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Nihon Kohden AD-631G High-Gain DC Amplifier Module
Product Description
The Nihon Kohden AD-631G is a used high-gain DC amplifier module designed for physiological measurement systems. It amplifies low-level signals from transducers used for blood pressure, tension, and displacement monitoring, with output suitable for a recorder or monitor.
Key specifications and functions:
- Sensitivity adjustment: 1–10 step control with ×10 mmHg/cm, g/cm, and mm/cm scale indications
- Input modes: Blood Pressure, Tension, and Displacement
- Zero and calibration control: ZERO / OFF / CAL selector switch
- Signal conditioning: DIRECT / 60 Hz hum-rejection filter selection
- Averaging: 2-second mean function for waveform observation
- Adjustment control: AL ADJ. volume control for alarm or amplifier adjustment
- Input connection: Front-mounted multi-pin circular connector
- Installation: Slot-in module structure for compatible Nihon Kohden rack systems
- Application: Physiological signal amplification for biomedical monitoring and laboratory research
This Nihon Kohden biomedical amplifier module is intended for integration with compatible Nihon Kohden equipment racks and transducers. No accessories are included. The unit is sold as-is, and its original performance or functionality may not be fully available due to its used condition.
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