Megger BITE 2P Battery Impedance Test Set Test Procedures

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Megger-BITE_2PThe Megger BITE 2P Battery Impedance Test Set works by applying a capacitively coupled ac test signal across the battery string while online. The receiver and potential probe are placed at the cell terminals to measure the signal and resulting voltage drop for each cell/jar. During each measurement, impedance is calculated following Ohm’s Law, displayed on the LCD and stored.

The test set also measures, displays and records 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.  The instrument also measures ac ripple current, a charger parameter.

The Megger BITE 2P receiver stores the readings in its internal memory. These measurements, along with other maintenance data such as ambient and pilot cell temperatures and ac ripple current, assist in determining the overall condition of battery systems.

Megger BITE 2P Battery Impedance Test Set Applications:

A battery’s internal impedance increases with decreasing capacity due to various conditions such as age, ambient temperature, discharge history, etc. The Megger BITE 2P measures impedance values and dc voltage for lead-acid and nickel-cadmium cells up to 7000 Ah capacity. Impedance finds electrical path problems due to plate sulphation, post-seal corrosion, dry-out, and poor intracell and intercell connections. This information lets the operator determine maintenance needs such as:

• Cell replacement criteria based on impedance trends.

• Jumpering out a cell or two.

• Clean and/or retorque intercell connectors.

• Shorten the maintenance interval, etc.

Megger is one brand you can count on, and Protec offers for rent, lease or purchase, all the electrical testing equipment you need to get the job done. 

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