum all...

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

Страница 17: ...PFC 14 1 4 Nominal voltage 100V 264V 15Hz 500Hz impedance L PE 17 Voltage frequency U 0V 440V f 15Hz 500Hz Phase rotation EN 61557 7 Nominal voltage 100V 440V 1 00 Results 1 2 3 or 2 1 3 5Hz 5 Hz RCD...

Страница 18: ...de for testing and verification of low voltage installations handbook Short instruction manual Calibration Certificate 3 5 2 Standard set MI 3100 SE EurotestEASI Instrument Soft carrying bag Schuko pl...

Страница 19: ...erminals L and N 4 1 2 Battery indication The battery indication indicates the charge condition of battery and connection of external charger Battery capacity indication Low battery Battery is too wea...

Страница 20: ...gnal is out of range clipped Results are impaired Fuse F1 is broken 4 1 4 Results Measurement result is inside pre set limits PASS Measurement result is out of pre set limits FAIL Measurement is abort...

Страница 21: ...usted Click Toggles backlight intensity level Keep pressed for 1 s Locks high intensity backlight level until power is turned off or the key is pressed again Keep pressed for 2 s Bar graph for LCD con...

Страница 22: ...dified TEST Runs selected test measurement function MEM Stores measured results recalls stored results MI 3100 SE only ESC Exits back Keys in test parameter field UP DOWN Changes the selected paramete...

Страница 23: ...values Figure 4 3 Options in Settings menu Keys UP DOWN Selects appropriate option TEST Enters selected option Function selector switch Exits back to selected test measurement function without changes...

Страница 24: ...ment function without changes Note If the batteries are removed for more than 1 minute the set date and time will be lost 4 3 4 RCD testing In this menu the used standard for RCD tests can be set Figu...

Страница 25: ...riod for current of I 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...

Страница 26: ...d or disabled in this menu Figure 4 9 Selection of commander support Keys UP DOWN Selects commander option TEST Confirms selected option ESC Exits back to settings menu Function selector switch Exits...

Страница 27: ...gle was initialized properly EXTERNAL BT DONGLE SEARCHING OK Notes The Bluetooth dongle A1436 should always be initialized before first use with the instrument If the dongle was initialized by another...

Страница 28: ...tteries are removed for more than 1 minute the custom made settings will be lost The default setup is listed below Instrument setting Default value Language English Contrast As defined and stored by a...

Страница 29: ...e 50 V Current multiplier 1 AUTO SEQUENCES MI 3100 SE only AUTO TT FUSE None selected ZREF U 4 0 RCD 30 mA AC non delayed 0 Uc 50 V AUTO TN rcd FUSE None selected ZREF U 4 0 Rpe No limit AUTO TN FUSE...

Страница 30: ...d three 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 sys...

Страница 31: ...selection of VOLTAGE TRMS function Figure 5 4 Examples of voltage measurement in three phase system Displayed results for single phase system Uln voltage between phase and neutral conductors Ulpe volt...

Страница 32: ...minal test voltage 50 V 100 V 250 V 500 V 1000 V Limit Minimum insulation resistance OFF 0 01 M 200 M Test circuits for insulation resistance Figure 5 6 Connection of 3 wire test lead and tip commande...

Страница 33: ...MI 3100 s MI 3100 SE EurotestEASI Measurements 33 Figure 5 7 Example of insulation resistance measurement result Displayed results R insulation resistance Um test voltage actual value...

Страница 34: ...instructions on key functionality Figure 5 8 200 mA RLOW Test parameters for resistance measurement Test Resistance measurement sub function R LOW CONTINUITY Limit Maximum resistance OFF 0 1 20 0 Add...

Страница 35: ...igure 5 9 Press the TEST key to perform the measurement After the measurement is finished store the result by pressing the MEM button MI 3100 SE only Figure 5 10 Example of RLOW result Displayed resul...

Страница 36: ...12 Example of continuous resistance measurement Displayed result R resistance 5 3 3 Compensation of test leads resistance This chapter describes how to compensate the test leads resistance in both con...

Страница 37: ...Results with old calibration values Figure 5 15 Results with new calibration values Note The highest value for lead compensation is 5 If the resistance is higher the compensation value is set back to...

Страница 38: ...mA 30 mA 100 mA 300 mA 500 mA 1000 mA type RCD type AC A F starting polarity Characteristic and PRCD selection selective general non delayed PRCD PRCD K PRCD S MUL Multiplication factor for test curre...

Страница 39: ...measurement procedure Select the RCD function using the function selector switch Set sub function to Uc using UP DOWN keys Set test parameters if necessary Connect test cable to the instrument Connec...

Страница 40: ...eys Set test parameters if necessary Connect test cable to the instrument Connect test leads to the item to be tested see Figure 5 17 Press the TEST key to perform the measurement Store the result by...

Страница 41: ...to RCD I 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 Figure 5 17 Press the TEST key to perform the measurem...

Страница 42: ...t parameters if necessary Connect test cable to the instrument Connect test leads to the item to be tested see Figure 5 17 Press the TEST key to perform the test Start of test Test with I N 0 step 1 R...

Страница 43: ...I N 0 x step 6 trip out time I I N 180 I step 7 trip out current 0 I step 8 trip out current 180 Uc contact voltage for rated I N Notes The auto test sequence is immediately stopped if any incorrect...

Страница 44: ...See chapter 4 2 Function selection for instructions on key functionality Figure 5 23 Fault loop impedance Test parameters for fault loop impedance measurement Test Selection of fault loop impedance su...

Страница 45: ...ective 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...

Страница 46: ...0364 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 26 Li...

Страница 47: ...ble to the instrument Connect test leads to the item to be tested see Figure 5 28 Press the TEST key to perform the measurement Store the result by pressing the MEM key MI 3100 SE only Figure 5 29 Exa...

Страница 48: ...urement connection of plug commander and 3 wire test lead Voltage drop measurement procedure Step 1 Measuring the impedance Zref at origin Select the Zline function using the function selector switch...

Страница 49: ...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 reference impedance is not set the value of ZREF is considered as 0 00 The ZREF is cleared set to 0...

Страница 50: ...ethod for standard earth resistance tests with two earthing rods See chapter 4 2 Function selection for instructions on key functionality Figure 5 32 Earth resistance Test parameters for earth resista...

Страница 51: ...gure 5 33 Resistance to earth measurement of main installation earthing Figure 5 34 Resistance to earth measurement of a lighting protection system Figure 5 35 Example of earth resistance measurement...

Страница 52: ...measurement results In this case Rp and Rc warnings are displayed There is no PASS FAIL indication in this case High noise currents and voltages in earth could influence the measurement results The t...

Страница 53: ...the 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...

Страница 54: ...ent buzzer is activated 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 r...

Страница 55: ...o earth electrode and back to the power transformer via soil and the transformers earthing system is measured See chapter 4 2 Function selection for instructions on key functionality Figure 5 38 PE co...

Страница 56: ...rement Store the result by pressing the MEM key optional Figure 5 40 Examples of PE conductor resistance measurement result Displayed results R PE conductor resistance Notes High fluctuations of mains...

Страница 57: ...O TN RCD and AUTO TN 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 functionality Figure 6 1 Mai...

Страница 58: ...ements can be performed for selected autosequence Parameters in each autosequence are user defined as follows Auto sequence Test measurement Available editable parameters AUTO TT VOLTAGE Z LINE U Zs r...

Страница 59: ...REF 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 optional Step 1 Step 2...

Страница 60: ...nce results Function Results field Left value on display Right value on display U Voltage Voltage between phase and neutral Zln Line impedance Line impedance Prospective short circuit current U Voltag...

Страница 61: ...bout type and number of measurements that belong to the selected structure element object and block and fuse and connection The main advantages of this system are Test results can be organized and gro...

Страница 62: ...and its successive number 004 No of selected element No of measurements in selected location No of measurements in selected location and its sub locations Measurement field Type of stored measurement...

Страница 63: ...TAB Selects the location element Object Block Fuse Connection UP DOWN Selects number of selected location element 1 to 199 MEM Saves test results to the selected location and returns to the measuring...

Страница 64: ...nction or memory menu Function selector switch Switches to other test measuring function or settings TEST MEM Enters measurements field Keys in recall memory menu measurements field selected UP DOWN S...

Страница 65: ...ring memory in progress 7 5 2 Clearing measurement s in selected location Select DELETE RESULTSin MEMORY menu Figure 7 8 Clear measurements menu data structure field selected Keys in delete results me...

Страница 66: ...unction selector switch Switches to test measuring function ESC Exits back to memory menu MEM Enters measurements field for deleting individual measurements Keys in delete results menu measurements fi...

Страница 67: ...reader or RFID reader Default installation structure elements are Object Block Fuse and Connection When the instrument is in the SAVE RESULTS menu location ID can be scanned from a barcode label with...

Страница 68: ...blish 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 i...

Страница 69: ...rument and Android device Switch Off and On the instrument Be sure that the Bluetooth dongle A1436 is properly initialized If not the Bluetooth dongle must be initialized as described in chapter 4 3 7...

Страница 70: ...upgraded 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 upgradi...

Страница 71: ...the 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...

Страница 72: ...on M Accuracy 0 00 19 99 0 01 5 of reading 3 digits 20 0 199 9 0 1 5 of reading 200 999 1 20 of reading Voltage Measuring range V Resolution V Accuracy 0 1200 1 3 of reading 3 digits Nominal voltages...

Страница 73: ...Accuracy 0 0 199 9 0 1 5 of reading 5 digits 200 1999 1 Open circuit voltage 6 5 VDC 9 VDC Measuring current min 200 mA into load resistance of 2 Test lead compensation up to 5 The number of possible...

Страница 74: ...50 100 30 15 10 5 30 42 60 84 150 212 100 50 35 100 141 200 282 500 707 300 150 105 300 424 600 848 1500 n a 500 250 175 500 707 1000 1410 2500 n a 1000 500 350 1000 1410 2000 n a n a n a n a not app...

Страница 75: ...RCD types A F Specified accuracy is valid for complete operating range 10 3 4 Trip out current Trip out current Complete measurement range corresponds to EN 61557 requirements Measuring range I Resolu...

Страница 76: ...0 k 100 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 4 2 RCD selec...

Страница 77: ...t calculated 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...

Страница 78: ...5 of reading 5 digits 20 0 99 9 0 1 100 0 199 9 0 1 10 of reading 200 1999 1 10 6 2 RCD selected PE conductor resistance Measuring range Resolution Accuracy 0 00 19 99 0 01 5 of reading 10 digits 20...

Страница 79: ...e resistance RC 100 RE or 50 k whichever is lower Max probe resistance RP 100 RE or 50 k whichever is lower Additional probe resistance error at RCmax or RPmax 10 of reading 10 digits Additional error...

Страница 80: ...1 2 3 or 3 2 1 10 8 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 8 3 Frequency Measuring ran...

Страница 81: ...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 40 C...

Страница 82: ...74 308 7 169 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 2...

Страница 83: ...5 215 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...

Страница 84: ...2 15 150 150 150 150 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...

Страница 85: ...5 Min 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 26...

Страница 86: ...ce PE resistance Test lead 3 x 1 5 m Plug commander A 1314 Mains measuring cable Tip commander A 1401 Three phase adapter with switch A 1111 Earth connection resistance MI 3100 SE only Test lead 3 x 1...

Страница 87: ...ed the same as for general type RCD Modifications of the chapter 5 4 Test parameters for RCD test and measurement TEST RCD sub function test Uc RCDt RCD I AUTO I N Rated RCD residual current sensitivi...

Страница 88: ...tion of the chapter 5 4 1 RCD type Contact voltage Uc proportional to Rated I AC 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 Table C 1 Re...

Страница 89: ...s or before opening the battery compartment cover disconnect the measuring accessory from the instrument and installation Service repairs or adjustment of instruments and accessories is only allowed t...

Страница 90: ...lso as the PE touching electrode 2 LED Left status RGB LED 3 LED Right status RGB LED 4 LEDs Lamp LEDs Tip commander 5 Function selector Selects test function 6 MEM Store recall clear tests in memory...

Страница 91: ...Low battery Both LEDs red and switch off Battery voltage too low for operation of commander PE terminal test procedure Connect commander to the instrument Connect commander to the item to be tested s...

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