Megger 1012-280 User Manual Download Page 51

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DLRO2 and DLRO2X

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Summary of Contents for 1012-280

Page 1: ...DLRO2 and DLRO2X Ducter Low Resistance Ohmmeter 2 A User Guide...

Page 2: ...ecification of its products from time to time without notice Although every effort is made to ensure the accuracy of the information contained within this document it is not warranted or represented b...

Page 3: ...Limited described in this user guide is in compliance with Directives 2014 30 EU and 2014 35 EU where they apply The full text of Megger Instruments EU declarations of conformity are available at the...

Page 4: ...ument Layout DLRO2 13 3 2 Instrument Rotary Control DLRO2 14 3 3 Instrument Rotary Control DLRO2X 14 3 4 Instrument Display 16 3 5 Leads power and USB connections 17 3 6 The Difference Meter 17 4 Sett...

Page 5: ...idirectional test 33 7 2 3 After the test 33 8 Tests Long leads mode 34 8 1 Long leads mode auto and manual start 34 8 1 1 For manual mode 35 8 1 2 For auto mode 35 9 Noise rejection mode DLRO2X only...

Page 6: ...placement 46 12 4 1 Replace batteries and remove isolation tab 46 12 5 Restore Factory Settings 47 13 Specifications 48 14 Accessories and Equipment 50 14 1 Included Accessories 50 14 2 Optional Acces...

Page 7: ...ge 10 NOTE This user guide includes instructions for all DLRO2 variants Some facilities may not be available on your model of this equipment 1 2 Features Noise rejection mode DLRO2X only Refer to 9 Te...

Page 8: ...istance between wing tip to ground connection at base using long test leads Optional long cable reel test leads are available Rail Tram and Underground rolling stock and infrastructure track high curr...

Page 9: ...Occasionally an information bulletin may be issued via the Megger web site This may concern new accessories new usage instructions or a software update Please occasionally check on the Megger web sit...

Page 10: ...e reference WARNING This instrument must be operated only by suitably trained and competent people Protection provided by the instrument may be impaired if it is not used in a manner specified by the...

Page 11: ...f the test leads before use The safe maximum limit of a measurement connection is that of the lowest rated component in the measurement circuit formed by the instrument test leads and any accessories...

Page 12: ...the display Icon Warning Description External Voltage Warning If an external voltage is applied between the terminals and the instrument is set to ON the external voltage warning will flash on the di...

Page 13: ...0 12 Item Description Item Description 1 External electrical connections Refer to 3 5 Leads power and USB connections on page 16 10 Attachment point for strap 2 Display 11 Battery cover 3 Soft keys mu...

Page 14: ...ions 1 Inductive mode 4 Long leads mode 2 Normal resistance mode 5 Settings mode grey 3 Off position 3 3 Instrument Rotary Controls DLRO2X 3 2 5 7 4 1 6 Item Description Item Description Rotary switch...

Page 15: ...s functions dependant on rotary selection switch position 2 Operating mode 12 Secondary field 3 Primary field 13 C continuity indicator 4 Latest result 14 Forward measurement result 5 Battery conditio...

Page 16: ...sts Noise rejection mode DLRO2X on page 37 3 5 Leads power and USB connections Slider to front Slider to back 1 7 2 3 1 7 4 6 5 Item Description Item Description 1 Rear attachment point for strap 4 Sl...

Page 17: ...ting pressing the TICK button sets the latest reading as the reference reading and cancels all other readings recorded on display including those on the Difference Meter and the secondary field 3 2 1...

Page 18: ...he first 1000 in this case showing an increase The 1000 difference shows clearly that something isn t right Check the leads connections unit under test etc NOTE The units on the main display have chan...

Page 19: ...ery Replacement on page 46 4 2 2 Turn the instrument on and off 1 Turn the instrument ON by rotating the rotary switch to the required operating mode away from the OFF position 2 Turn the instrument O...

Page 20: ...Lower Test Limit and click the TICK button to select 2 Use the soft keys 1 or 4 to move the selector left or right to choose the Units of measurement and the limit required Use the up and down arrows...

Page 21: ...isual and audible warning will appear on the display This can be set to three settings 1 Off shown 2 Visual warning 3 Visual and audible warning When the visual warning is activated an eye symbol will...

Page 22: ...used to save results or a new one can be created 2 To create a new Asset ID click the key 3 Use the soft keys to move the cursor around the keyboard and click the TICK button to select 4 Press SAVE a...

Page 23: ...1 To save your test results when the test has completed press the SAVE button 2 On the Data storage page use the soft keys to select the Asset ID that you require the results to be added to and click...

Page 24: ...set ID 2 Before starting the test press the SAVE button The Auto Save icon will appear at the top of the screen 3 Run the test and the results will automatically be saved to the previously selected As...

Page 25: ...the Asset ID that you want to open and click the TICK button 2 Select the date of the test results that you want to review 3 Select the type of test from the list 4 Choose the time that the test was...

Page 26: ...d before any stored charge has been discharged at the end of the test Failure to comply with these instructions might result in an arc being produced which might be dangerous for the instrument and th...

Page 27: ...the TEST button The animated chevron sequence will be displayed during the pre charge phase of the measurement to be replaced by resistance and current values updating as the instrument auto ranges Re...

Page 28: ...unit under test C and P indicators show red background with for no continuity or green background with for good continuity Proceed when both show The continuity indicators are active during the test a...

Page 29: ...stable measurement is achieved at which point the instrument will automatically stop the test The test can also be stopped at any time by pressing the TEST button After the test the Difference Meter r...

Page 30: ...position NOTE To AUTO SAVE results click the SAVE button now Refer to 5 Data storage DLRO2X only on page 22 OR Resistance test screen appears Auto start Bidirectional Resistance Mode or Auto start Un...

Page 31: ...and P continuity indicators will be grey if continuity was maintained This indicates the C or P lead must be disconnected and reconnected to restart the test Note Test button will start another test S...

Page 32: ...ey 1 toggles continuous single test Soft keys 2 3 cycles through current ratings default is 2 A selectable 1 A 100 mA 10 mA 1 mA Soft key 4 is only active in bidirectional resistance mode and toggles...

Page 33: ...l a new result is ready The soft keys will not operate during this test 7 2 3 After the test For a single test the result is displayed constant in the main field Click SAVE now if you wish to record y...

Page 34: ...e set to single measurement 1 A with previous 2 results displayed 8 1 Long leads mode auto and manual start 1 Turn rotary switch to select the long leads mode either MANUAL or AUTO position NOTE To AU...

Page 35: ...r previous results will flash until a new result is ready For a single test the result is displayed constant in the main field No latest results are displayed in the secondary field unless multiple te...

Page 36: ...ld No latest results are displayed in the secondary field unless multiple tests have been made in this sequence NOTE The TICK button will clear the previous results in the secondary fields Two previou...

Page 37: ...inimum current is 1 A Restricted to single tests In high noise mode all soft keys are inactive The test is pre set to single measurement 1 A with previous 2 results displayed 9 1 Confidence Meter 1 If...

Page 38: ...ll read 100 The test leads can be disconnected and the results can be saved by clicking the SAVE button When confidence reaches 100 the measurement will stop and the instrument will apply a discharge...

Page 39: ...en voltage goes 4 3000 Logged only errors No user intervention 10 2 On screen error messages 10 2 1 Error screen A 1 Error code 2 Error text where applicable explains what went wrong Remove the messag...

Page 40: ...ween yellow and white using the tick button Backlight Timer Use soft keys 2 and 3 to select from off up to 60 seconds default is 20 seconds Battery Technology Toggle between NiMH and alkaline using th...

Page 41: ...distinguish between green and red but can between blue and red 1 The Pass Colour can be changed to Blue which is easier to read by colour blind users Select Pass Colour on the Settings menu and press...

Page 42: ...mer Set to either 0 20 secs or 60 secs before backlight dims Sleep Timer Press the tick button and navigate using soft keys 2 and 3 Use the tick button to set 11 4 Language settings Switch the rotary...

Page 43: ...the DLRO2 with the firmware update file in the root directory The DLRO2 will automatically update when the instrument is turned on if a firmware update file is found on the USB flash drive 1 Plug the...

Page 44: ...e 28 To help maintain the health reliability and longevity of the installed batteries Ensure if using rechargeable batteries they are fully charged before use charger supplied Store batteries in a coo...

Page 45: ...rechargeable When charging the DLRO2 while the instrument is OFF an animated battery will display across the screen to show charging is taking place Once the battery is fully charged the screen will d...

Page 46: ...the DLRO2 for the first time remove and discard the battery isolation tab 3 1 Remove the test leads and ensure the DLRO2 is switched off 2 Slacken one captive cross point screw 1 which is centred at...

Page 47: ...en created WARNING Resetting the device will DELETE all stored results Back up all results to USB stick and remove the USB stick before continuing to reset the unit 1 Hold the TICK button for 3 second...

Page 48: ...stance of inductive loads Overall resistance range 1 2000 Max resistance across C terminals 2 A with up to 1 1 total resistance and 1 A with up to 3 2 total resistance Basic accuracy Bi directional te...

Page 49: ...DATA STORAGE Total maximum test measurement records 8 million Maximum Asset ID references 256 Maximum test measurement records per asset per day 256 Note continuous tests will contain multiple test m...

Page 50: ...1012 068 Soft pouch 1012 063 14 2 Optional Accessories Item Order No Test leads Set of 4 Kelvin probe pins Replacement probe tips 1012 064 4 right angled adaptors to allow hook terminated E g KC100 le...

Page 51: ...e that you have the most recent version available Visit megger com powerdb The latest edition will be at the top Click the download button beside the file This will ask if you want to open or save the...

Page 52: ...s shown above The following information is to be provided to enable the Service Department to prepare in advance for receipt of your instrument and to provide the best possible service to you Model fo...

Page 53: ...company or distributor or visit your local Megger website 16 2 Battery disposal The crossed out wheeled bin symbol placed on a battery is a reminder not to dispose of batteries with general waste when...

Page 54: ...1 USA only T 1 214 333 3201 F 1 214 331 7399 E USsales megger com Megger AB Rinkebyv gen 19 Box 724 SE 182 17 DANDERYD T 46 08 510 195 00 E seinfo megger com Megger USA Fort Collins 4812 McMurry Avenu...

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