Megger MIT1020/2 User Manual Download Page 2 | Manualshive

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MIT1020/2

10kV Digital Insulation Tester

USER MANUAL

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Summary of Contents for MIT1020/2

Page 1: ...ess underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demo...

Page 2: ...M MIT1020 2 10kV Digital Insulation Tester USER MANUAL...

Page 3: ...manner possibly causing a loss of display while the circuit remains energised In this event the unit must be turned off and the circuit discharged manually n Test leads including crocodile clips must...

Page 4: ...circumstances Failure to follow these instructions could result in damage to the instrument and or a hazard to the operator The word should is used to indicate that the instructions indicate best prac...

Page 5: ...instrument performs automatic tests and has data storage and data retrieval facilities Polarization index and dielectric discharge tests are performed automatically and test duration and voltages can...

Page 6: ...on table Connection UK International USA Earth Ground Yellow Green Green Neutral Blue White Live Line Brown Black If using a fused plug ensure that it is fitted with a 3 Amp fuse The instrument can be...

Page 7: ...dicator Alarm Data recording Test modes Voltage at terminals Battery level Breakdown indicator High voltage warning indicator High voltage warning indicator Analogue display Timers Main T1 T2 Dielectr...

Page 8: ...es between insulation resistance and current Power On Off button The instrument will only turn on if this button is pressed held and then released when the display responds The instrument will not tur...

Page 9: ...ry display initially shows the PI polarity index DAR dielectric absorption ratio and on completion of the test the TC time constant and capacitance measurements Toggling the display shows insulation r...

Page 10: ...ndition test runs for longer than 10 minutes as this is required for a PI reading Figure 2 The result of a polarity index test PI Test settings T1 and T2 times set in order to measure the DAR Test con...

Page 11: ...the test mode Modes of test to be chosen from include an insulation resistance IR test a polarization index PI test a step voltage SV test and a dielectric discharge DD test The insulation resistance...

Page 12: ...instrument now displays clr to indicate clear mode Press and hold down test button until clear process begins shown by analogue display lighting anti clockwise Press the MODE button to exit without d...

Page 13: ...terminal For basic insulation tests and where there is little possibility of surface leakage affecting the measurement it is unnecessary to use the guard terminal i e if the insulator is clean and th...

Page 14: ...lt to that selected in the previous test If the instrument has been switched off since the previous test the test voltage defaults to 250 V If there is an external voltage greater than 80 V present th...

Page 15: ...voltage in test voltage in test voltage in test voltage in major steps major steps minor steps minor steps IR only IR only Vs AND Vt Sets voltage Show set to 500V voltage Ts Tt Increase Display set ti...

Page 16: ...ments and can provide accurate measurements with up to 4mA of noise current present A level of noise exceeding the instruments specified capability will be indicated by an alternating sine wave on the...

Page 17: ...ent symbol PI On completion of the test the instrument will display the insulation resistance recorded at 1 minute and 10 minutes under the segment symbols 1m and 16 TEST MODE SUMMARY 10m Pressing the...

Page 18: ...limits of 10 k and 35 T Release the function button to save the current limit Adjusting the alarm threshold level automatically activates the alarm limit mode This is indicated by the A symbol turning...

Page 19: ...leads are reasonably clean and dry The guard lead can be used to remove the effects of surface leakage if necessary When measuring resistances above 100 G the test leads should not be allowed to touc...

Page 20: ...ads are available as an optional accessory from Megger The lead to the negative terminal is fully screened The screen is plugged into the Guard terminal diverting any stray leakage currents This consi...

Page 21: ...t accuracy 23 C 5 5 nF Voltage output accuracy 0 C to 30 C 4 0 10 V of nominal test voltage at 1 G load Current measurement range 0 01 nA to 5 mA Current measurement accuracy 23 C 5 0 2 nA at all volt...

Page 22: ...ips 1002 534 Optional Accessories HV test lead sets 3 x 3 m with un insulated small clips 8101 181 3 x 8 m with un insulated small clips 8101 182 3 x 15 m with un insulated small clips 8101 183 3 x 5...

Page 23: ...PA 19403 England U S A Tel 44 0 1304 502 243 Tel 1 610 676 8579 Fax 44 0 1304 207 342 Fax 1 610 676 8625 Megger operate fully traceable calibration and repair facilities ensuring your instrument conti...

Page 24: ...ttery charge level indicator will need to calibrated to the new battery s characteristics End of life disposal WEEE The crossed out wheeled bin placed on the Megger products is a reminder not to dispo...

Page 25: ...723 2861 USA ONLY T 1 214 333 3201 F 1 214 331 7399 E ussales megger com Megger Z A Du Buisson de la Couldre 23 rue Eug ne Henaff 78190 TRAPPES France T 33 0 1 30 16 08 90 F 33 0 1 34 61 23 77 E infos...

Page 26: ...uipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentat...

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