Vanguard Instruments Company SGT-600 User Manual
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Vanguard Instruments Company SGT-600 User Manual

Safety ground tester
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Vanguard Instruments Company, Inc.
1520 S. Hellman Ave.
Ontario, California 91761, USA
TEL: (909) 923-9390
FAX: (909) 923-9391
SGT-600
SAFETY GROUND TESTER
USER'S MANUAL
April 2015
Revision 1.0

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  • Page 1 SGT-600 SAFETY GROUND TESTER USER’S MANUAL Vanguard Instruments Company, Inc. 1520 S. Hellman Ave. Ontario, California 91761, USA TEL: (909) 923-9390 April 2015 FAX: (909) 923-9391 Revision 1.0...
  • Page 2 Operating Voltage: The SGT-600 is rated for use with an operating voltage of 120V or 240V, auto-ranging ±10% of selected voltage. Power Cord: The SGT-600 is 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.

  • Page 3: Table Of Contents

    Figure 2. Typical SGT-600 Connection Diagram ................7 Figure 3. Sample Test Report Printout with Calibration Expiration Date ........11 Figure 4. Sample SGT-600 Test Results Printouts ................. 19 Figure 5. Performing a Diagnostic Test Between Points A and B ..........20 Figure 6.

  • Page 4: Conventions Used In This Document

    CONVENTIONS USED IN THIS DOCUMENT This document uses the following conventions: [KEY], [SWITCH], [KNOB] • A key, switch, or knob on the SGT-600 is indicated as • Menu names are referenced as “MENU NAME” • SGT-600 screen output is shown as: 1.

  • Page 5: Introduction

    Pass or Fail results can be printed using the built-in thermal printer. Test current is selectable from 10 to 600 amperes. The SGT-600 can also store 100 test records in internal FLASH EEPROM memory. Stored resistance measurements and related data can be recalled at a later time for review and printing and can also be transferred to a USB Flash drive using the unit's built-in Flash drive port.
  • Page 6 REV 1 SGT-600 USER’S MANUAL The SGT-600 will calculate the maximum resistance value of the cable under test, measure the resistance value and compare this value against the limit. The resistance value and a PASS or FAIL result can be printed on the thermal printer.

  • Page 7: Sgt-600 Technical Specifications

    SGT-600 USER’S MANUAL REV 1 SGT-600 Technical Specifications Portable Micro-Ohmmeter TYPE PHYSICAL SPECIFICATIONS Dimensions: 16.75”W x 12.5”H x 12” D (42.7 cm x 32 cm x 30.5 cm) Weight: 19.8 lbs. (8.9 Kg) INPUT POWER 100 ̶ 240 Vac, 50/60 Hz...

  • Page 8: Sgt-600 Controls And Indicators

    SGT-600 USER’S MANUAL SGT-600 Controls and Indicators The SGT-600’s controls and indicators are shown in Figure 1. The purpose of the controls and indicators may seem obvious, but users should familiarize themselves with them before using the SGT-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.

  • Page 9: Pre-Test Setup

    Always ground the SGT-600 to the substation ground before connecting cables to the unit. Printer Paper The SGT-600’s built-in thermal printer uses 2.5" 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.

  • Page 10: Operating Procedures

    REV 1 SGT-600 USER’S MANUAL OPERATING PROCEDURES Connection Diagrams Figure 2. Typical SGT-600 Connection Diagram...
  • Page 11 SGT-600 USER’S MANUAL REV 1 Setting the Date and Time To set the date and time: a. Start from the “START-UP” menu: 1.RUN TEST 2.SETUP ° time: 10:11:12 ° date: 04/01/15 Press the key (SETUP). b. The following screen will be displayed: 1.

  • Page 12: Setting The Interface Language

    REV 1 SGT-600 USER’S MANUAL Setting the Interface Language Follow the steps below to set the interface language (English): a. Start from the “START-UP” menu: 1.RUN TEST 2.SETUP ° time: 10:11:12 ° date: 04/01/15 Press the key (SETUP). b. The following screen will be displayed: 1.

  • Page 13: Setting The Option To Print The Calibration Expiration Date

    REV 1 Setting the Option to Print the Calibration Expiration Date The SGT-600 can print the unit's factory calibration expiration date at the bottom of test reports if desired. Follow the steps below to configure this option: a. Start from the "START-UP" menu: 1.RUN TEST...

  • Page 14: Figure 3. Sample Test Report Printout With Calibration Expiration Date

    REV 1 SGT-600 USER’S MANUAL 2. Press the key to disable the option. The following screen will be displayed: CAL DATE PRINTING DISABLED. Press any key to return to the "START-UP" menu. Figure 3. Sample Test Report Printout with Calibration Expiration Date...

  • Page 15: Testing Procedures

    SGT-600 USER’S MANUAL REV 1 Testing Procedures 3.5.1. 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.
  • Page 16 REV 1 SGT-600 USER’S MANUAL d. The following screen will be displayed: LOCATION: ↑ ↓ TO POSITION "ENTER" TO ACCEPT [ENTER] Type the location name using the keypad and then press the key. e. The following screen will be displayed: MANUFACTURER: ↑...
  • Page 17 SGT-600 USER’S MANUAL REV 1 RATING: ↑ ↓ TO POSITION "ENTER" TO ACCEPT ENTER Type the safety ground cable's rating using the keypad and then press the [ key. i. The following screen will be displayed: OPERATOR: ↑ ↓ TO POSITION "ENTER"...

  • Page 18: Performing A Test

    REV 1 SGT-600 USER’S MANUAL 3.5.2. Performing a Test Follow the steps below to perform a test: a. Start from the "START-UP" menu: 1.RUN TEST 2.SETUP ° time: 10:11:12 ° date: 04/01/15 Press the key (RUN TEST). b. The following screen will be displayed: 1.
  • Page 19 SGT-600 USER’S MANUAL REV 1 e. The following screen will be displayed: CABLE LENGTH: 33.00 Ft 10.058 M (33'0") ↑ ↓ TO adjust length "ENTER" TO ACCEPT [] You can adjust the cable length by 3" (0.0762 m) increments. Press the key to []...
  • Page 20 The unit will start ramping the current till the selected current is reached. The screen will be updated as shown below: RAMPING CURRENT 2.10A TEST IN PROGRESS... Once the test current has been reached, the SGT-600 will measure the resistance and update the screen as shown below: MEASURING Ω 4.668 m 10.03A...
  • Page 21 SGT-600 USER’S MANUAL REV 1 j. The following screen will be displayed: SAVE THIS RECORD? 1. YES 2. NO Press the key to save the test record. k. The following screen will be displayed: RECORD NUMBER 5 HAS BEEN SAVED!

  • Page 22: Figure 4. Sample Sgt-600 Test Results Printouts

    REV 1 SGT-600 USER’S MANUAL REC_000 SAVED TO THUMB DRIVE. Press any key to continue to return to the "START-UP" menu. Figure 4. Sample SGT-600 Test Results Printouts ("PASSED" test on the left, "FAILED" test on the right)

  • Page 23: Performing Diagnostic Tests

    REV 1 3.5.3. Performing Diagnostic Tests The SGT-600 can be used to test particular sections of a safety ground cable and help diagnose a faulty cable. When performing a diagnostic test, the safety ground cable is connected to the unit and the hand probes are used to measure the resistance between various two points on the ground cable as shown in the figure below: Figure 5.
  • Page 24 REV 1 SGT-600 USER’S MANUAL b. The following screen will be displayed: 1. FULL CABLE TEST 2. DIAGNOSTIC PROBE Press the key (DIAGNOSTIC PROBE). c. The following screen will be displayed: SELECT TEST CURRENT 1. 10A 2. 25A 3. 50A 4.
  • Page 25 SGT-600 USER’S MANUAL REV 1 Once the test current has been reached, the SGT-600 will measure the resistance between the two points and update the screen as shown below: MEASURING Ω 4.721 m 10.03A TEST IN PROGRESS... The unit will then ramp down the current to zero and display the final test results as...

  • Page 26: Figure 6. Sample Diagnostic Test Results Printout

    REV 1 SGT-600 USER’S MANUAL Figure 6. Sample Diagnostic Test Results Printout...

  • Page 27: Working With Test Records

    SGT-600 USER’S MANUAL REV 1 Working With Test Records 3.6.1. Viewing the Contents of the Working Memory Whenever a test is performed and the reading is kept, the data is temporarily stored in the SGT- 600’s working memory. You can view the test reading in the unit’s working memory using the steps below: a.
  • Page 28 REV 1 SGT-600 USER’S MANUAL 04/02/15 12:40:22 VANGUARD INST ONTARIO Press any key to continue. The test record details will be displayed as shown below: TEST CURRENT: 10A CABLE GAUGE: AWG 2 CABLE LENGTH: 33.00' ° CABLE TEMP: 25.0 CUR: 10.02 A RES: 4.669 mΩ...

  • Page 29: Saving Test Results To A Test Record

    2. SAVE RECORD 3. RECORD DIRECTORY 4. ERASE RECORD 5. COPY to THUMB DRIVE Option 5 (COPY TO THUMB DRIVE) will be listed only if a USB Flash drive is connected to the SGT-600. NOTE Press the key (SAVE RECORD).
  • Page 30 REV 1 SGT-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.

  • Page 31: Restoring A Test Record From Flash Eeprom

    SGT-600 USER’S MANUAL REV 1 3.6.3. Restoring a Test Record From Flash EEPROM Use the steps below to restore a test record from the SGT-600’s internal Flash EEPROM to the working memory: a. Start from the “START-UP” menu: 1.RUN TEST 2.SETUP...
  • Page 32 REV 1 SGT-600 USER’S MANUAL d. The following screen will be displayed: RESTORE RECORD 1.ENTER RECORD NUMBER 2.SCROLL 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.INTERNAL STORAGE...
  • Page 33 SGT-600 USER’S MANUAL REV 1 1.2. The following screen will be displayed: RECORD RESTORED! PRINT RECORD? 1.YES 2.NO 1. YES Press the key (YES) to review the test record on the screen or to print it. The following screen will be displayed: PRINT RECORD 1.PRINT TO LCD...
  • Page 34 REV 1 SGT-600 USER’S MANUAL 2. PRINT TO PRINTER Press the key (PRINT TO PRINTER) to print the restored test record on the unit's built-in thermal printer. The rest results will be printed on the printer and you will be returned to the "START-UP"...

  • Page 35: Restoring A Test Record From A Usb Flash Drive

    REV 1 3.6.4. 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 SGT-600’s working memory: a. Make sure the USB Flash drive containing the test record(s) is inserted in the unit’s USB Flash drive port (“USB MEM”...
  • Page 36 REV 1 SGT-600 USER’S MANUAL d. The following screen will be displayed: 1.INTERNAL STORAGE 2.THUMB DRIVE Press the key (THUMB DRIVE). e. The following screen will be displayed: RESTORE THUMB DRIVE REC_ Type the record number that you would like to restore using the alpha-numeric keypad...

  • Page 37: Copying Test Records To A Usb Flash Drive

    SGT-600 USER’S MANUAL REV 1 3.6.5. 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”...
  • Page 38 REV 1 SGT-600 USER’S MANUAL d. The following screen will be displayed: COPY REC TO THUMB DRV 1.COPY SINGLE RECORD 2.COPY ALL RECORDS 1. COPY SINGLE RECORD Press the key (COPY SINGLE RECORD) to copy a single test record from the unit’s Flash EEPROM to the connected USB Flash drive.
  • Page 39 SGT-600 USER’S MANUAL REV 1 2. COPY ALL RECORDS Press the key (COPY ALL RECORDS) to copy all test records from the SGT- 600’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...

  • Page 40: Printing The Test Record Directory

    SGT-600 USER’S MANUAL 3.6.6. Printing the Test Record Directory Use the steps below to print a directory of the test records stored in the SGT-600’s Flash EEPROM or on a connected USB Flash drive: a. Start from the “START-UP” menu: 1.RUN TEST...
  • Page 41 SGT-600 USER’S MANUAL REV 1 d. The following screen will be displayed: 1. INTERNAL DIRECTORY 2. THUMB DRIVE DIR 1. INTERNAL DIRECTORY Press the key (INTERNAL DIRECTORY) to print a directory of the test records stored in the unit's internal memory. Continue to step e.

  • Page 42: Figure 7. Sample Thumb Drive Directory Printout

    REV 1 SGT-600 USER’S MANUAL Figure 7. Sample Thumb Drive Directory Figure 8. Sample Internal Test Record Directory Printout Printout...

  • Page 43: Erasing Test Records From The Unit's Flash Eeprom

    SGT-600 USER’S MANUAL REV 1 3.6.7. Erasing Test Records from the Unit's Flash EEPROM Follow the steps below to erase test records from the unit's Flash EEPROM a. Start from the “START-UP” menu: 1.RUN TEST 2.SETUP ° time: 10:11:12 °...
  • Page 44 REV 1 SGT-600 USER’S MANUAL d. The following screen will be displayed: ERASE RECORD 1.ERASE SINGLE REC. 2.ERASE ALL RECORDS "STOP" TO EXIT 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.ERASE INTERNAL REC...
  • Page 45 SGT-600 USER’S MANUAL REV 1 ERASE RECORD NUMBER: You can cancel the process and return to the “START-UP” menu by [STOP] pressing the key. NOTE Type the record number that you would like to erase using the alpha-numeric [ENTER] keypad and then press the key.
  • Page 46 REV 1 SGT-600 USER’S MANUAL 2. SCROLL TO SELECT Press the 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"...
  • Page 47 SGT-600 USER’S MANUAL REV 1 2. ERASE ALL RECORDS Press the 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"...

  • Page 48: Erasing Test Records From A Usb Flash Drive

    REV 1 SGT-600 USER’S MANUAL 3.6.8. Erasing Test Records from a USB Flash Drive Follow the steps below to erase test records from 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”...
  • Page 49 SGT-600 USER’S MANUAL REV 1 e. The following screen will be displayed: ERASE RECORD 1.ERASE SINGLE REC. 2.ERASE ALL RECORDS "STOP" TO EXIT 1. ERASE SINGLE REC. Press the key (ERASE SINGLE REC.) to erase a single test record from the connected USB Flash drive.
  • Page 50 REV 1 SGT-600 USER’S MANUAL [STOP] Press the key if you do not want to erase all the test records. You will be returned to the “START-UP” menu. [ENTER] Press the key to proceed with deleting all the test records from the connected USB Flash drive.

  • Page 51: Getting The Latest Firmware, Software, And Manuals

    SGT-600 USER’S MANUAL REV 1 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.
  • Page 52 1520 S. Hellman Ave • Ontario, CA 91761 • USA Phone: 909-923-9390 • Fax: 909-923-9391 www.vanguard-instruments.com Copyright © 2015 by Vanguard Instruments Company, Inc. SGT-600 User’s Manual • Revision 1.0 • April 03, 2015 • TA...

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