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Megger BITE 2P Determines the Overall Condition of the Entire Battery

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Megger_bite2pThe Megger BITE 2P Battery Impedance Test Set determines the condition of lead-acid and nickel-cadmium cells up to 7000 Ah.

An advanced feature set has been developed that includes Pass/Warning/Fail calculations based on a user-entered baseline value, advanced printing functions and more.

The case of the Megger BITE 2P consists of both the transmitter and a carrying case for all of the standard accessories and some of the optional accessories, in an all-in-one unit.

The instrument works by applying a test signal across the battery string while on-line, then calculates impedance based on simultaneous measurements of current and resulting voltage drop of each cell/jar.

The Megger BITE 2P also measure dc voltage and interconnection (strap) resistance to help determine the overall condition of the entire battery string’s electrical path from terminal plate to terminal plate.

Megger BITE 2P Specifications:


Test lead-acid and nickel-cadmium cells up to 7000 Ah.

Maximum Total Voltage at Current Source Leads

275 V dc (larger battery systems can be sectioned to accommodate this specification)


Supply Voltage

100 to 130 V, 50/60 Hz, 200 VA max

210 to 250 V, 50/60 Hz, 200 VA max

Source Output Current

10 A nominal, 50/60 Hz operation

Maximum Battery String Test Voltage

275 V dc at source lead terminals (section the battery if >275 Vdc)


Digital LCD meter, 0 to 15 A


Built-in thermal, with 4.25 in. (110 mm) printing width


Supply Voltage

100 to 130 V, 50/60 Hz, 14 VA

210 to 250 V, 50/60 Hz, 14 VA


6.50 V dc @ 1.10 A dc charging (max)

9.60 V dc open circuit



ac impedance 5% +1 LSD

dc voltage ±(0.5% of rdg +1 LSD)


Better than 0.5% one sigma

Voltage Range and Resolution

1 to 2.500 V dc, 1 mV resolution

2.5 to 25.00 V dc, 10 mV resolution

Impedance Range and Resolution

0 to 1.000 mΩ, 1µΩ resolution

1 to 10.00 mΩ, 10µΩ resolution

10 to 100.0 mΩ, 0.1mΩ resolution

Setting Time per Reading

3 seconds maximum


LCD, 2 x 16 characters


4.8 V dc, 800 mAh, quick charge nickel-cadmium battery pack

Battery Pack Life, Full Charge

5 hours continuous

Maximum Cell/Jar Test Voltage

25 V dc between receiver and potential probe


Operating: 32 to 105° F (0 to 40° C)

Storage: -5 to 130° F (-20 to 55° C)

Humidity: 20 to 90% RH, noncondensing

Clamp Range

Standard CT

2.0 in. (50 mm) maximum opening

Optional Miniature CT

0.5 in. (12 mm) maximum opening

Optional RopeCTTM

12 in. (300 mm) opening, approx.


Designed to meet IEC 61010-1



7.5 H x 18.5 W x 14.6 D in. (19 H x 47 W x 37 D cm)

Receiver (irregular shape)

7.25 H x 11.25 W x 2 D in. (18 H x 29 W x 5 D cm)



18 lb (8.2 kg) alone, 32 lb (14.5 kg) packed


1.6 lb (0.7 kg

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