Megger BVM Battery voltage monitor

SKU: 4695814-1-766
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  • Expandable up to 242 units
  • Voltage range: 0–20 V DC
  • Resolution: 1 mV precision
  • Accuracy: <0.1% full scale

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Description

Modular Design Enables Automated Battery Monitoring

The Megger BVM Battery Voltage Monitor revolutionizes battery bank testing through its highly adaptable modular design. Built specifically for automated and precise battery cell voltage measurement, the BVM simplifies every stage of the testing process, from setup to data collection. Each BVM module is identical, compact, and can be inserted at any position within the battery string under test. This approach removes any confusion about unit order, ensuring seamless preparation before testing begins. For extensive battery banks, the BVM’s innovative “daisy-chain” system supports up to 2×120 battery cells, accommodating virtually any industrial scale. This feature ensures that even the largest power plants, telecom installations, or data center UPS battery banks can be monitored accurately. The modular design is central to the BVM’s reputation for efficiency, flexibility, and ease of use in professional maintenance environments.

Quick Setup Facilitates Fast and Accurate Testing

Efficient deployment is a hallmark of the Megger BVM system. Each BVM unit is designed for quick connection using standard dolphin clips or a variety of extension cables, ensuring compatibility with virtually any battery terminal configuration. The “Auto Discovery” feature is a standout, allowing the host instrument—such as the TORKEL load unit or a PC running test software—to automatically recognize and assign sequence numbers to each connected BVM in the string. This capability vastly reduces the time and potential human error involved in configuring complex tests, especially for large installations. Fast and secure connections, coupled with intelligent system design, enable users to conduct rigorous testing sessions with minimal setup time and maximum reliability. The robust connectors and system expandability underscore the BVM’s position as an indispensable asset for battery maintenance and compliance testing.

Seamless Integration with Test Management Software

The Megger BVM is engineered for optimal compatibility with leading test management software such as PowerDB and TORKEL Win, allowing real-time automated monitoring and flawless data capture. These powerful software packages not only streamline the entire testing workflow—from test execution to reporting—but also ensure data integrity and rapid digital recordkeeping. Integration with Megger’s acclaimed TORKEL load banks enables operators to run IEC- and IEEE-compliant capacity tests entirely automatically, meeting strict standards such as NERC/FERC. The BVM’s data output connects conveniently via Ethernet or USB, facilitating direct communication with TORKEL900-series units or PCs, offering both standalone and integrated test solutions. This ensures technicians can generate, review, and share complete test results efficiently, contributing to increased operational transparency and regulatory compliance.

Essential Applications in Modern Industrial Settings

The Megger BVM’s versatility makes it a critical tool for power utilities, telecom, and data center maintenance teams worldwide. Its primary application is the automated measurement of battery cell voltages during capacity and discharge tests—operations that are fundamental to the health and reliability of backup power systems. In electrical substations, the BVM enables periodic battery bank assessment to prevent power outages caused by battery failure. In telecom infrastructure, where continuous operation is vital, the BVM supports efficient, system-wide battery testing without disrupting service. For UPS systems in critical data centers, the BVM offers quick fault detection and condition assessment—helping IT managers avoid costly, unexpected downtime. In sum, the BVM is tailored to the needs of organizations demanding the utmost in battery reliability and power assurance.

Advanced Features Ensure Reliable and Precise Measurement

Accuracy and stability are at the core of the Megger BVM’s technological edge. Each device provides high-precision measurement with a voltage resolution of 1 mV and an accuracy better than 0.1% of full scale ±0.01VDC. The wide measurement range (0–20 V DC per cell) covers almost all battery chemistries encountered in industrial applications. The system’s input impedance of 1 MΩ ensures minimal influence on the circuit under test, while robust overvoltage, reverse-voltage, and transient protection safegaurds prevent equipment damage during challenging field conditions. For additional safety and functionality, optional opto couplers are available for high-voltage scenarios (above 300 V per loop), enabling safe operation in battery rooms exceeding standard voltage limits. These features collectively guarantee both safety and data integrity during rigorous testing cycles.

Expandability and Compatibility Drive Operational Flexibility

The “daisy chain” expandability of the Megger BVM makes it uniquely scalable for any application, from small backup battery banks to massive power-grid installations. Users can link up to 242 BVM units (2×121 per loop) within a single battery test, ensuring even the most extensive systems can be comprehensively monitored in a single run. Setups involving battery banks over 300 V DC or using more than 120 cells are supported by dual loop architecture and optional accessories such as opto couplers and ungrounded power supplies, guaranteeing operational safety and flexibility. Whether using the latest Megger TORKEL models, older load banks, or a facility’s existing UPS load, the BVM’s universal design and extensive accessory range ensure it is compatible with virtually any infrastructure requiring periodic battery verification.

Purchase with Global Quality Guarantee at tpt24

For those seeking the Megger BVM Battery Voltage Monitor, tpt24 stands as the world’s premier online store for this product. Customers across all continents rely on tpt24 not only for their competitive pricing and comprehensive product range but also for their guarantee of authenticity and worldwide delivery assurance. Every Megger BVM purchased from tpt24 is guaranteed genuine and is delivered with the manufacturer’s full quality assurance, regardless of your country. This commitment provides peace of mind, knowing your investment in battery testing technology is protected, and that you are equipped with industry-leading solutions. Secure ordering, responsive support, and after-sales service from tpt24 underscore why it is the most trusted online destination for electrical testing professionals worldwide.

Accessories and Support for Every Testing Requirement

To further enhance usability and versatility, the Megger BVM system is supplied with a variety of essential accessories, from dolphin clips for standard terminations to extension leads, ring connectors, and software management tools. Optional calibration kits and opto coupler modules enable adaptation to unique installation requirements, including setups exceeding 300 V or with non-standard connectivity needs. With every purchase, customers receive a robust carrying case, power and signal connectors, and all necessary cables, streamlining test preparation and transport. Software such as PowerDB is universally available for data capture and reporting, while calibration kits ensure continued measurement reliability over the equipment’s lifecycle. For more information or specialized kits (such as 16, 31, or 61-unit configurations), tpt24 offers full ordering support and product documentation.

Specifications

 

Feature Specification
Measurement Principle Modular, cell/block voltage monitoring
Voltage Range (per cell) 0 – 20 V DC
Voltage Resolution 1 mV
Accuracy < 0.1% of full scale ±0.01VDC
Max BVM Units 242 units (2×121 loops)
Input Impedance 1 MΩ
Battery String Voltage Max 300 V DC per loop (600 V w/ 2 loops & software)
Operating Temperature +5°C to +50°C (41°F to 122°F)
Storage Temperature 0°C to +60°C (32°F to 140°F)
Humidity Range 5% – 95% RH, non-condensing
Mains Voltage 100–240 V AC, 50/60 Hz
Power Consumption Max 50 VA
Device Protection Overvoltage, reverse voltage, transients, ESD
BVM Unit Dimensions 75 x 64 x 25 mm (3” x 2.5” x 1”)
BVM Unit Weight 0.07 kg (0.15 lbs)
System with 31 Units 8.8 kg (19 lbs) including accessories/case
System with 61 Units 12.5 kg (27 lbs) including accessories/case
Certification CE, RoHS, IEC/IEEE/NERC/FERC compliant
Included Accessories Dolphin clips, connectors, cables, carrying case
Optional Accessories Opto coupler, calibration kit, extensions
Control & Data Interfaces Ethernet, USB (for TORKEL or PC connection)
Compatible Software PowerDB, TORKEL Win, TORKEL Viewer
Altitude Limit < 2000 m (6500 ft)

Data Sheet

Download Data Sheet Of Megger BVM Battery voltage monitor