Megger DLRO-10 User Manual Download Page 1

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DLRO10 and DLRO 10X

Digital Low Resistance Ohmmeter

User Guide

DLRO10 and DLRO10X

Digital Low Resistance Ohmmeter

Summary of Contents for DLRO-10

Page 1: ...DLRO10 and DLRO 10X Digital Low Resistance Ohmmeter User Guide User Guide DLRO10 and DLRO10X Digital Low Resistance Ohmmeter...

Page 2: ...ltage Warning 8 4 4 Discharge Current Warning 8 4 5 The Menu 8 4 6 Test Menu 9 4 7 Options Menu 9 4 7 1 Retrieve 9 4 7 2 Download 10 4 8 Passbands 10 4 9 Set Clock 11 4 10 Delete Data 11 4 11 Storage...

Page 3: ...8 7 3 1 Standard Charging 18 7 3 2 WARNING 18 8 SPECIFICATIONS 19 9 TROUBLE SHOOTING 21 10 ACCESSORIES 22 11 REPAIR AND WARRANTY 24 11 1 Instrument Repair and Spare Parts 24 11 2 Approved Repair Compa...

Page 4: ...to achieve this For testing large inductive resistances the current carrying leads should be connected securely to the item under test before starting the test It is not recommended that duplex handsp...

Page 5: ...ectrical outlets CAT IV Measurement category IV Equipment connected between the origin of the low voltage mains supply and the distribution panel 1 1 Symbols used on the instrument G Caution Refer to...

Page 6: ...at the back and held closed by magnetic catches covers the top panel This lid may be removed if required by opening fully and snapping out of its hinges Both instruments are protected against accident...

Page 7: ...he lamp will not operate if the instrument is turned off The I lamp will light if a current greater than 1 mA is still flowing after a test is completed This suggests that an inductive load has been t...

Page 8: ...measurement cannot be made if any of these messages is visible on the display 4 3 3 External Voltage Warning If external voltage is applied to the terminals a message EXT VOLTS will flash on the displ...

Page 9: ...mode 4 7 Options Menu The Options menu has five options that are not related to each other as shown below There is a quick access menu that can be accessed using the numbers keys as follows 0 Retriev...

Page 10: ...on allows you to set upper and lower limits between which the test result average must fall if it is to be signalled as a Pass GREEN Readings outside these limits will be signalled as a Fail RED Set t...

Page 11: ...o clear DLRO10X s memory of stored data In case you have selected this Option by accident you will be asked to confirm that you wish to delete the data the default is NO Change this to YES and press E...

Page 12: ...is automatically limited to 1A When Battery level is low 10 the maximum test current is automatically reduced by one level and will be further reduced when a test has to be abandoned because the batt...

Page 13: ...he test number to 1 4 15 Keypad Operation The 12 key keypad is similar to those used on mobile telephones in that each key is capable of producing one of several characters depending on the number of...

Page 14: ...ts on loads that exhibit an inductive component using the test mode indicated by the inductor symbol on the DLRO10 or by using the inductive mode on the DLRO10X When measuring inductive loads it is es...

Page 15: ...as shown in the next section Testing Using Duplex Handspikes or Individual Leads One of the DH4 handspikes is fitted with two lamps marked L1 and L2 and an extra lead This lead should be plugged into...

Page 16: ...two measurements Both measurements are displayed by DLRO 10X along with the average while the DLRO 10 displays the average only If the combined resistance of the current leads and test sample is grea...

Page 17: ...e retaining clips and pull the top of the clip away from the instrument body The module now unplugs from the base of the instrument Plug in the charger or connect to a 12 volt vehicle type battery usi...

Page 18: ...Charging The battery module is charging at its standard rate Fast Battery state flashing during charging indicates temperature fault 7 3 2 WARNING Connecting to greater than 15 volts can cause perman...

Page 19: ...e and Safety LED Indication Measurement Mode Manual Auto Continuous Inductive Manual Auto Continuous Inductive Unidirectional Control Fully Automatic Fully Automatic with manual override of maximum cu...

Page 20: ...to 122 F at reduced accuracy Storage 30 C to 70 C 22 F to 158 F Calibration 20 C 68 F Coefficient 0 01 per C from 5 C to 40 C 0 006 per F from 41 F to 104 F Standard charging 0 C to 40 C 32 F to 104...

Page 21: ...RR 114 Checksum Failure in EEPROM Calibration constants have been lost The DLRO will continue to work but the accuracy can now not be guaranteed At switch on the display will show the software version...

Page 22: ...3 172 DLRO10LPU UK Mains Line Power Unit UK plug 1003 093 DLRO10LPU US Mains Line Power Unit US plug 1003 171 DLRO10LPU line power unit The DLRO10 and DLRO10X may be also powered from an optional main...

Page 23: ...06 18 9 m 30 ft 242006 30 Single Leads Single handspikes 2 for potential measurement 2 m 7 ft 242021 7 5 5 m 18 ft 242021 18 9 m 30 ft 242021 30 Current clips 2 for current connections 2 m 7 ft 242041...

Page 24: ...r Repair If returning an instrument to the manufacturer for repair it should be sent freight pre paid to the appropriate address A copy of the Invoice and of the packing note should be sent simultaneo...

Page 25: ...cell is located behind the display Dispose of in accordance with local regulations The lithium ion is classified as an industrial battery For disposal in the UK contact Megger Ltd For disposal of batt...

Page 26: ...USA T 800 723 2861 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...