Megger ME1000351 User Manual Download Page 37

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21. Accessories

Includes accessories

2 wire test lead set and crocodile clips

6220-813

SP5 Remote switch probe (not MIT400, 405, 40X, 480)

6220-812

Owner’s

information

CD 6172-965

Calibration certificate

Quick

start

guide

5270-923

Rubber

boot

6231-802

Instrument

case

5410-420

Additional in MIT430 and MIT485

Download

Manager

6111-442

Optional accessories and replacements

Fused 2 wire test lead set and crocodile clips

6220-789

Bluetooth

Module qualifications details

Bluetooth

identifier: B02872

QPLN Reference: Q11406_WT12_SGS

“Contains Transmitter Module FCC ID: QOQWT12”

The Bluetooth word mark and logo are owned by the Bluetooth SIG, Inc. and any use of such marks by
Megger is under license.

Summary of Contents for ME1000351

Page 1: ...M MIT400 Series Insulation and continuity testers USER GUIDE...

Page 2: ...ontinuity testing and buzzer 18 12 Resistance measurements k Range 19 13 Capacitance measurements 20 Capacitance measurement procedure 20 Distance measurement by capacitance 20 14 Setup options 21 15...

Page 3: ...ty warnings and instructions before attempting to use the instruments This user guide describes the operation and functions of the MIT400 series of insulation and continuity test instruments These ins...

Page 4: ...if any part of it is damaged 7 All test leads probes and crocodile clips must be in good order clean and with no broken or cracked insulation 8 Ensure that hands remain behind guards of probes clips...

Page 5: ...e test lead probes also observe voltage discharges to a safe level On battery cover see section 2 0 notes 10 and 11 At terminals do not exceed rated input voltage Equipment protected throughout by Dou...

Page 6: ...ce any delays in supporting you should the need arise 4 2 Case contents all instruments 1 x MIT400 series instrument 1 x Hard carry case 1 x Red black test lead set with clips 5 x AA LR6 batteries fit...

Page 7: ...t the test leads prods and crocodile clips to confirm that their condition is good with no damaged or broken insulation 2 Check continuity of the test leads by firmly shorting the leads together and r...

Page 8: ...test protecting your instrument from damage Note This limit is increased on MIT480 MIT481 and MIT485 to 75 V but a warning buzzer will indicate voltages above 50 V Use extreme care when using or measu...

Page 9: ...ad null Insulation lock button Function buttons Battery internal fuse access panel at rear Result recall and transfer Insulation test ranges OFF positon Resistance ranges Capacitance F Insulation PI t...

Page 10: ...e if a voltage greater than 25 V exists testing will be automatically inhibited and voltage measurement will be displayed 6 4 Backlight operation All instrument displays are backlit The backlight func...

Page 11: ...te hands free testing and increases user safety 1 Connect the SP5 probe to the instrument using the special 3 pole ve socket in place of the RED test lead 2 Select a suitable insulation resistance ran...

Page 12: ...ed 4 The measured voltage will be displayed on the main digital scale in units of V or mV as appropriate In TRMS mode the measured frequency Hz will be simultaneously displayed on the MIT410 MIT420 MI...

Page 13: ...e instrument ON by rotating the selector switch to the desired test voltage 50 V 100 V 250 V 500 V or 1 kV 3 Press and hold the TEST button to start the test 4 The insulation resistance value in both...

Page 14: ...igned t2 i e after 1 minute and 10 minutes PI 10 minute value 1 minute value c Dielectric Absorption Ratio DAR DAR is the ratio between the insulation resistance values at 30seconds assigned t1 and at...

Page 15: ...ther 50 V 100 V 250 V 500 V or 1 kV 3 Select the timed test t by pressing PI DAR t function button repetitively until the desired function is displayed Note the test type defaults to insulation resist...

Page 16: ...ne minute a test result is stored t1 After 10 minutes a second test result is stored t2 The resultant ratio is then displayed on the screen The same procedure applies for the D DAR timed tests however...

Page 17: ...selected the actual voltage at the probe tip will be within the stated tolerance of 1 V The MIT40X is supplied with a default setting of 10 V This can be adjusted in the setup procedure between 10 V...

Page 18: ...able disable the audible buzzer function When enabled the sounder symbol will be shown on the screen display The pass threshold is set to 2 by default but is adjustable as defined in Setup see section...

Page 19: ...ements k Range Except MIT40X and MIT480 Test procedure refer to Figure 10 Figure 10 Resistance k range 1 Turn the instrument ON by rotating the selector switch to the desired k position 2 Connect the...

Page 20: ...ds to the isolated conductors under test 3 Observe the test result displayed automatically 13 2 Distance measurement by capacitance 4 For the MIT481 and MIT485 instrument only cable length is also be...

Page 21: ...m continuity short circuit current 200 mA 20 mA 200 mA default 200 mA All InS Sets low threshold for insulation test buzzer in Mohms Buzzer sounds is result is more than set value 0 5 M 0 5 1 2 5 10 2...

Page 22: ...tion to be changed is displayed press and hold the TEST button to change the value Each subsequent press increments the limit Holding down the TEST button will automatically increment 4 Changing a val...

Page 23: ...n of a particular measurement ensure the test result is displayed on the instrument display refer to Figure 13 Screen A The test result will remain displayed for one minute during which time the resul...

Page 24: ...ss OK to select 4 The test result will be displayed Additional information stored with the test result may be viewed using the relevant button For example on insulation test A can be recalled using th...

Page 25: ...ed 2 Locate the particular test result identification number by using the and buttons then press OK to select 3 The test result will be displayed To scroll through the different measurements used in c...

Page 26: ...g the selector switch to the delete DEL position 2 The latest test result will be displayed Where no results have previously been stored the display will indicate this by three dashes 3 Press OK to de...

Page 27: ...lay will indicate this by three dashes 2 Press next button Note that the display now indicates ALL 3 Press OK to delete all the test results Note the progress bar decays as the contents of memory are...

Page 28: ...Bluetooth configuration The preferred method is to Pair F From the MIT430 MIT485 T To the PC As described in in detail below Users familiar with Bluetooth devices may wish to Pair F From the PC In thi...

Page 29: ...ay The partial address of the last detected device will be shown on the auxiliary display 4 Use the keys to scroll round and locate the address that matches the required one shown on Download manager...

Page 30: ...ay also need to accept other message prompts that may be displayed as part of this setup sequence If you get a message bubble or prompt asking you to accept a serial port connection then click and acc...

Page 31: ...he Megger MIT430 MIT485 icon c Click on the download button d Switch the instrument to the SND position to initiate the communications port and start the download The download may take a few seconds t...

Page 32: ...f the test leads are connected 2 Switch off the instrument and disconnect the instrument from any electrical circuits 3 To avoid the possibility of electric shock do not press the test button or touch...

Page 33: ...t not be opened if test leads are connected Follow the same procedure as for battery replacement A replacement fuse m must be of the correct type and rating i e 500 mA FF H B C 50 kA min 1000 V 32mm x...

Page 34: ...current 2 mA 0 50 Terminal voltage 0 20 1 V Ii 1 mA Test current on load 1 mA at min pass value of insulation specified in BS7671 HD384 and IEC364 EN61152 2 2 mA max EN61557 operating range 0 10 M to...

Page 35: ...1 digit 100Hz to 400Hz Capacitance measurement MIT420 MIT430 MIT481 and MIT485 Measurement range 100 pF to 10 F Accuracy 5 0 2 digits Distance by capacitance MIT420 MIT430 MIT481 MIT485 Arithmetic con...

Page 36: ...cts Temperature coefficient 0 1 per C up to 1 G 0 1 per C per G above 1 G Environmental Operating range 20 C to 55 C Operating humidity 95 RH at 0 C to 35 C 70 RH 35 C to 55 C Storage temperature rang...

Page 37: ...02 Instrument case 5410 420 Additional in MIT430 and MIT485 Download Manager CD 6111 442 Optional accessories and replacements Fused 2 wire test lead set and crocodile clips 6220 789 Bluetooth Module...

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