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- BITE 3
- Instruction Manual
Megger BITE 3 Instruction Manual
Summary of BITE 3
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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. M valley forge corporate center 2621 van buren avenue norristown, pa 19403-2329 u.S.A. 610-676-8500 www.Megger.Com.
Page 3: Bite 3
Bite 3 battery impedance test equipment.
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Copyright© 2004 by megger. All rights reserved. The information presented in this manual is believed to be adequate for the intended use of the product. If the product or its individual instruments are used for purposes other than those specified herein, confirmation of their validity and suitabilit...
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Avtmbite 3 rev 8 april 2014 i table of contents 1 introduction ............................................................................................................................................. 1 about the bite 3… ..............................................................................
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Avtmbite 3 rev 8 april 2014 ii battery ............................................................................................................................................................. 28 probe tips.............................................................................................
Page 7: Introduction
Avtmbite 3 rev 8 april 2014 1 1 introduction about the bite 3… note: before attempting to use the bite 3, be sure that you read and understand the safety requirements and operating procedures contained in this manual. Thank you for selecting a megger product. This instrument has been thoroughly test...
Page 8: How The Bite 3 Works
M avtmbite 3 rev 8 april 2014 2 the bite 3 generates data that describes an overall condition of a battery. Weak batteries are due to a number of reasons, some of which are sulfated plates, dry- out (loss-of-compression), loose intercell connectors, grid growth, etc. The bite 3 also measures float c...
Page 9: Applications For The Bite 3
Introduction avtmbite 3 rev 8 april 2014 3 ripple currents can be determined. The accuracy of the float and ripple currents measurements is determined by the shunt value. See the technical specification section for accuracy. The bite 3 does more than take measurements; it also has an on-board, user-...
Page 10: Safety First
M avtmbite 3 rev 8 april 2014 4 please examine the instrument for damage received in transit. If you find damage, file a claim with the carrier at once. Also notify megger or our nearest authorized sales representative, and describe the damage in detail. Safety first be sure to read the safety infor...
Page 11: Safety
Avtmbite 3 rev 8 april 2014 5 2 safety overview the bite 3 and its recommended operating procedures have been designed with careful attention to safety. However, it is not possible to eliminate all hazards from electrical test equipment or to foresee every possible hazard that may occur. The user no...
Page 12: Cautions and Warnings
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: Overview
Avtmbite 3 rev 8 april 2014 7 3 controls, connectors, indicators & menus symbols used on the instrument are: g safety warnings are precautions that must be read and understood before the instrument is used. Refer to accompanying notes in manual. C equipment complies with current eu directives. Weee ...
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M avtmbite 3 rev 8 april 2014 8 figure-1: bite 3 transceiver the side panels 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 indicator and slow...
Page 15: Switches and Connectors
Controls, connectors, indicators & menus avtmbite 3 rev 8 april 2014 9 figure-3: bite 3 battery charger connections switches and connectors s1 switch the on-off switch energizes/de-energizes the instrument. It takes about 30 seconds to boot-up and about ten seconds to shut down. J1 lead set the lead...
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M avtmbite 3 rev 8 april 2014 10 there is also an audible alarm in the instrument body and leds on the dual- point lead set to indicate circuit and measurement status. The following chart details the conditions under which the audible alarm and leds activate. The circuit and measurement status is al...
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Controls, connectors, indicators & menus avtmbite 3 rev 8 april 2014 11 the keypad is used for entering site and string configurations. It is also used to add comments about the battery or testing that the user may wish to document. The keys’ character set is: 1( ) 2abc 3def 4ghi 5jkl 6mno 7pqrs 8tu...
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M avtmbite 3 rev 8 april 2014 12 the flowchart of the menu structure: under configure/site-strings/ delete, it is not possible to delete a site and/or string until the data have been deleted first. This is to make sure that a site/string is not accidentally deleted. To delete data, go to system/dele...
Page 19: The Battery Module
Controls, connectors, indicators & menus avtmbite 3 rev 8 april 2014 13 the battery module the battery module contains nickel-metal-hydride cells and has a built-in battery- management system that controls charging and monitors discharge. This provides a high capacity, low-weight battery system, whi...
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M avtmbite 3 rev 8 april 2014 14 discharged. It will normally be recharged to 90% of capacity within 2 ½ hours. Full charge may take up to 4 hours before indicating that the battery is full depending on the initial state of the battery. When charging is complete the battery management circuitry will...
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Controls, connectors, indicators & menus avtmbite 3 rev 8 april 2014 15 the battery is too hot or too cold and charging has therefore been interrupted until the battery returns to a temperature between 32°f and 115°f (0°c and 45°c). The stationary leds are flashing. Input voltage too low: the charge...
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M avtmbite 3 rev 8 april 2014 16 m.
Page 23: Test Procedures
Avtmbite 3 rev 8 april 2014 17 4 test procedures overview the bite 3 is used to test a battery string while the dc system is on-line and floating. It can store measurements on a per cell/jar basis as well as per string basis. It has memory for about 22,000 60-cell strings in a database structure to ...
Page 25: 0.000
Test procedures avtmbite 3 rev 8 april 2014 19 step three: select a site/string and take measurements. 1. After a site/string has been selected, measure ambient temperature and enter it in the bite 3. Press the “enter” key after typing the temperature. Measure i new test battery_lab_small_6 air temp...
Page 26: Reviewing A Test
M avtmbite 3 rev 8 april 2014 20 reviewing a test to review the readings, simply scroll up/down the screen. To return to testing, scroll to the last readings and start taking measurements. Retesting a cell/jar or a strap to retest a cell/jar or a strap, simply scroll to that cell/jar or strap and pr...
Page 27: Reviewing and Retesting
Test procedures avtmbite 3 rev 8 april 2014 21 5. Continue testing cells and straps as necessary, making appropriate connections 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...
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M avtmbite 3 rev 8 april 2014 22 m.
Page 29: Interpreting Test Results
Avtmbite 3 rev 8 april 2014 23 5 interpreting test results overview the bite 3 interfaces with power db; which allows you to download data from the unit, update sites and string information as well as update firmware in the bite3. Power db maintains data from all customers, regions, sites and string...
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M avtmbite 3 rev 8 april 2014 24 cable. Turn on the printer and follow the menus again, highlight “print” and press the enter key. Instantaneous mode of analysis if no previous data were measured, then a weak cell can only be found by comparing each cell against the string average, called deviation....
Page 31: Short-Term Mode of Analysis
Interpreting test results avtmbite 3 rev 8 april 2014 25 short-term mode of analysis in some cases, previous data were taken but doesn’t start at battery commissioning. In this scenario, a comparison between each cell and its previous measurement, called percent change, aids in determining its condi...
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M avtmbite 3 rev 8 april 2014 26 m.
Page 33: Overview
Avtmbite 3 rev 8 april 2014 27 6 maintenance and trouble shooting overview the bite 3 is designed to meet the rigors of battery testing in industrial environments. It is housed in a durable abs/ps case as are the probes. It uses a windows tm ce operating system with on-board diagnostics. There is ve...
Page 34: Probe Tips
M avtmbite 3 rev 8 april 2014 28 f warning do not replace the fuse with a value greater than the 1amp 250v fast blow fuse. Doing so may cause damage to the test instrument should excessive current flow. Fuse (1 amp fast blow, 250v) part no. 2544-2 battery the battery used is a nimh battery rated at ...
Page 35: Printer (Optional)
Maintenance and trouble shooting avtmbite 3 rev 8 april 2014 29 printer (optional) configuration to print a paper copy of the existing printer settings: while holding down the "on-line" switch, turn on the printer. The following list will print (factory default settings shown). Figure-5: printer con...
Page 36: If The Bite 3 Needs Repairs
M avtmbite 3 rev 8 april 2014 30 if the bite 3 needs repairs megger offers a complete repair service. Call customer service at 1-610-676- 8500 to obtain an rma number before shipment. Include all standard and optional accessories to ensure that all possible sources of problems can be investigated. S...
Page 37: Electrical
Avtmbite 3 rev 8 april 2014 31 appendix a - technical specifications electrical impedance range and resolution 0.05 to 1.000 m 1 μ resolution 1 to 10.00 m 10 μ resolution 10 to 100.0 m 0.1 m resolution voltage range and resolution 1 to 15 vdc across probes 1 to 8.0 v dc 1 mv resolution 8.0 to 15 vdc...
Page 38: Environmental
M avtmbite 3 rev 8 april 2014 32 environmental operating: 32° to 105° f (0° to +40° c) storage: -5° to 130° f (-20° to +55° c) humidity: 20 to 90% rh, non-condensing safety designed to meet 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...
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Avtmbite 3 rev 8 april 2014 33 appendix b - replaceable parts the bite 3 as delivered includes all of the necessary basic accessories to test most battery configurations. However, the number of battery configurations is large. In order to satisfy many of the other battery configurations, a range of ...
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M avtmbite 3 rev 8 april 2014 34 m.
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Avtmbite 3 rev 8 april 2014 35 appendix c - compatibility hardware – unit firmware compatibility operating system pc104 firmware versions supported old windows ce old pc104 versions 1 – 1.9.2.99 new windows ce old pc104 version 2 & even numbers only new windows ce new pc104 version 3 & odd numbers o...
Page 42: Firmware Modifications
M avtmbite 3 rev 8 april 2014 36 firmware modifications firmware code hardware 2.000 old pc-104 new os 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 iss...