Auto-Ohm 200 S3 / DMOM-200 S3 / DMOM-600
Contents
1. Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 Press the STOP key to return to the START UP menu Press the v key The test record details will be displayed as shown below Press the STOP key to return to the START UP menu 2 PRINTTO PRINTER Press the 2 key PRINT TO PRINTER to print the test results on the unit s built in thermal printer The test results will be printed and you will be returned to the START UP menu REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL 3 5 2 Saving Test Results to a Test Record After performing a test the user is presented the option to save the test results to the unit s Flash EEPROM or to a USB Flash Drive If the test results are not saved immediately after performing a test they will still remain in the working memory and can be saved later as long as a new test has not been performed and the unit has not been turned off Follow the steps below to save the test results from the working memory to a test record the following procedure can also be used to re save a restored test record to a new memory location or to a USB Flash Drive a Performatestor restore a test record to the working memory see section 3 5 3 and 3 5 4 and then start from the START UP menu Press the 2 key SETUP b The following screen will be displayed Press the 3 key SAVE RESTORE RECORD c The following screen will b2. RESTORE RECORD L EHTER RECORD HUMBER 2 SCROUC TO SELECT If you have a USB Flash drive inserted in the unit s USB MEM port the following screen will be displayed instead of the above screen NOTE 1 IMNTERM amp L STORAGE 2 THUME DRIVE Press the 1 key INTERNAL STORAGE The following screen will be displayed RESTORE RECORD 1 EHTER RECORD HUMBER 2 SCROLL TO SELECT Continue with the steps below 1 ENTER RECORD NUMBER Press the 1 key ENTER RECORD NUMBER if you know the record number that you would like to restore 1 1 The following screen will be displayed RESTORE RECORD HUMBER Type the record number using the alpha numeric keypad and then press the ENTER key i IR REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL 1 2 The following screen will be displayed RECORD RESTORED REVIEM RECORD dl vES Za HO Press the 1 key YES to display the test record 1 3 The basic information about the restored test record will be displayed as shown Bie i ll ATi qiz HUM TESTS 1 Press the v key The test record details will be displayed as shown TEST HUMBER 1 TEST CURRENMT ZIA RAMP SS BURM SS CUR 25 810 RES 497 UO Press the STOP key to return to the START UP menu The restored test record will remain loaded in the working memory 2 SCROLL TO SELECT Press the 2 key SCROLL TO SELECT to scroll
3. b The following screen will be displayed RECORD ID REVIEW RECORD SAYE RESTORE RECORD SET MIME SET LANGUAGE Press the 3 key SAVE RESTORE RECORD c The following screen will be displayed a RESTORE RECORD SAVE RECORD RECORD DIRECTORY ERASE RECORD a CORY TO THUME DRIVE Press the 5 key COPY TO THUMB DRIVE REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL d The following screen will be displayed COPY REC TO THUME DEN 1 COP SINGLE RECORD 2 COPY ALL RECORDS 1 COPY SINGLE RECORD Press the 1 key COPY SINGLE RECORD to copy a single test record from the unit s Flash EEPROM to the connected USB Flash drive The following screen will be displayed ENTER RECORD HUMBER TO COPY TO FLASH DRY HUMBER Type the record number using the alpha numeric keypad and then press the ENTER key The test record will be copied to the USB Flash drive and the following screen will be displayed REC 813 SAVED TO THUMB DRIVE Press any key to return to the START UP menu Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 2 COPY ALL RECORDS Press the 2 key COPY ALL RECORDS to copy all test records from the Auto Ohm s Flash EEPROM to the connected USB Flash drive All test records will be copied from the unit to the connected USB Flash drive The following screen will be displayed when the process is fin
4. and DMOM 600 operate on voltages between 120 240 Vac 50 60 Hz 2 2 LCD Screen Contrast Control To increase the LCD screen contrast press and hold the A key for two seconds Release the button when the desired contrast level has been reached To decrease the LCD screen contrast press and hold the v key for two seconds Release the button when the desired contrast level has been reached 2 3 Safety Ground Always ground the Auto Ohm S3 to the substation ground before connecting test cables to the circuit breaker 2 4 Printer Paper DMOM 200 S3 and DMOM 600 Only The DMOM 200 S3 and DMOM 600 s built in thermal printer uses 2 5 inch wide thermal paper for printing test results To maintain the highest print quality and to avoid paper jams the use of thermal paper supplied by Vanguard Instruments Company is highly recommended Additional paper can be ordered from the following sources Vanguard Instruments Co Inc 1520 S Hellman Avenue Ontario CA 91761 Tel 909 923 9390 Fax 909 923 9391 Part Number VIC TP 3 paper BG Instrument Co 13607 E Trent Avenue Spokane WA 99216 Tel 509 893 9881 Fax 509 893 9803 Part Number VIC TP 3 paper Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 3 0 OPERATING PROCEDURES 3 1 Connection Diagrams 100000200000 TOYO jHIWVSS WOMEN MOOS Figure 8 Typical Auto Ohm S3 Connection Diagram 008000000008 JA
5. to print the test results on the unit s built in thermal printer sample test results printouts are shown in Figure 10 and Figure 11 The following screen will be displayed KEEF THIS READING LES 2 HO Press the 1 key YES to save the reading If you had saved a test reading before the current test the data will still be in the unit s working memory The following screen will be displayed PREVIOUS DATA IH BUF APPEHD PREY DATA 2 CLEAR PREV DATA 3 SAVE PREY DATA AND START HEH RECORD 3 APPEND PREV DATA Press the 1 key APPEND PREV DATA to append the current test reading to the previous test record 4 CLEAR PREV DATA Press the 2 key CLEAR PREV DATA to erase the previous reading from the test record and replace it in the working memory with the current test reading 5 SAVE PREV DATA AND START NEW RECORD Press the 3 key SAVE PREV DATA AND START NEW RECORD to save the previous test reading in a test record and then create a new test i IR REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL The following screen will be displayed Press any key to continue The following screen will be displayed Press the 2 key NO The following screen will be displayed Press the 1 key YES to save the test record The following screen will be displayed Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 SAVE INTERMALL SAVE TO THUMB D
6. Record From a USB Flash Drive iii 45 3 5 5 Copying Test Records to a USB Flash Drive cccssccccssssececeesseeeeessseeeessseeeeeeeees 48 3 5 6 Viewing the Test Record DIrectory i 51 3 5 7 Erasing Test Records from the Flash EEPROM 53 3 5 8 Erasing Test Records from a USB Flash DrIVe i 58 4 0 Getting the Latest Firmware Software and ManualSs ii 61 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 LIST OF TABLES Table 1 Auto Ohm 200 S3 Technical SpecificatiOnS 9 Table 2 DMOM 200 S3 Technical Specifications 10 Table 3 DMOM 600 Technical Specifications 11 LIST OF FIGURES Figure 1 Furnished Current and Sense Combination Cables 7 Figure 2 Furnished Current Cable and Sense Cables for DMOM 600 7 Figure 3 Optional Cable with C Clamp ssciicar a e a 8 Figure 4 Optional Hand Spike ria 8 Figure 5 Auto Ohm 200 S3 Controls and Indicators i 12 Figure 6 DMOM 200 S3 Controls and Indicators uccisi 13 Figure 7 DMOM 600 Controls and Indicators 14 Figure 8 Typical Auto Ohm S3 Connection Diagram i 16 Figure 9 Typical Auto Ohm S3 Connection Diagram with Dual Ground Option 16 Figure 10 Sample DMOM 200 S3 DMOM 600 Printout i 32 Figure 11 Sample DM
7. of 100 120 Vac the maximum recommended test current is 300A NOTE If you had selected the normal test mode continue to step e If you had selected the automatic test mode continue to step f For an automatic test the burn in time is 5 seconds and cannot be changed NOTE i E REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL e The following screen will be displayed Select the burn in time by pressing the corresponding numeric key on the keypad f The following screen will be displayed Select the ramp time by pressing the corresponding numeric key on the keypad Ramp Time Burn in Time Ramp Time Test Current Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL g The test parameters summary screen will be displayed as shown below TEST PARAMETERS CURRENT 56 AMPS BURH IH AUTO RAMP SaR START TO RUM TEST Press the START key to start the test h The following screen will be displayed temporarily AUTO TEST MODE The screen will be updated as shown below while the current is being ramped up RAMPIHNG CURRENT 12 30A 2T TEST IH PROGRESS Once the current is ramped up to the selected test current the initial test results will be displayed and the burn in sequence will be initiated The following screen will be displayed if the continuous burn in time was NOT selected in step e BURNING IN 604 437 uQ QU il A TEST IN PROGRESS REV 2 Au
8. screen will be displayed 1 ENGLISH Za TURKISH 3 SPANISH Select the preferred interface language by pressing the corresponding key on the keypad 1 2 or 3 The interface language will be set and a confirmation screen will be displayed as shown below ENGLISH SET Press any key to return to the START UP menu I S REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL 3 4 Testing Procedures 3 4 1 Entering Test Record Header Information You can enter the test record header information before performing tests The record header includes identifying information such as the company station circuit manufacturer etc Once the header information has been set it will apply to all subsequent test records Follow the steps below to enter the test header information a Start from the START UP menu 1 FUH TEST a SUE Za QUICE TEST TIME 145 Zir 34 DATE 65 24 11 Press the 2 key SETUP b The following screen will be displayed RECORD IT REVIEM RECORD SAVYE RESTORE RECORD SET TIME SET LANGUAGE OF E LH Po je Press the 1 key RECORD ID c The following screen will be displayed COMPANY Te TO POSITION ENTER TO ACCEPT Type the company name using the keypad Press the ENTER key when you are done typing the company name Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 d The following screen wi
9. 0A 1 1 micro ohm 1 Ampere to 200 Amperes selectable in 1A steps Thermally protected DC power supply Backlit LCD 128 x 64 pixels viewable in direct sunlight and low light levels Rugged 44key QWERTY membrane keypad 128 test records Each record can contain up to 64 readings Up to 999 test records on external USB Flash drive RS 232C Windows XP Vista 7 Analysis Software included with purchase Designed to meet IEC 61010 1995 UL 61010a and CASC22 2 standards Operating 10 C to 50 C 15 F to 122 F Storage 30 C to 70 C 22 F to 158 F 90 RH 40 C 104 F non condensing 2000m 6562 ft to full safety specifications 30 ft 9 1 m 1 AWG test cables power cord ground cable Shipping case 15 ft test cables C Clamp set Hand Spike Set Dual Ground option One year on parts and labor Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 1 6 DMOM 200 S3 Technical Specifications Table 2 DMOM 200 S3 Technical Specifications TYPE PHYSICAL SPECIFICATIONS INPUT POWER RESISTANCE READING RANGE ACCURACY TEST CURRENT RANGE DISPLAY KEYPAD INTERNAL TEST RECORD STORAGE EXTERNAL TEST RECORD STORAGE COMPUTER INTERFACE PRINTER PC SOFTWARE SAFETY ENVIRONMENT HUMIDITY MAX ALTITUDE MAX CABLES OPTIONS WARRANTY Portable Micro Ohmmeter 18 W x 7 Hx 15 D 45 7cm x 17 8cm x 38 1cm Weight 19 8 Ibs 8 9 Kg 100 240 Vac 14A 50 60Hz 10 milliohms at
10. 16 8 W x 12 6 H x 12 D 42 7cm x 32cm x 30 5cm Weight 33 Ibs 15 Kg 100 120 Vac 20A 50 60 Hz Up to 300A load 220 240 Vac 20A 50 60Hz Up to 600A load 1 milliohm at 600A to 450 milliohms at 10A 10A to 49 9A 1 2 micro ohms 50A to 600A 1 1 micro ohm 10 Amperes to 600 Amperes selectable in 1A steps Thermally protected DC power supply Backlit LCD 128 x 64 pixels viewable in direct sunlight and low light levels Rugged 44key QWERTY membrane keypad 128 test records Each record can contain up to 64 readings Up to 999 test records on external USB Flash drive RS 232C Built in 2 5 wide thermal printer Windows XP Vista 7 Analysis Software included with purchase Designed to meet IEC 61010 1995 UL 61010a and CASC22 2 standards Operating 10 C to 50 C 15 F to 122 F Storage 30 C to 70 C 22 F to 158 F 90 RH 40 C 104 F non condensing 2000m 6562 ft to full safety specifications 15 ft 4 6 m 1 0 AWG test cables power cord ground cable Shipping case C Clamp set Hand Spike Set Dual Ground option One year on parts and labor Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 1 8 Auto Ohm 200 S3 Controls and Indicators The Auto Ohm 200 S3 s controls and indicators are shown in Figure 5 The purpose of the controls and indicators may seem obvious but users should familiarize themselves with them before using the Auto Ohm 200 S3 Accidental mis
11. 200 A to 5 ohms at 1A 1A to 4 99A 1 10 micro ohms 5A to 9 99A 1 2 micro ohms 10A to 200A 1 1 micro ohm 1 Ampere to 200 Amperes selectable in 1A steps Thermally protected DC power supply Backlit LCD 128 x 64 pixels viewable in direct sunlight and low light levels Rugged 44key QWERTY membrane keypad 128 test records Each record can contain up to 64 readings Up to 999 test records on external USB Flash drive RS 232C Built in 2 5 wide thermal printer Windows XP Vista 7 Analysis Software included with purchase Designed to meet IEC 61010 1995 UL 61010a and CASC22 2 standards Operating 10 C to 50 C 15 F to 122 F Storage 30 C to 70 C 22 F to 158 F 90 RH 40 C 104 F non condensing 2000m 6562 ft to full safety specifications 30 ft 9 1 m 1 AWG test cables power cord ground cable Shipping case 15 ft test cables C Clamp set Hand Spike Set Dual Ground option One year on parts and labor REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL 1 7 DMOM 600 Technical Specifications Table 3 DMOM 600 Technical Specifications TYPE PHYSICAL SPECIFICATIONS INPUT POWER RESISTANCE READING RANGE ACCURACY TEST CURRENT RANGE DISPLAY KEYPAD INTERNAL TEST RECORD STORAGE EXTERNAL TEST RECORD STORAGE COMPUTER INTERFACE PRINTER PC SOFTWARE SAFETY ENVIRONMENT HUMIDITY MAX ALTITUDE MAX CABLES OPTIONS WARRANTY Portable Micro Ohmmeter
12. 600 USER S MANUAL e The following screen will be displayed ERASE RECORD 1 ERASE SIHGLE REC Z ERASE ALL RECORDS SlpPs TO EAT 1 ERASE SINGLE REC Press the 1 key ERASE SINGLE REC to erase a single test record from the connected USB Flash drive The following screen will be displayed ERASE THUME DRIVE RIEG Type the record number that you would like to erase using the alpha numeric keypad and then press the ENTER key The test record will be erased from the USB Flash drive and the following screen will be displayed THUME DRIVE REGGI ERASED Press any key to continue You will be returned to the beginning of step e Press the STOP key to return to the START UP menu 2 ERASE ALL RECORDS Press the 2 key ERASE ALL RECORDS to delete all test records from the connected USB Flash drive The following warning screen will be displayed ERASE ALL THUMB DRIVE RECORDS ARE YOU SURE ENTER T0 CONTINUE Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 Press the STOP key if you do not want to erase all the test records You will be returned to the START UP menu Press the ENTER key to proceed with deleting all the test records from the connected USB Flash drive The following screen will be displayed when all the records have been erased Press any key to return to the START UP menu REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MA
13. Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 True DC Digital Micro Ohmmeters USER S MANUAL Vanguard Instruments Company Inc 1520 S Hellman Ave Ontario California 91761 USA TEL 909 923 9390 July 2014 FAX 909 923 9391 Revision 2 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 SAFETY SUMMARY This manual applies to the Auto Ohm 200 S3 the DMOM 200 S3 and the DMOM 600 digital micro ohmmeters The operating procedures are virtually the same for all three models and any differences are clearly described where applicable FOLLOW EXACT OPERATING PROCEDURES Any deviation from the procedures described in this user s manual may create one or more safety hazards damage the Auto Ohm 200 3 DMOM 200 S3 DMOM 600 or cause errors in the test results Vanguard Instruments Co Inc assumes no liability for unsafe or improper use of the Auto Ohm 200 3 DMOM 200 S3 DMOM 600 The following safety precautions must be observed during all phases of test setup test hookups testing and test lead disconnection SAFETY WARNINGS AND CAUTIONS The Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 shall be used only by trained operators All circuit breakers under test shall be off line and fully isolated SERVICE AND REPAIR e Do not install substitute parts or perform any unauthorized modification to any Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 test unit e Repairs must be performed only by Vanguard Instruments Company factory personnel o
14. MANA aacoanaS NAVA x Figure 9 Typical Auto Ohm S3 Connection Diagram with Dual Ground Option i y REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL 3 2 Setting the Date and Time To set the date and time a Start from the START UP menu L ELUH TEST FSB 3 QUICK TEST TIME 145 21354 DATE Bae 24 11 Press the 2 key SETUP b The following screen will be displayed RECORD ID REVIEM RECORD SAVE RESTORE RECORD DSETORINE SET LANGUAGE LI AHI Press the 4 key SET TIME c The following screen will be displayed ENTER DATE MM i Y Type in the date using the keypad The following screen will be displayed SS TIHE HH Ms SS Enter the time using the alpha numeric keypad When the time has been entered you will be immediately returned to the START UP menu C Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 3 3 Setting the Interface Language Follow the steps below to set the interface language English Spanish or Turkish a Start from the START UP menu i FUH TEST 2a SE TUE z QUICK TEST TIME 145 21534 DATE GS z4 11 Press the 2 key SETUP b The following screen will be displayed RECORD ID REVIEW RECORD SAVYE RESTORE RECORD SET TIME SET LANGUAGE Press the 5 key SET LANGUAGE c The following
15. MBER 1 HAS EEEH SAVED 2 SAVE TO THUMB DRIVE Press the 2 key SAVE TO THUMB DRIVE to save the test record to the connected USB Flash drive The following screen will be displayed REC BEG SAVED TO THUME DRIVE Press any key to return to the START UP menu REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL 3 5 Working With Test Records 3 5 1 Viewing the Contents of the Working Memory Whenever a test is performed and the reading is kept the data is temporarily stored in the Auto Ohm s working memory You can view the test reading in the unit s working memory using the steps below a Start from the START UP menu La FUR TEST COSETTE Soa UTCE TEST TIME 145 21354 DATE BS 24 11 Press the 2 key SETUP b The following screen will be displayed RECORD ID REVIEM RECORD SAVE RESTORE RECORD Ser WINE SET LANGUAGE UL LH jb Press the 2 key REVIEW RECORD c The following screen will be displayed Auto Ohm 200 S3 DMOM 200 3 DMOM 600 The basic test record information will be PRIHT RECORD 1 PRINT TO LCD 2 PRINT TO PRINTER displayed as shown BS 26 11 ATr4z 23 HUM TESTS 1 1 PRINT TOLCD Press the 1 key PRINT TO LCD to display the test results on the unit s LCD screen The basic test record information will be displayed as shown C Press the v key The test record details will be displayed as shown below
16. NUAL 4 0 Getting the Latest Firmware Software and Manuals The latest firmware software and user s manuals can be downloaded from the Vanguard Instruments Company s web site at http www vanguard instruments com In order to download these items from our site you will first need to sign up for a FREE user account on our site Also your account must be approved before it can be used to download firmware software and user s manuals Follow the steps below to sign up for an account and download the latest firmware software and user s manuals a Visit our site at http www vanguard instruments com b Onthe left hand side of the page click on the Create new account link Username Password Create new account Request new password c You will be presented with a sign up form Please complete all the required fields on the form and click on the Create new account button at the bottom of the page d Once your account has been created it will be reviewed by our staff and usually approved within the hour during regular business hours e Once you have received the account approval email visit our site again at http www vanguard instruments com and login to your account using your username and password f Click on the Downloads link at the top of the page Products v Find a Sales Rep v Downloads v Contact Us About All Downloads Software Firmware Downloads g T
17. OM 200 10 200A True DC Low Resistance Meter BHEEHeBou00Rt ojuami onaniaa Le w Le sE HE NONE ML Voltage Sensing Current Rugged QWERTY Style 2 5 Wide Connector Jacks Lead Connectors Membrane Keypad Thermal Printer Figure 6 DMOM 200 S3 Controls and Indicators Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 1 10 DMOM 600 Controls and Indicators The DMOM 600 s controls and indicators are shown in Figure 7 The purpose of the controls and indicators may seem obvious but users should familiarize themselves with them before using the DMOM 600 Accidental misuse of the controls will usually cause no serious harm Users should also familiarize themselves with the safety summary information found on the front page of this User s Manual Current Sensing RS 232C USB Back Lit LCD Screen Circuit Input Power Ground Connector Jacks Computer Flash Drive 128 x 64 pixels Breaker Connector with Stud Interface Interface Viewable in direct 25A Third wire sunlight and low light Safety Ground 120 240 Vac 12A 50 60 Hz 19 O0NSO0nDOOL IMEEM O EDEN LWUYWVEE HEY NE MNULE Current Voltage Sensing Rugged 2 5 Wide Lead Connector Jacks QWERTY Style Thermal Printer Conenctors Membrane Keypad Figure 7 DMOM 600 Controls and Indicators REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL 2 0 PRE TEST SETUP 2 1 Operating Voltages The Auto ohm 200 3 DMOM 200 S3
18. OM 200 S3 DMOM 600 Printout with Dual Ground Option 32 REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL CONVENTIONS USED IN THIS DOCUMENT This document uses the following conventions The general term Auto Ohm S3 is used in this manual to refer to the Auto Ohm 200 S3 the DMOM 200 S3 and the DMOM 600 A key switch or knob on the Auto Ohm S3 is indicated as KEY SWITCH KNOB Menu names are referenced as MENU NAME Auto Ohm S3 screen output is shown as When instructions are provided the menu item that should be selected is outlined with a rectangle as shown below option 3 should be selected Warning messages are indicated as Important notes are indicated as e Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 1 0 INTRODUCTION 1 1 Auto Ohm 200 S3 General Description and Features The Auto Ohm 200 S3 is Vanguard s fourth generation microprocessor based true DC micro ohmmeter It is designed for testing EHV circuit breaker contact resistances bushing contact joints welding joints or for any low resistance measuring application This high current and very lightweight 16 8 Ibs 7 6 Kg micro ohmmeter is designed to meet the IEEE C57 09 1999 5 15 requirement for testing circuit breaker contact resistance The Auto Ohm 200 S3 can accurately measure resistance values from 1 micro ohm to 5 ohms A 0 1 micro ohm resolution is possible with cur
19. RIVE 1 SAVE INTERNALLY Press the 1 key SAVE INTERNALLY to save the test record to the unit s Flash EEPROM The following screen will be displayed RECORD HUMBER 1 HAS EEEH SAVED 2 SAVE TO THUMB DRIVE Press the 2 key SAVE TO THUMB DRIVE to save the test record to the connected USB Flash drive The following screen will be displayed REC BEG SAVED TO THUME DRIVE Press any key to return to the START UP menu k The following screen will be displayed SAVE THIS RECORD 1 VES Za HO Press the 1 key YES to save the test record REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL The following screen will be displayed RECORD HUMBER 1 HAS EEEH SAWED If a USB flash drive is connected to the unit the following screen will be displayed instead 1 SAVE IHTERHALL Y NOTE a 2a SAYE TO THUMB DRIVE 1 SAVE INTERNALLY Press the 1 key SAVE INTERNALLY to save the test record to the unit s Flash EEPROM The following screen will be displayed RECORD HUMBER 1 HAS EEEH SAWED 2 SAVE TO THUMB DRIVE Press the 2 key SAVE TO THUMB DRIVE to save the test record to the connected USB Flash drive The following screen will be displayed REC GAG SAVED TO THUME DRIVE Press any key to return to the START UP menu Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 TEST RESULTS COMPANY STATION CIRCUIT MFR MODEL S N K
20. TEST TIME 14 21 54 DATE 65 24 11 Press the 1 key RUN TEST b The following screen will be displayed EHTER FASS FAIL TEST LIMITS i ES Za HO 1 YES Press the 1 key YES if you would like to set the passing resistance range for a test The following screen will be displayed ENTER LOWER LIMIT CO 3 GHHS2 A uQ Enter the lower resistance limit for a passing test using the keypad The screen will be updated as shown below ENTER LOWER LIMIT RES Onis 450 po Press the ENTER key The following screen will be displayed re t REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL ENTER UPFER LIMIT Ca 3 OHMS FI uQ Enter the upper resistance limit for a passing test using the keypad The screen will be updated as shown below ENTER UPPER LIMIT cA 3 GHMS3 528 po Press the ENTER key Continue to step c 2 NO Press the 2 key NO if you do not want to enter the passing resistance range for a test Continue to step c If using an Auto Ohm 200 S3 with the Dual Ground option the following screen will be displayed before the screen shown in step c NOTES GROUND CURRENT FROBE CREDUCED ACCURACY Press the 1 key NO if you are not using a current probe and do not want to use the Dual Ground option Continue to step c 2 YES Press the 2 key YES if you have connected an external current probe and would like to use the Dua
21. USER S MANUAL REV 2 d The following screen will be displayed 1 INTERMHAL STORAGE 2 THUMB DRIVE Press the 2 key THUMB DRIVE e The following screen will be displayed RESTORE THUME DRIVE rele Type the record number that you would like to restore using the alpha numeric keypad and then press the ENTER key f The test record will be restored to the unit s working memory and the following screen will be displayed FEC 661 RESTORED REVIEW RECORD latag Za HO Press the 1 key YES to display the restored test record g The basic information about the restored test record will be displayed as shown below BS 26 11 ATi q2 23 HUM TESTS 1 REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL Press the v key The test record details will be displayed as shown below Press the STOP key to return to the START UP menu The restored test record will remain loaded in the working memory Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 3 5 5 Copying Test Records to a USB Flash Drive Use the steps below to copy one or all test records from the unit s Flash EEPROM to a connected USB Flash drive a Make sure a USB Flash drive is connected to the unit s USB MEM port and then start from the START UP menu La EUH TEST 2a oe TIF Za UTCE TEST TIME 145 21554 DATE Ba 24 11 Press the 2 key SETUP
22. VA RATING OPERATOR TEST NUMBER 1 TEST CURRENT 100 AMPS RAMP TIME 5 Seconds BURN IN TIME 5 Seconds RESULTS CURRENT 100 00 AMPS RESISTANCE 100 uOhms CP LOWER RES LIMIT 95 uOhms UPPER RES LIMIT 105 uOhms NOTES DATE 08720711 TIME 08 38 10 Figure 10 Sample DMOM 200 S3 DMOM 600 Printout REC NUMBER 15 TEST RESULTS COMPANY TEST NUMBER 1 TEST CURRENT 10 AMPS RAMP TIME 5 Seconds BURN IN TIME 5 Seconds RESULTS CURRENT 10 00 AMPS RESISTANCE 56 uOhns GND CURRENT 0 12 AMPS NOTES Figure 11 Sample DMOM 200 S3 DMOM 600 Printout with Dual Ground Option ES REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL 3 4 3 Performing a Quick Test A quick test can be performed without having to enter the test current the burn in time and the ramp time For a quick test a current of 100A is used and the burn in time and ramp time are both set to 5 seconds The Quick Test mode should not be used if the circuit breaker is connected to dual grounds if the unit has the Dual Ground option a Use the steps below to perform a quick test a Start from the START UP menu Press the 3 key QUICK TEST b The following screen will be displayed Press the START key c The unit will start ramping up the current to 100A The following screen will be displayed Once the current has reached 100A the initial test res
23. ates the actual resistance value of the circuit breaker The Auto Ohm 200 S3 features a back lit 128 x 64 pixel LCD screen that is viewable in both direct sunlight and low light levels The resistance readings are displayed on the LCD screen in micro ohms or milliohms The unit is operated via a convenient 44 key QWERTY keypad on the front panel The Auto Ohm 200 S3 can store 128 records of 64 readings internally and up to 999 test records on an external USB Flash drive Test header information Company Substation circuit breaker ID s can also be entered using the 44 key keypad and is stored with each test record Windows based XP Vista 7 analysis software is provided with each unit and can be used to remotely control the Auto Ohm 200 S3 via the RS 232C port Using this software the user can retrieve test records from the unit s memory or a USB Flash drive analyze test results and print test results on a desktop printer Test records can also be exported to PDF Excel and XML formats ES REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL The Auto Ohm 200 S3 is furnished with a 30 ft test 1 AWG cable set A 15 ft test cable set is also available as an option Test cables are terminated with heavy duty welding type clamps The test current and voltage sense cables are isolated and fastened to the clamp jaws This feature allows for a simple connection to the circuit breaker bushing An optional voltage sense
24. cable and probe can be used to measure resist ance in small access locations Optional heavy duty welding type C clamps are also available allowing the user to connect the test leads to a wide variety of bushing sizes bus bars or large conductors Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 1 2 _DMOM 200 S3 General Description and Features The DMOM 200 S3 is Vanguard s fourth generation microprocessor based true DC micro ohmmeter It is designed for testing EHV circuit breaker contact resistances bushing contact joints welding joints or for any low resistance measuring application This high current and very lightweight 19 8 Ibs 8 9 Kg micro ohmmeter is designed to meet the IEEE C57 09 1999 5 15 requirement for testing circuit breaker contact resistance The DMOM 200 S3 can accurately measure resistance values from 1 micro ohm to 5 ohms A 0 1 micro ohm resolution is possible with current greater than 5A The DMOM 200 S3 applies a selectable true DC test current from 1A to 200A to the resistance load to be tested The DMOM 200 S3 controls the test current s rise and fall rates The test current rise and fall rate can be selected from 5 seconds to 10 seconds An Auto Test mode is also available and can be initiated simply by applying the sense cables leads across the two points of interest in the current path This feature is very convenient when measuring a sequence of several resistance values in a cir
25. circuit breaker contact resistance with both sides of the breaker bushing being grounded When a test current is applied to a circuit breaker with both sides grounded some of the test current flows through the safety ground cables Using an external current sensor the DMOM 600 measures and eliminates this current from the total test current It then calculates the actual resistance value of the circuit breaker The DMOM 600 features a back lit 128 x 64 pixel LCD screen that is viewable in both direct sunlight and low light levels The resistance readings are displayed in a large font on the LCD screen in micro ohms or milliohms The unit is operated via a convenient 44 key QWERTY keypad on the front panel The DMOM 600 can store 128 records of 64 readings internally and up 999 test records on an external USB Flash drive Test header information Company Substation circuit breaker ID s can also be entered using the 44 key keypad and is stored with each test record The DMOM 600 also features a built in 2 5 wide thermal printer that can be used to print test reports in the field Windows based XP Vista 7 analysis software is provided with each unit Using this software the user can retrieve test records from the unit s memory or a USB Flash drive analyze test results and print test results on a desktop printer Test results can also be exported to PDF Excel and XML formats The DMOM 600 is furnished with a 15 ft 1 0 AWG t
26. cuit breaker contact The DMOM 200 S3 can also compare test results against preset limits and determine if a test passed or failed and a Pass or Fail flag is displayed accordingly Since a true DC current with controlled rise fall time is passed through the circuit breaker contact no magnetic transient is induced into the breaker s current transformers This feature greatly reduces the risk of inductively tripping a breaker control bus differential relay With the Dual Ground option the DMOM 200 S3 can also measure the circuit breaker contact resistance with both sides of the breaker bushing being grounded When a test current is applied to a circuit breaker with both sides grounded some of the test current flows through the safety ground cables Using an external current sensor the DMOM 200 S3 measures and eliminates this current from the total test current The DMOM 200 S3 then calculates the actual resistance value of the circuit breaker The DMOM 200 S3 features a back lit 128 x 64 pixel LCD screen that is viewable in both direct sunlight and low light levels The resistance readings are displayed on the LCD screen in micro ohms or milliohms The unit is operated via a convenient 44 key QWERTY keypad on the front panel The DMOM 200 S3 can store 128 records of 64 readings internally and up 999 test records on an external USB Flash drive Test header information Company Substation circuit breaker ID s can also be
27. e displayed Press the 2 key SAVE RECORD FERA a Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL If a USB Flash drive is connected to the unit continue to step d If a USB Flash drive is NOT connected to the unit continue to step e d The following screen will be displayed 1 SAVE INTERMALLY Za SAVE TO THUME DRIVE 1 SAVE INTERNALLY Press the 1 key SAVE INTERNALLY to save the test record to the unit s Flash EEPROM Continue to step e 2 SAVE TO THUMB DRIVE Press the 2 key SAVE TO THUMB DRIVE to save the test record to the connected USB Flash drive The following screen will be displayed FEC 601 SAVED TO THUME DRIVE Press any key to return to the START UP menu e The following screen will be displayed RECORD HUMBER 2 HAS EEEH SAVED Press any key to return to the START UP menu REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL 3 5 3 Restoring a Test Record From Flash EEPROM Use the steps below to restore a test record from the Auto Ohm s internal Flash EEPROM to the working memory a Start from the START UP menu Press the 2 key SETUP b The following screen will be displayed Press the 3 key SAVE RESTORE RECORD c The following screen will be displayed Press the 1 key RESTORE RECORD Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 d The following screen will be displayed
28. e following screen will be displayed a RESTORE RECORD SAVE RECORD RECORD DIRECTORY ERASE RECORD COPY TO THUMB DRIVE Press the 4 key ERASE RECORD Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 d The following screen will be displayed ERASE RECORD 1 ERASE SIHGLE REC Z ERASE ALL RECORDS STOP TO Ealt If you have a USB Flash drive inserted in the unit s USB MEM port the following screen will be displayed instead of the above screen 1 ERASE INTERHAL FEC Z ERASE THUMB DRY REC NOTE Press the 1 key ERASE INTERNAL REC The following screen will be displayed ERASE RECORD 1 ERASE SIHGLE REC Z ERASE ALL RECORDS STOP TO Ealt Continue with the steps below 1 ERASE SINGLE REC Press the 1 key ERASE SINGLE REC to erase a single test record from the unit s internal Flash EEPROM The following screen will be displayed ERASE RECORD L ENTER RECORD HUMBER SCROLL TO SELECT 1 ENTER RECORD NUMBER Press the 1 key ENTER RECORD NUMBER if you know the record number that you would like to erase The following screen will be displayed i REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL Type the record number that you would like to erase using the alpha numeric keypad and then press the ENTER key If you do not know the test record number you can first view the test record directory using th
29. e instructions in section 3 5 6 The following screen will be displayed while the record is being erased The following screen will be displayed when the test record has been completely erased Press any key to continue You will be returned to the beginning of step d Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 2 SCROLL TO SELECT Press the 2 key SCROLL TO SELECT to scroll through the test record directory and locate the test record that you would like to erase The following screen will be displayed RECORDS DIRECTORY UP TO SCROLL FHD IHH TO SCROLL EVS Press the or v key to scroll through the test record directory The test record header will be displayed as shown tS BS26 11 aTi 4z HUM TESTS i You can continue to scroll through the record directory by pressing the A and v keys Once you have located the test record you would like to erase press the ENTER key The selected test record will be erased and the following screen will be displayed RECORD HUMBER 9 ERASED Press any key to continue You will be returned to the beginning of step d REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL 2 ERASE ALL RECORDS Press the 2 key ERASE ALL RECORDS to erase all the test records from the unit s internal Flash EEPROM The following warning screen will be displayed ERASE ALL RECORDS ARE YOU SURE ENTER TO COHNTIHUE You can pr
30. entered using the 44 key keypad and is stored with each test record The DMOM 200 S3 also features a built in 2 5 wide thermal printer that can be used to print test reports in the field Windows based XP Vista 7 analysis software is provided with each unit and can be used to remotely control the DMOM 200 S3 via the RS 232C port Using this software the user can retrieve test records from the unit s memory or a USB Flash drive analyze test results and print test results on a desktop printer Test results can also be exported to PDF Excel and XML formats rr ER REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL The DMOM 200 S3 is furnished with a 30 ft test cable set A 15 ft test cable set is also available as an option Test cables are terminated with heavy duty welding type clamps The test current and voltage sense cables are isolated and fastened to the clamp jaws This feature allows for a simple connection to the circuit breaker bushing An optional voltage sense cable and probe can be used to measure resistance in small access locations Optional heavy duty welding type C clamps are also available allowing the user to connect the test leads to a wide variety of bushing sizes bus bars or large conductors Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 1 3 DMOM 600 General Description and Features The DMOM 600 is specifically designed for testing EHV circuit breaker contact resistances b
31. ess the STOP key to cancel the process and return to the START UP menu Press the ENTER key to proceed with deleting all the test records from the unit s Flash EEPROM The following screen will be displayed during the erasure process ERASING RECORDS PLEASE WAIT The following screen will be displayed when all test records have been completely erased RECORDS ERASED Press any key to return to the START UP menu Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 3 5 8 Erasing Test Records from a USB Flash Drive Follow the steps below to erase test records from a USB Flash drive a Make sure a USB Flash drive is connected to the unit s USB MEM port and then start from the START UP menu La FUH TEST SEE Za UTCE TEST TIME 145 215 54 DATE Ha 24 11 Press the 2 key SETUP The following screen will be displayed RECORD ID REVIEW RECORD SAVE RESTORE RECORD SET TIME SET LANGUAGE CA fe LM ba Press the 3 key SAVE RESTORE RECORD The following screen will be displayed RESTORE RECORD SAVE RECORD RECORD DIRECTOR ERASE RECORD COPY TO THUMB DRIVE OF Le bo Press the 4 key ERASE RECORD d The following screen will be displayed 1 ERASE IHTERHAL FEC 2 ERASE THUMB DRY REC Press the 2 key ERASE THUMB DRV REC REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM
32. est cable set Custom test cable lengths are optionally available Optional heavy duty welding type C clamps are also available allowing the user to connect the test leads to a wide variety of bushing sizes bus bars or large conductors 1 4 Cables and Accessories i REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL Figure 1 Furnished Current and Sense Combination Cables P N 8000 0076 Auto Ohm 200 S3 and DMOM 200 S3 Figure 2 Furnished Current Cable P N 8000 0072 and Sense Cables P N 8000 0073 for DMOM 600 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 Figure 3 Optional Cable with C Clamp Figure 4 Optional Hand Spike TT REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL 1 5 Table 1 TYPE PHYSICAL SPECIFICATIONS INPUT POWER RESISTANCE READING RANGE ACCURACY TEST CURRENT RANGE DISPLAY KEYPAD INTERNAL TEST RECORD STORAGE EXTERNAL TEST RECORD STORAGE COMPUTER INTERFACE PC SOFTWARE SAFETY ENVIRONMENT HUMIDITY MAX ALTITUDE MAX CABLES OPTIONS WARRANTY Auto Ohm 200 S3 Technical Specifications Auto Ohm 200 S3 Technical Specifications Portable Micro Ohmmeter 17 W x 7 Hx 13 D 43 2cm x 17 8cm x 33cm Weight 16 8 Ibs 7 6 Kg 100 240 Vac 14A 50 60Hz 1 micro ohm to 10 milliohms at 200 A 0 1 micro ohm resolution 1 micro ohm to 5 ohms at 1A 1A to 4 99A 1 10 micro ohms 5A to 9 99A 1 2 micro ohms 10A to 20
33. he Downloads page will be displayed listing all Vanguard products along with the related firmware software and user s manuals Click on any of these items to download them SI Vanguard Instruments Company Inc 1520 S Hellman Ave e Ontario CA 91761 e USA Phone 909 923 9390 e Fax 909 923 9391 www vanguard instruments com Copyright 2015 by Vanguard Instruments Company Inc Auto Ohm 200 DMOM 200 3 DMOM 600 User s Manual e Revision 2 3 e February 18 2015 e TA
34. iseedane eeso aE aO aE Aa einer 2 1 1 Auto Ohm 200 S3 General Description and Features i 2 1 2 DMOM 200 S3 General Description and Features ccccccsssececesssceeecseeeeessseeeeseseeees 4 1 3 DMOM 600 General Description and Features i 6 1 4 CablesandAccessofi6s cunniaa ae 6 1 5 Auto Ohm200S3 Technical Specifications i 9 1 6 DMOM 200 S3 Technical Specifications i 10 1 7 DMOM G00TechnicalSpecificationis celiaca 11 1 8 Auto Ohm 200 S3 Controls and Inditators a a 12 1 9 DMOM 200 S3 Controls and Indicators 13 1 10 DMOM 600 Controls and Indicators ii 14 2 0 PRE TEST SETUP gerani ira 15 21 OperalinSVolfes lillo 15 2 2 LCD Screen Contrast Control aaa 15 30 OPERATING PROCEDURES suroisrssirissacsercissise sunitai endana raine iiaia Eo aS Eaa Eiin 16 3 1 Connection Diagramsi aaa e ne 16 3 3 Setting the Interface Language ll 18 BA Testing Procedures scialle a ii 19 3 4 1 Entering Test Record Header Information i 19 3 4 2 Performing a Test ricarica einen 22 34 3 Performing a Quick Testa 33 3 5 Working With Test RecordS jas scashecdaxestacsasnataaeccsaxsis acuvsesainaaiteaxioseeslaneeeladaamaGes 37 3 5 1 Viewing the Contents of the Working Memory i 37 3 5 2 Saving Test Results to a Test Record 39 3 5 3 Restoring a Test Record From Flash EEPROM i 41 3 5 4 Restoring a Test
35. ished Press any key to return to the START UP menu REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL 3 5 6 Viewing the Test Record Directory Use the steps below to browse through a directory of the test records stored in the Auto Ohm s Flash EEPROM memory a Start from the START UP menu Press the 2 key SETUP b The following screen will be displayed Press the 3 key SAVE RESTORE RECORD c The following screen will be displayed Press the 3 key RECORD DIRECTORY Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 d The following screen will be displayed Press the or v key to scroll through the test record directory The test record header will be displayed as shown You can continue to scroll through the record directory by pressing the A and v keys Press the STOP key to return to the START UP menu REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL 3 5 7 Erasing Test Records from the Flash EEPROM Follow the steps below to erase test records from the Flash EEPROM a Start from the START UP menu 1 EUH TEST To SenF Sa QUICE TEST TIME 14 Zir 34 DATE Gorz4 11 Press the 2 key SETUP b The following screen will be displayed a RECORD ID REVIEW RECORD a SAVYE RESTORE RECORD Sel TIME SET LANGUAGE Press the 3 key SAVE RESTORE RECORD c Th
36. l Ground option The following screen will be displayed CONNECT EXT CURRENT PROBE TO GHO CABLE EMSURE THAT THE FROBE IS TURMHED OH PRESS ANY KEN Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 Connect the external current probe to the ground cable and then turn on the probe Press any key and continue to step c c The following screen will be displayed 1 HORMAL TEST Za AUTOMATIC TEST The Auto Ohm 200 S3 provides a convenient automatic test mode that can be used to perform multiple tests without having to restart each test manually When performing an automatic test the Auto Ohm will sense when cables are disconnected and re connected and will initiate the test 2 seconds after sensing a re connection Press the 1 key NORMAL TEST if you would like to perform a normal test Continue to step d Press the 2 key AUTOMATIC TEST if you would like to perform an automatic test Continue to step d d The following screen will be displayed Auto Ohm 200 S3 DMOM 600 SELECT TEST CURRENT SELECT TEST CUKRENT 16 ZIA JHA 188A j ZAHA CUSTOM CUSTOM 1 2 Cf 4 da a Select the test current by pressing the corresponding numeric key on the keypad If the test current you would like to use is not listed press the 6 key CUSTOM and then enter a value from 1A to 200A for the Auto Ohm 200 S3 DMOM 200 S3 or 10 A to 600A for the DMOM 600 When using a DMOM 600 with input power
37. ll be displayed Type the station name using the keypad and then press the ENTER key e The following screen will be displayed Type the circuit information using the keypad and then press the ENTER key f The following screen will be displayed Type the manufacturer name using the keypad and then press the ENTER key REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL g The following screen will be displayed Te TO POSITION ENTER TO ACCEPT Type the circuit breaker s model information using the keypad and then press the ENTER key h The following screen will be displayed j SERIAL HUMBER Tel To POSITION ENTER TO ACCEPT Type the circuit breaker s serial number using the keypad and then press the ENTER key The following screen will be displayed EVA RATING Te TO POSITION ENTER TO ACCEPT Type the circuit breaker s KVA rating using the keypad and then press the ENTER key The following screen will be displayed OPERATOR Tel TO POSITION ENTER TO ACCEPT Type the operator s name using the keypad and then press the ENTER key All header information will be saved and you will be returned to the START UP menu TE Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 3 4 2 Performing a Test Follow the steps below to perform a test a Start from the START UP menu LEUH TEST 2a SETUP Sa QUICK
38. r by an authorized repair service provider Unauthorized modifications can cause safety hazards and will void the manufacturer s warranty EQUIPMENT RATINGS IP Rating The enclosures for Auto Ohm 200 S3 DMOM 200 S3 and DMOM 600 have an IP rating of 32 Pollution Degree The Auto Ohm 200 S3 DMOM 200 S3 and DMOM 600 have a pollution rating of 2 Operating Voltage The Auto Ohm 200 S3 DMOM 200 S3 and DMOM 600 are rated for use with an operating voltage of 120V or 240V auto ranging 10 of selected voltage Power Cord The Auto Ohm 200 S3 DMOM 200 S3 and DMOM 600 are supplied with a 16 AWG 16A power cord with a NEMA 5 15P plug Replacement cable shall have the same or better rating and is available through the manufacturer VENTILATION REQUIREMENTS The Auto Ohm 200 3 DMOM 200 S3 and DMOM 600 must be operated with the enclosure lid open SAFETY SYMBOLS A Indicates that caution should be exercised d Indicates location of chassis ground terminal CLEANING To clean the Auto Ohm 200 S3 DMOM 200 S3 and DMOM 600 e Disconnect all cables and turn the unit off e Usea soft lint free cloth to wipe all surfaces clean e Avoid getting moisture in openings and connectors e Don t use any cleaning products or compressed air A REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL TABLE OF CONTENTS CONVENTIONS USED IN THIS DOCUMENT i 1 1 0 INTRODUCTION tcrseucessnatctcedasautdeeenghineduniged coeund
39. rent greater than 5A The Auto Ohm 200 S3 applies a selectable true DC test current from 1A to 200A to the resistance load to be tested The Auto Ohm 200 S3 controls the test current s rise and fall rates The test current rise and fall rate can be selected from 5 seconds to 10 seconds An Auto Test mode is also available and can be initiated simply by applying the sense cables leads across the two points of interest in the current path This feature is very convenient when measuring a sequence of several resistance values in a circuit breaker contact The Auto Ohm 200 S3 can also compare test results against preset limits and determine if a test passed or failed and a Pass or Fail flag is displayed accordingly Since a true DC current with controlled rise fall time is passed through the circuit breaker contact no magnetic transient is induced into the breaker s current transformers This feature greatly reduces the risk of inductively trip ping a breaker control bus differential relay With the Dual Ground option the Auto Ohm 200 S3 can also measure the circuit breaker contact resistance with both sides of the breaker bushing being grounded When a test current is applied to a circuit breaker with both sides grounded some of the test current flows through the safety ground cables Using an external current sensor the Auto Ohm 200 S3 measures and eliminates this current from the total test current The Auto Ohm then calcul
40. through a directory of the stored test records 2 1 The following screen will be displayed RECORDS DIRECTORY UP TO SCROLL FHD TWH TO SCROLL EVS Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 Press the A button or the v key to display the next or previous test record respectively The basic test record information will be displayed as shown When you have located the test record that you would like to restore press the ENTER key Continue to step 1 2 on page 43 REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL 3 5 4 Restoring a Test Record From a USB Flash Drive Use the steps below to restore a test record from a USB Flash drive to the Auto Ohm s working memory a Make sure the USB Flash drive containing the test record s is inserted in the Auto Ohm s USB Flash drive port USB MEM port Then start from the START UP menu ia EUH TEST 2a SE TUF BUICK TEST TIME 14 21 54 DATE Go rz4 11 Press the 2 key SETUP The following screen will be displayed RECORD ID REVIEW RECORD a SAVYE RESTORE RECORD SET MIME SET LANGUAGE Press the 3 key SAVE RESTORE RECORD The following screen will be displayed a RESTORE RECORD SAVE RECORD RECORD DIRECTORY ERASE RECORD COPY TO THUME DRIVE Press the 1 key RESTORE RECORD Auto Ohm 200 S3 DMOM 200 S3 DMOM 600
41. to Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL If the continuous burn in option was selected in step e the following screen will be displayed wore BURNING IM XxX 4AT uQ oH dl A TEST IN PROGRESS The unit will continue measuring the resistance and current and will display the values on the screen To stop running the test press the STOP key i The current will then be ramped down and then the final test results will be displayed as shown below TEST RESULTS e A Pass Fail P or F will be displayed if you had entered a passing resistance range in step b e Ifyou had selected the automatic test mode in step c you can now disconnect the cables and re connect them as needed A test will be initiated automatically 2 seconds after the re connection is sensed e Ifthe Dual Ground option was used the ground current will also be displayed as shown below TEST RESULTS NOTES 437 uQ F 2H H1 A GHO CUR 6 15 AMPS Press the STOP key to continue If you had selected the normal test option continue to step j If you had selected the automatic test option continue to step k CSS Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 j The following screen will be displayed Auto Ohm 200 S3 DMOM 200 3 DMOM 600 KEEF THIS READING FW TEST FESULTS la MES 1 YES 2 HO Z HO Press the 1 key YES to save the reading Press the 1 key YES
42. ults will be displayed and the burn in sequence will be initiated The following screen will be displayed C I Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 BURNING IN 604 TEST IN PROGRESS The current will then be ramped down and then the final test results will be displayed as shown below TEST RESULTS Press any key to continue d The following screen will be displayed Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 KEEP THIS READING PRINT TEST RESULTS 1 WES i WES 2 HO Za HO Press the 1 key YES to save the reading Press the 1 key YES to print the test results on the unit s built in thermal printer The following screen will be displayed KEEF THIS READING i VES 2 Ho Press the 1 key YES to save the reading i RA REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL e The following screen will be displayed Press any key to continue The following screen will be displayed Press the 2 key NO g The following screen will be displayed Press the 1 key YES to save the test record h The following screen will be displayed Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL REV 2 1 SAVE INTERMALLY Za SAVE TO THUMB DRIVE 1 SAVE INTERNALLY Press the 1 key SAVE INTERNALLY to save the test record to the unit s Flash EEPROM The following screen will be displayed RECORD HU
43. use of the controls will usually cause no serious harm Users should also familiarize themselves with the safety summary information found on the front page of this User s Manual Current Sensing Back Lit LCD Screen USB RS 232C Input Power Ground Connector Jacks 128 x 64 pixels Flash Drive Computer Connector Stud Viewable in bright Interface Interface with Third wire sunlight and low light Safety Ground 120 240 Vac 12A 50 6N Hz 1 200A True DC Digital Micro Ohm Meter Oo0aDSOOODOL MEAN MY eee MSTA HNN gt RES YY Voltage Sensing Current Rugged QWERTY Style Connector Jacks Lead Connectors Membrane Keypad Figure 5 Auto Ohm 200 S3 Controls and Indicators TE REV 2 Auto Ohm 200 S3 DMOM 200 S3 DMOM 600 USER S MANUAL 1 9 DMOM 200 S3 Controls and Indicators The DMOM 200 S3 s controls and indicators are shown in Figure 6 The purpose of the controls and indicators may seem obvious but users should familiarize themselves with them before using the DMOM 200 S3 Accidental misuse of the controls will usually cause no serious harm Users should also familiarize themselves with the safety summary information found on the front page of this User s Manual Current Sensing Input Power RS 232C USB Back Lit LCD SCreen Ground Connector Jacks Connector with Computer Flash Drive 128 x 64 pixels Stud Third Wire Interface Interface Viewable in direct Safety Ground sunlight and low light 20 240 Vac 12A 50 60 Hz DM
44. ushing contact joints welding joints or for any low resistance measuring application This high current and very lightweight 33 Ibs 15 Kg micro ohmmeter is designed to meet the IEEE C57 09 1999 5 15 requirement for testing circuit breaker contact resistance The DMOM 600 can accurately measure resistance values from 1 micro ohm to 450 milliohms A 0 1 micro ohm resolution is possible with current greater than 10A The DMOM 600 applies a selectable true DC test current from 10A to 600A to the resistance load to be tested The DMOM 600 controls the test current s rise and fall rates The test current rise and fall rate can be selected from 5 seconds to 10 seconds An Auto Test mode is also available and can be initiated simply by applying the sense cables leads across the two points of interest in the current path This feature is very convenient when measuring a sequence of several resistance values in a circuit breaker contact The DMOM 600 can also compare test results against preset limits and determine if a test passed or failed and a Pass or Fail flag is displayed accordingly Since a true DC current with controlled rise fall time is passed through the circuit breaker contact no magnetic transient is induced into the breaker s current transformers This feature greatly reduces the risk of inductively tripping a breaker control bus differential relay With the Dual Ground option the DMOM 600 can also measure the
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