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BITE 3 Battery Impedance Tester (up to 2000Ah)

The Megger BITE 3 determines health of lead-acid cells, has on-line testing with Pass/Warning/Fail calculations, measures impedance, interconnection resistance, cell voltage, float & ripple currents.

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5850.00 incl. VAT)
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Megger BITE 3 Battery Impedance Tester up to 2000Ah

The Megger BITE 3 is able to test batteries in a string by measuring the battery voltage and impedance.  This test is essential to ensure the condition of your assets, as a single weak battery can damage the entire string.  The BITE 3 tests the health of the charger by measuring the ripple and float currents.  This test is also of vital importance as a charger with a bad rectifier can damage the entire string. 

Intercell connections are mechanical connections that change over time due to vibration and moisture, as well as from heating and cooling effects.  The BITE 3 measures the resistance of these intercell connections enabling you to locate and fix poor connections.

The BITE 3‘s intuitive user interface allows you to easily find the data stored in the unit, so you can quickly detect where problems might be before you leave the site.  Battery strings have different configurations this can make programming a battery tester complicated.  The BITE 3 utilises an auto cell strap detection which means no complicated programming is required, just name your string and start testing.

Do you have a noise issue?  The BITE 3 not only tests your string but also troubleshoots the problems.  The tester has a built in spectrum analyser so you can find the source of that noise and correct it.  The BITE 3 the only battery string tester you‘ll ever need!


Megger BITE 3 Comprehensive Battery Maintenance

The BITE 3 is one of the easiest instruments to use.  Its measurements, along with temperature, specific gravity and other battery data, can provide the best basis for evaluating the overall health of batteries from terminal plate to terminal plate and to a lesser extent, the charger (from ripple current and its harmonic content.) Megger recommends that the BITE 3 be made part of a comprehensive battery maintenance program with readings taken and recorded semi-annually for flooded, lead-acid cells and quarterly for VRLA.


▶ Video: Megger BITE3 Battery Tester Application:

Thumbnail for the Megger MFT1741 video

Megger Bite 3 Key Features:

  • Quick, reliable, easy-to-use
  • Rapid test time
  • 1 person operation
  • Determines health of lead-acid cells up to 2000 Ah
  • Measure cell/string parameters without taking the system off-line
  • On-line testing with Pass/Warning/Fail calculations
  • Windows CE operating system with 32 MB of memory
  • Includes PowerDB LITE Management Software
  • Store more than 1 million cells’ data in any string configuration


Megger Bite 3 Measures:

  • Impedance
  • Interconnection resistance
  • Cell voltage
  • Harmonic content of the ripple currents
  • Float currents


What does the Megger BITE3 Come with?

  • Megger BITE 3 Battery Impedance Tester
  • PowerDB software
  • Canvas carrying case
  • RS-232 null modem cable
  • Line charger
  • Line cord
  • Battery
  • Dual-point lead set
  • 332Tip kit
  • Operating manual


Technical Specification for: Megger BITE 3 Battery Impedance Tester (up to 2000Ah)

0.05 to 1mΩ1μΩ resolution
1 to 10mΩ10μΩ resolution
10 to 100mΩ0.1mΩ resolution
1 to 30V DC across probesN/A
1 to 8V dc1mV
8.0 to 30.00 V dc10 mV resolution
0.5 - 9.99 A ac/dc0.01 A resolution
10.0 - 99.9 A ac/dc0.1 A resolution
DC Voltage±(1% rdg +1 lsd)
AC Impedance±(5% of rdg +1 lsd)
AC/DC Current±(5% rdg +0.5 A)
PrecisionBetter than 0.5% one sigma
Source Output Current1/2 A rms
Display1/4 VGA LCD
Settling Time per Reading3 seconds maximum
Battery Pack2 to 4 hours continuous
4.8 V dc, 7000 mAh, quick charge NiMH battery pack
Operating32° to 105° F (0° to +40° C)
Storage-5° to 130° F (-20° to +55° C)
Humidity20 to 90% RH, noncondensing
SafetyDesigned to meet IEC 61010-1 specifications
Dimensions220 x 100 x 237 mm (8.6 x 4 x 9.5 in.)
Weight2.6 kg (5.7 lbs)


Accessory Code Description Price (Ex VAT)
249003 Field Test Shunts : 0.01 Ohm current rating 10A price on request
249004 Field Test Shunts : 0.001 Ohm current rating 100A price on request
249005 Field Test Shunts : 0.0001 Ohm current rating 500A price on request
35865 Lighted Probe Extension £340.00 ADD
35871 USB-serial Adaptor £35.00 ADD
35873 CT Kit (telco only) £580.00 ADD
35890 Hard-sided carrying case £415.00 ADD
BI-10004 AMP/Burndy Lead Set £115.00 ADD
BI-10005 accessory Kelvin Clip Lead set £220.00 ADD
BI-10006 Quick disconnect Lead set £115.00 ADD
MCCA-100B3 Flex CT (6 inches) price on request