Megger BITE 3 Instruction Manual Download Page 1

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AVTMBITE 3

Rev 8

April 2014

Instruction Manual

BITE 3

Battery Impedance Test Equipment

HIGH VOLTAGE EQUIPMENT

Read this entire manual before operating.

Valley Forge Corporate Center
2621 Van Buren Avenue
Norristown, PA 19403-2329
U.S.A.

610-676-8500

www.megger.com

Summary of Contents for BITE 3

Page 1: ...ruction Manual BITE 3 Battery Impedance Test Equipment HIGH VOLTAGE EQUIPMENT Read this entire manual before operating M Valley Forge Corporate Center 2621 Van Buren Avenue Norristown PA 19403 2329 U...

Page 2: ......

Page 3: ...BITE 3 Battery Impedance Test Equipment...

Page 4: ...pairing at our option defective equipment Equipment returned to the factory for repair must be shipped prepaid and insured Contact your MEGGER representative for instructions and a return authorizatio...

Page 5: ...rview 17 Step One Perform Pre Test Activities 17 Step Two Turning on the BITE 3 and Connecting the Lead Set 18 Step Three Select a Site String and Take Measurements 19 Step Four Perform Post Test Acti...

Page 6: ...chanical 32 APPENDIX B Replaceable Parts 33 APPENDIX C Compatibility 35 Hardware Unit Firmware Compatibility 35 Software Firmware Updating 35 Firmware Modifications 36 List of Figures Figure 1 BITE 3...

Page 7: ...battery systems It measures AC impedance an internal ohmic value DC terminal voltage Intercell connection resistance Float current Ripple current and Harmonic content These measurements along with ot...

Page 8: ...chhoff s law states that the current is the same everywhere in that circuit Ohm s law states that each resistor will have a voltage drop in response to the applied current regardless of whether that c...

Page 9: ...the necessary information and data regardless of which BITE 3 took the last set of battery data Applications for the BITE 3 Some of the many types of installations that can be tested and analyzed wit...

Page 10: ...entative and describe the damage in detail Safety First Be sure to read the safety information in Chapter 2 thoroughly and observe all safety precautions and recommendations How to Use This Manual Typ...

Page 11: ...ty of electrolyte spills explosion and electrical shock Safety Requirements This instrument has been designed to the IEC 61010 1 safety standard Observe all industry standard safety rules for testing...

Page 12: ...M AVTMBITE 3 Rev 8 April 2014 6 Cautions and Warnings This manual provides cautions and warnings where applicable and these should be strictly observed...

Page 13: ...cts is a reminder not to dispose of the product at the end of its life with general waste Megger is registered in the UK as a Producer of Electrical and Electronic Equipment The Registration No is WEE...

Page 14: ...nels comprise the lead set connection J1 and the CT connection J2 again the ports are not labeled Jx Figure 2 BITE 3 Lead Connections Figure 2A BITE 3 Fuse The battery charger connection battery state...

Page 15: ...he communications and printer cable connects to J3 to communicate to a PC or laptop and to the optional printer J4 Battery charger The output of the charger connects to the battery here The instrument...

Page 16: ...wing chart details the conditions under which the audible alarm and LEDs activate The circuit and measurement status is also displayed on the LCD Red No Circuit Yellow Blinking Circuit found not measu...

Page 17: ...lations including wireline and wireless applications An example of this would be six battery strings of 4 12Vdc jars in each string In this example the current from the measurement has parallel paths...

Page 18: ...Cancel and Close Quick Test Spectrum Analyzer Analyze Analyze Select a Test Select and Continue Close Configure Instrument Instrument Name Auto Off time in seconds Line Frequency Hz Auto Measure 0 1...

Page 19: ...00 charge respectively After a few seconds this display will automatically go out NOTE The batteries are nickel metal hydride and if these are changed the disposal of cells should be in accordance wit...

Page 20: ...arge over a period of several weeks faster at higher temperatures Always check the Battery State indicator before starting work A fully charged battery will light all segments A fully discharged batte...

Page 21: ...rogressing from right to left Battery nearly exhausted The battery capacity is very low Recharge it The one remaining LED is flashing Error Reset An error has occurred within the battery module The ci...

Page 22: ...M AVTMBITE 3 Rev 8 April 2014 16 M...

Page 23: ...o eliminate the need for a CT under normal circumstances Normally the current in the cell jar being measured must be measured to accurately calculate impedance Z E I Optional lead sets are available t...

Page 24: ...O I button The back light should stay lit 2 Connect the lead set and if used the CT to the BITE 3 3 a Configure a new site and string Configure I Strings I New Enter New String Information Site Strin...

Page 25: ...hunt being used to calculate them It is recommended to use an intertier interrow cable See the Technical Specifications section for accuracy 3 Measure all cells and intercell connectors Apply the Red...

Page 26: ...rent in the battery that is causing the voltage drop Impedance is then calculated as it normally is The procedure for testing noisy systems is simple If a noisy system is encountered the BITE 3 will d...

Page 27: ...nnections and pushing the red test button on the top panel of the BITE 3 to start the measurements 6 Once the measurement is complete continue testing until all cells jars have been tested 7 Follow St...

Page 28: ...M AVTMBITE 3 Rev 8 April 2014 22 M...

Page 29: ...limits as seen in the chart As batteries age the percent deviation will widen but in this mode an outlier is the concern Viewing Printing Test Results on the LCD When the testing has been completed us...

Page 30: ...can only be found by comparing each cell against the string average called deviation The allowable percent deviation depends upon the battery technology flooded Lead acid or VRLA Since a single cell c...

Page 31: ...term Trending When data have been taken since commissioning trending is the best mode of analysis This mode combines the trend over time the percent change and percent deviation provides the most info...

Page 32: ...M AVTMBITE 3 Rev 8 April 2014 26 M...

Page 33: ...n added to the probe handles with a redundant display on the LCD for optional lead sets The chart below explains the status LEDs Red No Connection Yellow Blinking Connection detected waiting for trigg...

Page 34: ...ispose of them with general waste at the end of their life This product contains the NiMH battery pack rated at 4 8Vdc It can be safely removed by unclipping the 2 fasteners on the old battery pack an...

Page 35: ...er Configuration Printout If you want to leave the settings as they are press the FEED switch If you need to change a setting press the ON LINE switch to enter the reconfiguration mode For each group...

Page 36: ...es of problems can be investigated Ship to Megger Attn Repair Dept RMA Valley Forge Corporate Center 2621 Van Buren Avenue Norristown PA 19403 U S A 610 676 8500 or Megger Attn Repair Dept RMA Archcli...

Page 37: ...on 8 0 to 15 VDC 10 mV resolution Current Range and Resolution Current 0 5 9 99 A ac dc 0 01 A resolution 10 0 99 9 A ac dc 0 1 A resolution Accuracy dc voltage 1 rdg 1 lsd ac impedance 5 of rdg 1 lsd...

Page 38: ...IEC 61010 1 specifications Mechanical Dimensions 200 H x 100 W x 240 D mm 9 5 H x 8 6 W x 4 D x 9 5 H inches Weight 5 7 lbs 2 6 kg Charger Supply Voltage 100 to 130 V 50 60 Hz 14 VA 210 to 250 V 50 60...

Page 39: ...ITE 3 Carrying Case 35788 RS 232 Null modem cable 33533 1 Dual point Lead set BI 10002 Tip Kit BI 10017 Line Charger EV6280 333 Battery EV6121 492 Manual AVTMBITE 3 Power DB LITE DB0001 Printer batter...

Page 40: ...M AVTMBITE 3 Rev 8 April 2014 34 M...

Page 41: ...104 Version 2 even numbers ONLY NEW WINDOWS CE NEW PC104 Version 3 odd numbers ONLY Software Firmware Updating Different firmware versions operate with different hardware versions The PC software used...

Page 42: ...System Corrects Contrast Issue Unit remembers contrast setting at turn off Incorporates both Russian and Vietnamese languages into the unit 3 000 NEW PC 104 NEW OS SYSTEM Corrects Contrast Issue Unit...

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