Equipment Type and Primary Applications
The RS-BM500 is a 500 amp battery monitor with shunt for measuring battery voltage, current, and amp-hour capacity in battery systems operating from 8 to 120 V. It is suited to applications requiring remote monitoring of battery charge and system consumption.
Performance Specifications
- Model: RS-BM500
- Battery voltage range: 8–120 V
- Capacity accuracy: ±1.0%
- Voltage accuracy: ±1.0%
- Current accuracy: ±1.0%
- Capacity setting value: 0–500 A
- Current range: 0.1–9999 Ah
- Working dissipation: 10 mA
- Standby dissipation: 1 mA
- Backlight-on current: 80 mA
Safety Features and Certifications
- For accurate measurements, connect the battery negative terminal directly to the shunt B- terminal; do not make other connections to the battery negative terminal.
- Disconnect all wires from the battery negative side before installation.
- Do not stack smaller terminals beneath larger terminals.
Installation and Maintenance Requirements
- Mount the shunt as close to the battery as possible and mount the remote display on a wall.
- Use appropriately sized battery-cable ring terminals, a wrench, drill, jigsaw, and crimp tool.
- Cut the negative battery cable and install new ring terminals, or use a wire sized for the system’s full current demand.
- Connect the shunt to the remote display with the included shielded cable and connect B+ using the included B+ wire.
Warranty and Service Information
Branding/References
Manufacturer reference: RS-BM500. Package dimensions are 8 × 6 × 3 in, with a gross weight of 2 lb.
Differentiators
The monitor combines a 500 A capacity setting with broad 8–120 V battery compatibility and a remotely mounted display connected through shielded cable.