METREL Instaltest 61557 MI 2087 Instruction Manual Download Page 7

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MI 2087 Instaltest 61557

Instrument description

1.4. Standards applied

The Instaltest 61557 is designed according to European safety standard

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EN 61010 – 1

EMC (noise and immunity) according to European standards

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EN 50081 – 1

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EN 50082 – 1

Measurements according to European standard EN 61557:

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Insulation Resistance................................................................... Part 2

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Loop Resistance .......................................................................... Part 3

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Resistance of earth connection and equipotential bonding.......... Part 4

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Residual Current Devices (RCD) in TT and TN systems ............. Part 6

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Phase Sequence.......................................................................... Part 7

Illumination measurement according to standard

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DIN 5032....................................................................................... Part 7

Summary of Contents for Instaltest 61557 MI 2087

Page 1: ...SENSOR Instaltest 61557 MI 2087 Instruction Manual Version 3 Code No 20 750 702...

Page 2: ...el metrel si Mark on your equipment certifies that this equipment meets the requirements of the EU European Union concerning safety and interference causing equipment regulations 2000 METREL No part o...

Page 3: ...3 4 Continuity 24 3 5 RCD Contact Voltage and Fault Loop Resistance 26 3 6 RCD Trip out Time 29 3 7 RCD Trip out Current 32 3 8 RCD Automatic Test 34 3 9 Fault Loop Resistance and Prospective Short ci...

Page 4: ...and measurements The instrument is equipped with all accessories necessary for comfortable carrying out the tests It is kept in a soft carrying bag together with all the enclosed accessories Electroni...

Page 5: ...his Instruction Manual the protection provided by the equipment may be impaired Do not use the instrument and accessories if any damage is noticed In case of blown any fuse follow the instructions in...

Page 6: ...6 RL PE Voltage UL PE RLOOP ISC UL PE 0 264 V Line Resistance RL N RLINE ISC UL N Max test current 2 5A Line Prospective Short circuit Current Ipsc RLINE ISC UL N Calculation Ipsc UN 1 06 RL N Voltage...

Page 7: ...unity according to European standards EN 50081 1 EN 50082 1 Measurements according to European standard EN 61557 Insulation Resistance Part 2 Loop Resistance Part 3 Resistance of earth connection and...

Page 8: ...ent description 2 1 Front panel 1 2 3 15 14 13 12 11 10 9 8 7 6 5 4 ME T R E L Ins taltes t 61557 L OCA T OR U C L R R L INE S C I R L OOP S C I U L N U L P E t DN U L N L OG I D D t R CD AU T O 9 8 7...

Page 9: ...is pressed Check Prospective Short circuit Current Ipsc RLINE Ipsc UL N or RLOOP Ipsc UL PE position when main test result is displayed Check Fault Loop Resistance value and set Limit Contact Voltage...

Page 10: ...rential current and RCD type Voltage Logging Period between sampling and Total number of samples Varistor breakdown voltage High and Low limit value of test result Illumination Low limit value of meas...

Page 11: ...to fix the instrument along his body 3 Plastic cover it fixes nylon strip to the instrument There is a screw under the cover which is to be unscrewed when opening the instrument for service or calibr...

Page 12: ...lites of carring the instrument are available Operator can choose appropriate one on bases of his operation see the folloving examples The instruments is hung around operator s neck only quick placing...

Page 13: ...Commander Option Order No A 1002 Fault Loop Resistance Ipsc Universal Test Cable or Plug Commander Option Order No A 1001 Line Resistance Ipsc Universal Test Cable or Plug Commander Option Order No A...

Page 14: ...ed before starting the measurement When measuring Insulation Resistance between conductors all loads must be disconnected and all switches closed Do not touch tested object while testing it risk of el...

Page 15: ...e voltage for one step while continuous pressure will increase decrease it continuously the value will stop for a while when reaching standard value like 100 250 or 500 V enabling the operator to depr...

Page 16: ...tting limit value to return to Insulation Resistance initial menu Step 4 Connect test cable to tested object according to the figure below Fig 7 Connection of Universal Test Cable and optional Tip Com...

Page 17: ...discharged automatically after finishing the measurement actual voltage is displayed during discharging until the voltage drops below 30 V If test result is out of measurement range open test leads o...

Page 18: ...Over voltage Protection Devices functions Press SELECT key when tSt is displayed to enter the Varistor Over voltage Protection Devices function Press the SELECT key twice to skip limit adjustment men...

Page 19: ...alue to enter Low Limit Value adjustment mode the following menu will be displayed Fig 10 Low limit value adjustment menu and the table of available limit values Use the and keys to set required Low L...

Page 20: ...e Un 230V Upeak 230V 1 41 324V Ubreakdown Upeak 0 2 Un Un 1 6 368V Uac voltage may be directly compared with the voltage declared on tested protection device Store displayed result for documentation p...

Page 21: ...ce and theory Warning Make sure tested object to be deenergised mains voltage disconnected before starting the measurement How to carry out the measurement Step 1 Connect test cable Universal test cab...

Page 22: ...been exchanged How to carry out the compensation Short test leads see the figure below Fig 14 Shorted test leads Press the START key and release it in order to carry out regular measurement result clo...

Page 23: ...esult displayed afterwards Each measurement is accomplished in two steps polarity is reversed between the two steps automatically Higher partial result is displayed The result if lower than set High l...

Page 24: ...und will be affected too If resistance value higher than 5 measured with not compensated instrument is displayed compensation will not be carried out after pressing CAL key but already effected compen...

Page 25: ...ng the measurement is running fuse M 0 315A 250V placed in vertical plastic cylinder under battery cover will blow see the chapter 5 2 Fuses How to carry out the measurement Step 1 Connect test cable...

Page 26: ...rt after pressing START key but the voltage will be displayed equipped with mark Beep warning sound will be affected too If test result is out of measurement range open test leads 1999 message will be...

Page 27: ...pears Fig 20 Contact Voltage initial menu left and Fault Loop Resistance initial menu Step 2 Select required function i e Contact Voltage or Fault Loop Resistance by pressing the SELECT key first Prev...

Page 28: ...the SELECT key after setting RCD type last set Limit Contact Voltage starts to blink Select appropriate value using the and keys 50 or 25 V can be selected Press the SELECT key again after selecting t...

Page 29: ...esult Uc at I N standard RCD or Uc at 2I N selective RCD and preset Limit Contact voltage by using the DISPLAY key Store displayed result for documentation purpose see instructions how to store it in...

Page 30: ...eral information concerning the measurement refer to enclosed handbook Measurements on electric installations in practice and theory How to carry out the measurement Step 1 Connect test cable Plug com...

Page 31: ...splayed can be selected Step 5 Connect test cable to tested object mains outlet or other test terminals according to the figure 21 Plug commander or figure 22 Universal test cable Step 6 Press the STA...

Page 32: ...ng to ground rcd mark will start to blink RCD type and Nominal differential current set in this function will be offered in other RCD functions wherever actual Limit Contact Voltage Ulim can be set in...

Page 33: ...ue using the and keys The following values are available to be selected 10 30 100 300 500 or 1000 mA Step 3 Connect test cable to tested object mains outlet or other test terminals according to the fi...

Page 34: ...eason will Trip Out Current measurement be carried out only if Contact voltage at nominal differential current is lower than set limit value Current flowing to PE protective conductor caused by faulty...

Page 35: ...61557 Set function switch to RCDAUTO position Auto function initial menu will be displayed see the figure below Fig 26 Auto function initial menu Step 2 Select Nominal differential current I n as fol...

Page 36: ...ge 33 1st test Trip out time measurement using test current Itest I n 2 at positive start polarity of test current 0 Tested RCD should not trip the following display message will appear for a while Fi...

Page 37: ...I n at negative start polarity of test current 180 The display message presented on left side of the next figure will appear for a while Successfully ended fourth test RCD trips within allowed time pe...

Page 38: ...and result of the sixth test right figure Check partial results Trip out Times separately for each step from 1st up to 6th as well as Contact Voltage at set Nominal differential current Standard RCD t...

Page 39: ...nction only RCD type and Nominal differential current set in this function will be offered in other RCD functions wherever actual For safety reason will Automatic RCD test be carried out only if Conta...

Page 40: ...ent Step 1 Connect test cable Plug commander or Universal test cable to Instaltest 61557 Set function switch to RLOOP Isc UL PE position L PE voltage measurement will start to run see the figure below...

Page 41: ...l Test Cable Step 3 Press the START key and release it Measurement will be carried out and result displayed afterwards Check calculated Prospective Short circuit Current pressing the DISPLAY key The c...

Page 42: ...after pressing START key Warning sound signal will be effected too The instrument will exchange L and N terminals automatically if N L2 and L L1 test leads Universal test cable are connected reversed...

Page 43: ...cable to Instaltest 61557 Set function switch to RLINE Isc UL N position L N L voltage measurement will start to run see the figure below left side Fig 36 L N L voltage and frequency measurement Chec...

Page 44: ...ion purpose see instructions how to store it in chapter 4 1 Storing of test results Notes Nominal input voltage range is 100 440 V if input voltage is out of the range the voltage value equipped with...

Page 45: ...the voltage variations the Instaltest 61557 can perform the long term Logging measurements The instrument is intended for recording of slow voltage variations see the figure below Fig 38 Slow voltage...

Page 46: ...measurements How to set the Number Press the SELECT key after setting Sampling period to enter Total number adjusting mode last set total number starts to blink Set appropriate value using the and key...

Page 47: ...will be transferred not only the min max and AVG value Stored results of the Logging function have to be erased before any other measurement will be stored otherwise LOG MEM indication will be displa...

Page 48: ...ersal test cable to Instaltest 61557 Set function switch to phase rotation position Phase rotation initial menu will be displayed see the figure below Fig 40 Phase rotation initial menu Step 2 Connect...

Page 49: ...displayed result for documentation purpose see instructions how to store it in chapter 4 1 Storing of test results Notes Nominal input voltage range is 100 V 440 V If there are mains voltages present...

Page 50: ...e set limit value and if lower they will be equipped with mark How to set the Low limit value Press the SELECT key to enter Low Limit value adjustment mode the following menu will appear Fig 44 Low li...

Page 51: ...urement Last measured result will be shown on display See an example of test result on the figure below Fig 46 Illumination value displayed Store displayed result for documentation purpose see instruc...

Page 52: ...that case hand held indicator follows radiated signal around connected conductor For additional general information concerning the operation refer to enclosed handbook Measurements on electric install...

Page 53: ...ne On that basis it will start either to impose it s own signal free voltage installation or to load mains voltage mains voltage present The following message will be displayed Fig 50 Display message...

Page 54: ...met when dealing with measurements on electric installations figure 47 On basis of this diagram the following basic structure can be defined FUSE CABINET Offices FUSE Lamps FUSE Wall outlets FUSE Com...

Page 55: ...MI 2087 Instaltest 61557 Memory and other operations 54 Fig 51 General electric installation...

Page 56: ...ore test results regardless of test function can be stored under the same FUSE CABINET FUSE code This will be done simply effecting double click to SAVE key FUL message will be displayed in case all m...

Page 57: ...in FUSE FUSE CABINET code is presented on the figure below FUSE location will be offered blinking Function identification number of last result stored under offered FUSE FUSE CABINET code will be disp...

Page 58: ...MI 2087 Instaltest 61557 Memory and other operations 57 Fig 53 Organisation of memory locations...

Page 59: ...lts Press the CLR key Clr message starts to blink Confirm erasing pressing the CLR key again Only result displayed before CLR key was pressed will be erased Function number of the next stored result w...

Page 60: ...played for a while meaning RESET function has been completed Parameter Function Initial value Compensation of test leads R 200mA Annulled High limit value R 200mA no Nominal differential current All R...

Page 61: ...be marked with bat mark after finishing the measurement Replace all four batteries when the battery mark is empty in static mode no measurement is running or when the battery mark trips to empty frame...

Page 62: ...the next procedure when replacing the batteries Switch OFF the instrument Replace the batteries within one minute Switch ON the instrument Clr message will not be displayed indicating stored data has...

Page 63: ...ll measurement instruments are regularly calibrated For occasional daily use we recommend an annual calibration to be carried out When the instrument is used continuously every day we recommend that c...

Page 64: ...mpensation of test leads up to 5 yes Sound signal yes Automatic polarity exchange yes Measurement mode single measurement Continuity Display range R Resolution Accuracy 0 0 199 9 0 1 200 2000 1 3 of r...

Page 65: ...t I Fault Loop Resistance and Prospective Short circuit Current Meas range RL PE 0 20 1999 Display range RL PE Resolution Accuracy 0 00 19 99 0 01 20 0 199 9 0 1 200 1999 1 5 of r 5D Display range Ips...

Page 66: ...iode Cosine error less than 3 0 up to an incident angle of 85 degress Overall accuracy match to DIN 5032 Class C standard Fault Fuse Conductor locator Principle Line loading or Imposing of test signal...

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