HV INSULATION DIAGNOSTICS - SKT
Contents
1. www metrel si 2008 HV INSULATION DIAGNOSTICS METRE ne west wourAGt pa oe Um tw velaq OS oa wt ae pay 2 ia WAE api tem npa HST TeraOhm 10 k TeraOhm 5 TeraOhm 5 GigaOhm 5 ISOTest N O 0 O O L O O gt N E TeraOhm 10 kV Mi 3200 Profesional diagnostic insulation tester TeraOhm 10 kV is a professional high voltage insulation tester with included diagnostics tools It is specially well suited for e testing insulation resistance of rotating machinery and cables e production line periodic testing and maintenance e troubleshoting and analysis of all kinds of insulation problems e insulation testing of power transformers e insulation resistance measurements of measuring transducers in distribution networks Because of its robustness CAT IV protection it is best suited for industrial environment Main features e Insulation resistance measuring range up to 10 IO e DC test voltage from 500 V up to 10 000 V adjustable in 25 V steps e Powerful diagnostics tools include Pl DAR and DD measurements e Step voltage insulation test e MAX charging current is 5 mA e Automatic discharge of capacitive loads e Digital bar graph presentation of result with date and time stamp Technical Specification Measuring range 0 12 MQ 10 TQ Acc 5 of r 3 dig Test voltage ranges DC 500 V 10000 V in steps of 25 V Acc 3 of r 32. DAR dielectric discharge DD insulation system capacitance Easiness of use high EM immunity and automatic discharge of load after completed measurement are just some of many outstanding features that distinguish Metrel HV testers from other similar products on the market High insulation resistance measurement e DC test voltages 250 V 5000 V in steps of 50 V e Measuring range up to 5 TQ e Timer mode from 1 s up to 30 min e Capacitance measurement up to 50 uF Step voltage measurement of insulation resistance e DC test voltage up to 5000 V automatically divided in 5 steps e Adjustable test time Withstanding voltage test up to 5000 V e Insulation leakage current measurement e Adjustable test voltage slope e Pre set threshold test current from 1 mA to 1 4 mA e ime programmable step voltage test Technical Specification Measuring range 0 12 MQ 57TQ Acc 5 of r 3 dig Test voltage ranges DC 250 V 5000 V in steps of 50 V Acc 3 Yo of r 3 V Bar Graph Trend 0 110 Withstanding test voltage 0 5000 V Acc 3 of r 40 V Leakage current range 0 1 4 mA Acc 3 of r 3 dig Voltage AC DC range 0 600 V Acc 3 of r 3 V Capacitance range 0 50 uF Acc 5 of r 2 dig Polarization index Pl range 0 99 9 Acc 5 of r 2 dig Dielectric discharge test DD range 0 99 9 Acc 5 of r 2 dig Dielectric absorption ratio DAR range 0 99 9 Acc 5 of r
3. Large custom LCD dot matrix display User friendly keyboard enables Guard connection terminal to eliminate with bar graph and backlit simple and fast adjustment the influence of surface insulation Simultaneous presentation of currents measuring results and test parameters Built in timer and real time clock Ordering information Standard set MI 2077 230V 45 65Hz 25VA 230 V power supply with built in battery Up to 1000 test results can be stored in charger for NIMH batteries enables the memory module of TeraQhm 5kV MeO ceon N measurement during the charging Windows compatible TeraLink PC Soft carrying bag 110 V power supply available on software serves for downloading and Katene eleke Peel results Test lead set 2 m black red request management of tes i Guard test lead 2 m with alligator clip green Results can be further exported to Alligator clips 2 pcs black other WIndows programs Handbook Guide to modern insulation testing on CD Instruction manual Product verification data Use of a Guard terminal eliminates an influence of surface insulation currents on the measuring result To assure high accuracy of the measuring results a Guard terminal is to be used in conjunction with shielded test leads when measuring insulation resistances in GO or TQ range Red Guard Black N O 0 O O L O O ae N E GigaOhm 5 kV MI 3202 GigaOhm 5kV is a hi
4. currents Features e AC and DC voltage measurement up to 600 V e Four measuring ranges 500 V 1000 V 2500 V and 5000 V e Battery powered e START HOLD button Ordering information Standard set MA 2060 Voltage resistance Measurement of Insula Measurement and DC or diagram tion Resistance AC voltage Instrument ISOtest Measurement of insulation resistance is mostly carried The instrument indicates m ae i est lead Z m ire out without using the GUARD terminal If you want to the value of DC voltage or Pp Ng a eliminate the influence of the surface insulation currents RMS AC voltage Alligator clips 2 pcs black that appear either due to humidity In the atmosphere or 50 Hz without releasino Instruction manual because of dirt the terminal GUARD should be used as the START key PIE aee eel shown in the figure Technical Specification Insulation resistance General Measuring range 500 kQ 500 GQ Power supply batteries Alb VDE IEC R20 Measuring voltage 500 1000 2500 5000 V DC LOW BAT indicator red LED Short circuit measuring current approx 1 3 mA Dimensions w x h x q 645 gt lt 160 gt lt 250 iim Scale logarithmic 90 mm Case robust plastic Accuracy 2 mm Working temp range 0 40 C START HOLD system included Nominal temp range 10 30 C Discharging of line automatic when START Weight 4 5 kg key is not presseq Voltage Measuring range 0 600 V AC DC Input resis
5. 2 dig Step voltage 250 5000 V in five steps Other features e Voltage and frequency measurement up to 600 V AC DC e Automatic discharge of capacitive loads e Guard terminal to eliminate influence of insulation surface leakage currents e Digital and bar graph display e Built in battery charger e User friendly PC software optional e RS232 isolated communication port Typical applications e Rotating machines e Transformers e Cables e High voltage generators e Electrical circuits e Surge arresters e Measuring transducers Standards applied e Instruments operation IEC EN 61557 2 e Electromagnetic compatibility EMC EN 61326 Class B e Safety EN 61010 1 instruments EN 61010 031 accessories General Battery power supply Mains power supply Protection classification Over voltage category Pollution degree Degree of protection Dimensions w x h x q Weight with batteries Visual and sound warnings Display Memory Working temperature range Nominal temperature range Storage temperature range Maximum humidity Nominal humidity range 7 2 V DC 6 x 1 2 V NiMH batteries IEC LR14 230 V AC 45 65 Hz Double insulation CAT III 600V 2 IP 44 269 x 110 x165 mMM 2KO Yes LCD dot matrix with backlight 160 x 116 Non volatile internal memory 1000 measurements 10 50 C 10 30 C 20 70 C 95 RH 0 40 C non condensing 40 60 RH Key features
6. V Bar graph trend 0 1190 Withstanding test voltage 500 10000 V Acc 3 of r 40 V Leakage current range 0 5 m Acc 3 of r 3 dig Voltage AC DC range 0 600 V Acc 3 of r 4 V Capacitance range 0 50 uF Acc b of r 2 dig Polarization index Pl range 0 99 9 Acc 5 of r 2 dig Dielectric discharge test DD range 0 99 9 Acc 5 of r 2 dig Dielectric absorption ratio DAR range 0 99 9 Acc 5 of r 2 dig Step voltage 500 10000 V in five steps e RS232 and USB communication ports e Windows compatible PC Software TeraLink e High quality accessories with shielded test leads included In a standard set e High level of EM noise protection e CAT IV 600 V over voltage category for industrial and power distribution applications e Powered either by mains voltage or rechargeable batteries Powerful features of diagnostic tests e Discharge current voltage and capacitance measured on the equipment under test e Polarization index PI calculation e Dielectric absorption ratio DAR calculation in first minute e Dielectric discharge ratio DD calculation Typical applications e power transformers e high voltage cables e rotating machines e surge arrestors e measuring transducers Standards applied Instruments EN61557 2 EN61326 EN61010 1 EN61010 31 Applications EN60345 EN61010 IEEE43 2000 General Battery power supply Mains power
7. supply Protection classification Over voltage category Pollution degree Degree of protection Dimensions w x h x d Weight Visual and sound warnings Display Memory Working temperature range Nominal temperature range Storage temperature range Maximum humidity Nominal humidity range 7 2 V DC 6 x 1 2 V NIMH IEC LR20 D size 90 260 V AC 45 65 Hz Double insulation CAT IV 600 V 2 IP 44 with case closed S60 x 1160 x 330 mim 5 5 kg with batteries without accessories Yes LCD dot matrix with backlight 160 x 116 Non volatile internal memory 1000 measurements with time and date 10 50 C 10 30 C 20 70 C 95 RH 0 40 C non condensing 40 60 RH Key features Shielded test leads for use in Mains power supply with built in battery Windows compatible PC Software environments with high EM charger for NiMH batteries TeraLink for downloading and interferences open HV switchyards for RS232 and USB communication ports management of recorded test data Improved accuracy of the test results Use of a Guard terminal eliminates an influence of surface insulation currents on the measuring result To assure high accuracy of the measuring results a Guard terminal is to be used in conjunction with shielded test leads when measuring insulation resistances in GO or TQ range Ordering information Standard set MI 3200 Instrument TeraOhm 10 kV Mains cable 10 k
8. 250 iim Weight with batteries 3 kg Display LCD segments with backlight T2 VI DG 65212 V NIMFIEC LR 90 260 V AC 45 65 Hz Double insulation Key features Handle and shoulder strap make the unit Large LCD display with backlit easy to carry Short user manual for quick access to Mains and rechargeable battery power the measuring setup is packed inside supply the instrument Guard connection terminal to eliminate the influence of surface insulation currents User friendly front plate for quick test adjustment Ordering information Standard set MI 3202 Instrument GigaOhm 5 kV Carrying bag Mains cable 10 kV shielded test lead set 2 m black red 10 kV alligator set black red Guard test lead with alligator clip 2 m green 6 x 1 2 V NiMH batteries C type Handbook Guide to modern insulation testing on CD Instruction manual Product verification data N O 0 O O L QO O ae N E ISO test MA 2060 Analogue High Voltage Insulation Tester Typical applications e power cables ISOTest is a field proven high voltage insulation tester Built in e distribution transformers in a rugged carry case it is best suited for harsh industrial en e measuring transducers in distribution networks vironments ISOTest has an analogue scale and a necessary e motors and generators GUARD connection terminal to eliminate insulation surface e railway electric systems etc
9. V shielded test lead with tip 2 m 10 kV shielded test lead set 2 m black red 10 kV alligator set black red Guard test lead 2 m with alligator clip green 6 x 1 2 V NiMH batteries Type D I f H et insulati ing D Testing with TeraOhm on 400 kV switchyard in Diva a SER Ce ANAN Instruction manual Insulation diagnostics with Metrel TeraQhm MI 3200 in 400 kV switchyard had dictated ssp me massa a use of shielded test leads to avoid influence of strong external EM fields on the measuring result N O 0 O O L O O gt N E TeraOhm 5 kV Plus MI 3201 The new TeraOhm 5kV insulation tester has all necessary features for a profound insulation diagnostics Automated calculation of Pl DD and DAR combined with a possibility to perform a step voltage test make the instrument suitable for the most demanding customers and applications Main features e Resistance measuring range up to 10 IO e Test voltage from 250 V to 5 kV adjustable in 25 V steps e Powerful insulation diagnostics tools include Pl DAR and DD measurements e Step voltage test with five discrete test voltages proportionally set within a preset test voltage range e On Line R t graph plotting facility e 5mA charging current e Automatic discharge of tested object after the measurement is completed e Capacitance measurement up to 50 UF Highlights e High level of EM noise protection including built in EM
10. arization Index is a ratio using the insulation readings at the one minute and 10 minute marks This ratio could be trended or compared to a simple table that would provide an indication of the condition of insulation system DAR Dielectric absorption ratio is a similar measurement to the Pl The ratio of two insulation resistances values that are taken at 15 seconds and 1 minute time slots IR Insulation resistance of insulator IEV 151 15 43 resistance under specified conditions between two conductive elements separated by insulating materials DD Dielectric discharge test is a good indication of a level of humidity and dirt or even micro cracks present in the insulation system Step voltage test involves insulation resistance measurement at different test voltages Good insulation will show very little deviation between particular readings In case of micro cracks dirt or humidity in insulation system the insulation resistance decreases with rising test voltage When performing a step voltage test It is important to start with the lowest test voltage and then move to a higher voltage level Typical test duration is 60 seconds Withstanding voltage The voltage applied to insulator which has to be kept without a breakdown Guard Use of a guard terminal eliminates an influence of surface insulation currents on the measuring result and leads the surface current away from the main measuring circuit Guard terminal is to be used in conjunctio
11. filters and shielded test leads delivered in standard set e Programmable timer Technical Specification Insulation resistance Test voltage DC Programmable timer 0 12 MQ 10 TO up to 5kV adjustable in 25V steps 1 s up to 30 min IR Current range 0 55mA Dielectric absorption ratio DAR 0 99 9 Polarization index PI 0 99 9 Dielectric discharge test DD 0 99 9 Step voltage SV up to 5 kV in five steps Capacitance lip to 50 lr Withstanding voltage DC 0 5000 V Voltage 0 600 V AC DC e Withstanding test with programmable insulation leakage current up to 5 mA e Professional Windows compatible PC Software TeraLink PRO with a graph plotting facility as option e Mains or rechargeable battery power supply Typical applications e power transformers e high voltage cables e rotating machines e surge arrestors e measuring transducers Standards applied Instruments operation IEC EN61557 2 Electromagnetic compatibility EN 61326 class B Safety EN 61010 1 instrument EN 61010 031 accessories General Battery power supply Mains power supply Protection classification Overvoltage category Pollution degree Degree of protection Dimensions w x h x d Weight with batteries Visual and sound warnings Display Memory 7 2V DC 6 x 1 2V NIMH IEC LR14 90 260 V AC 45 65 Hz 60 VA CAT III 300 V double insulation CAT IV 600 V 2 IP 44 with case closed S10 x 130 250 i
12. gh quality insulation and voltage tester with excellent price performance ratio Five test voltages up to 5 kV and 1 TQ resistance measuring range cover most of the industrial and power distribution applications Shielded test leads for improved EM immunity and high measuring accuracy are included in the standard set User friendly design is completed with a large LCD display A rugged carrying case provides mechanical robustness needed at the use in harsh environments Main Features e Insulation resistance up to 1102 e Test voltage 250 V 500 V 1 kV 2 5 kV and 5 kV e Pass Fail indication after auto calibration is completed e Automatic Discharge of test object every time after measurement is completed e Guard terminal to eliminate surface leakage current e Mains and rechargeable battery power supply e High quality accessories Technical Specification Insulation resistance 0 12 MQ 1 TQ Voltage 0 600 V AC DC Test voltage DC 250 500 W 1 V 2 5 SV 5 SV Current range 0 5mA Typical applications e rotating machines e transformers e cables e generators e surge arrestors e measuring transducers Standards Instruments operation IEC EN61557 2 Electromagnetic compatibility EN 61326 class B Safety EN 61010 1 instrument EN 61010 031 accessories General Battery power supply Mains power supply Protection classification Over voltage category CAT IV 600 V Dimensions w x h x q 310 x 120 x
13. in 3 kg yes LCD dot matrix with backlight 160 x 116 Non volatile internal memory stores up to 1000 measurements Key Features Handle and shoulder strap make the unit Real time R f t graph plotting facility easy to carry Recommended procedure for testing of insulation with DC high voltage Professional and user friendly insulation testing TeraOhm 5 kV Plus Inregrated memory module stores packed with numerous features for up to 1000 test results complete insulation diagnostics Windows compatible TeraLink PRO PC Software for test data management enables as R f t graph plotting USB and RS 232 COM ports for downloading USB and RS232 COM ports for connecting the instrument to the PC Guard connection terminal to eliminate the influence of surface insulation currents Ordering information Standard set MI 3201 Instrument TeraOhm 5 kV Plus Carrying bag Mains cable 10 kV shielded test lead set 2 m black red 10 kV alligator set black red Test lead with alligator clip 2 m green 6 x 1 2 V NiMH batteries C type Handbook Guide to modern insulation testing on CD Instruction manual Product verification data N O 0 O O L O O gt N E TeraOhm 5 kV MI 2077 Advanced field proven instrument Technical demands require high performance measuring instruments capable of measuring polarization index PI dielectric absorption ratio
14. n with shielded test leads when measuring insulation resistances in GQ and TQ range Leakage AC or DC that flows trough or on the insulation s surface Note Photographs in this catalogue may slightly differ from the instruments at the time of delivery Subject to technical change without notice METREL Measuring and Regulation Equipment Manufacturer METREL d d Ljubljanska 77 SI 1354 Horjul Tel 386 0 1 75 58 200 Fax 386 0 1 75 49 226 E mail metrel metrel si Wy 2 W http www metrel si 2008 oktober ang j D Dolinar Ko evski tisk
15. tance DC voltage 3 MQ Input resistance AC voltage 1 35 MQ Scale linear 90 mm Accuracy 2 of full scale 10 Comparison table Instruments TeraOhm 10 kV TeraOhm 5 kV Plus Ordering No MI 3200 MI 3201 TeraOhm 5 kV MI 2077 MI 3202 Main features MA 2060 ne Test voltage range 500 V 10 kV 250V 5kV 250 V b kV 250 V b kV 250 V 5 kV Step 25 V Step 50 V Preset e e e e e Insulation resistance range 10 TO 10 LO 5 TQ 1 O 500 GO Graph insulation resistance R t Voltage range 0 600 V AC DC 0 600 V AC DC 0 600 V AC DC 0 600 V AC DC 0 600 V AC DC Timer Capacitance measurement Diagnostics tests Pl DAR DD o Step voltage DC withstanding test e Optional Accessories Accessories decription 6 x 1 2 V NiMH batteries C type N lt 2 6 x 1 2 V NIMH batteries D type PC SW TeraLink with RS232 cable Calibration unit USB RS232 converter with 1m fixed cable PC SW TeraLink with USB and RS232 cable PC SW TeraLink PRO with USB and RS232 cable High voltage cable set 10 kV shielded test lead 8 m 10 kV shielded test lead 15 m 10 kV alligator set 5 kV shielded test lead 8 m 5 kV shielded test lead 10 m 11 PI Pol
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