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The Megger Battery Voltage Monitor (BVM) is a battery voltage measurement device that is used for capacity testing of large, industrial battery banks and in conjunction with a battery load bank, such as the Megger Torkel series.
These types of battery banks are commonly found in electrical power substations, telecom facilities and computer data center UPS systems.
When used in conjunction with a load device, such as the TORKEL unit, and test data management software, such as PowerDB Lite, the BVM enables a completely automated battery bank capacity test, IEC test method. The test also meets NERC/FERC requirements. The BVM is designed in modular form so one BVM device is used for each battery or “jar” in the test string. One BVM for each battery connects to the next in a “daisy chain” fashion, thereby providing easy and economical expandability to meet the testing requirements for small to large battery bank systems.
The included dolphin clip can be removed easily and exchanged with different styles of standard banana plug clamps and/or extension cables to accommodate any battery connection requirement. Setup is fast and easy using the BVM. Each BVM is identical and can be connected in any battery test position, thus providing maximum flexibility and interchangeability of the BVMs. Up to 120 BVMs can be daisy-chained in a single battery bank under test. The BVM “Auto Discovery” feature enables the host device to automatically determine the number of batteries under test and provide sequential identification of each BVM in the test string.