The Centronix BMS-4000 Battery Maintenance System integrates with Keithley 2302, 2306, and 2308 instruments to deliver battery charging, discharging, cycle testing, and data logging in a single platform. Built on precision simulator technology, the system measures battery performance with 100 nA DC sensitivity and captures transient behavior across multiple current ranges. Variable output resistance simulation (0 Ω to 1 Ω with 10 mΩ resolution) enables accurate modeling of real-world battery impedance characteristics. The BMS-4000 supports peak, average, and baseline current measurement, long-duration pulse train analysis up to 60 seconds, and automated sense-lead detection. Engineers can apply this system across diverse battery types to optimize performance, extend operational lifespan, and extract actionable insights from detailed voltage and current data.
## Technical Specifications
**Keithley 2302 (Single-Channel Battery Simulator)**
• Output Voltage: 0 V to 15 V DC
• Output Current: 5 A maximum (0 V to 4 V); above 4 V, I_MAX = 60 W / (V_OUT + 6)
• Output Resistance Simulation: 0 Ω to 1 Ω, 10 mΩ resolution (U.S. Patent No. 6,204,647)
• Current Measurement Sensitivity: 100 nA DC
• Current Sinking: Up to 3 A
• Transient Response: Ultrafast
• Power Rating: 60 W
• Pulse Measurement: Peak, average, baseline currents
• Data Logging: Current step measure and long integration mode (up to 60 seconds)
• Voltage Measurement: Built-in digital voltmeter
• Open-Sense Lead Detection: Automatic
• Interface: GPIB
**Keithley 2306 (Dual-Channel Battery/Charger Simulator)**
• Output Voltage: 0 V to 15 V DC
• Output Current: 5 A maximum (0 V to 4 V); above 4 V, I_MAX = 60 W / (V_OUT + 6)
• Output Resistance Simulation: Variable on battery channel (U.S. Patent No. 6,204,647)
• Current Measurement Sensitivity: 100 nA DC
• Current Sinking: Up to 3 A
• Transient Response: Ultrafast
• Pulse Measurement: Peak, average, baseline currents
## Key Features
• Dual and single-channel configurations for flexible test architectures
• Sub-microampere current resolution enables detection of low-level leakage
• Variable impedance modeling supports realistic battery behavior simulation
• Extended logging captures multi-second pulse sequences without data loss
## Compatibility & Integration
Designed for seamless operation with Keithley 2302, 2306, and 2308 battery simulators and charger simulators via GPIB interface.
