The NI CSM-10A Current Shunt Module delivers high-accuracy current measurement through precision shunt resistor technology. It measures the voltage drop across a 0.01 Ω shunt and converts this signal for direct readout by compatible data acquisition systems and digital multimeters. With ±0.5% accuracy from DC to 25 kHz, the module handles up to 10 A continuous current in demanding automotive, aerospace, and industrial environments.
– Technical Specifications
• Current Rating: 10 A maximum
• Sense Resistor: 0.01 Ω
• Conversion Factor: 1 mV = 100 mA
• Burden Voltage: 400 mV
• Accuracy: ±0.5% (DC to 25 kHz)
• Maximum Working Voltage: ±250 V (inputs to earth ground)
• Fuse Protection: 12.5 A / 250 V, quick-acting, 5 × 20 mm
• Operating Temperature: 0 °C to 55 °C
• Banana Jack Spacing: 0.75 inches
– Key Features
• Direct voltage-to-current conversion eliminates external signal conditioning
• DC and AC current measurement capability to 25 kHz bandwidth
• Integrated fuse protection rated 12.5 A / 250 V
• Low burden voltage (400 mV) minimizes circuit loading
• Installation Category II rated per IEC 664
– Typical Applications
• Power supply and battery current monitoring
• Motor and drive current profiling
• Load testing and characterization
• Transient current measurement in aerospace systems
• Industrial equipment diagnostics
– Compatibility & Integration
The CSM-10A connects directly to any data acquisition system or digital multimeter with standard 0.75-inch banana jack spacing. Confirmed compatible modules include the NI PXI-4070, NI PCMCIA-4050, and NI PXI/PCI-4060. Integration requires a computer system, compatible DMM, test probes (red and black), and a flat-head screwdriver.
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