The Yokogawa 701275 is a dual-channel input module for acceleration and voltage signal measurement, engineered for vibration analysis, shock testing, and dynamic signal characterization. This module switches per channel between acceleration and voltage inputs, supporting simultaneous or independent measurements. Built-in anti-aliasing filters ensure high-fidelity signal capture across its operating bandwidth, while integrated sensor bias enables direct connection of amplifier-type accelerometers from major manufacturers including Kistler, PCB, and Endevco without external conditioning electronics. The 16-bit isolated architecture and up to 100 kS/s sampling rate deliver the resolution and speed required for transient and frequency-domain analysis in aerospace, automotive, and motor drive applications.
– Technical Specifications
Input Characteristics
• Dual-channel acceleration and voltage inputs (switchable per channel)
• 16-bit isolated inputs
• 100 kS/s maximum sampling rate per channel
• Input impedance: 1 MΩ ±1%, 35 pF
Frequency Response
• Voltage measurement: DC to 40 kHz
• Acceleration measurement: 0.4 Hz to 40 kHz
• Integrated anti-aliasing filters for aliasing distortion reduction
Acceleration Sensor Integration
• Built-in constant current bias: 4 mA at 22 V
• Direct connection support for Kistler Piezotron™, PCB ICP™, and Endevco Isotron™ accelerometers
• High-impedance sensor compatibility via external charge converters
– Key Features
• Dual-channel simultaneous or independent operation
• No external power supplies or charge amplifiers required for amplified accelerometers
• Broad sensor manufacturer compatibility
• 16-bit resolution with isolated inputs
– Typical Applications
• Vibration and shock analysis
• Dynamic signal measurement
• Aerospace structural testing
• Automotive and EV powertrain diagnostics
• Motor and drive characterization
– Compatibility & Integration
Designed for Yokogawa ScopeCorder platforms: DL350, DL850E, DL850EV, SL2000, DL950, SL1000, DL750, and DL750P.
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