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SV 38

SV 38 Whole-Body Vibration Accelerometer

The SV 38 is a MEMS-based triaxial accelerometer designed for whole-body seat vibration measurements when used with the SVAN 958A four-channel analyser. The seat pad complies with ISO 8041:2005 and ISO 2631-1 standards, making it suitable for both seat and seat-back vibration measurements. For periodic verification, the accelerometer can be easily removed from the seat pad and mounted on a shaker using the optional SA 38 adapter.

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Technical Specifications

SV 38 Whole-Body Vibration Accelerometer

SV 38 is a MEMS-based triaxial accelerometer designed for accurate whole-body vibration measurement in compliance with ISO 8041:2005 and ISO 2631-1 standards. It provides high-resolution, real-time data for seat and seat-back vibration analysis, ensuring reliable assessment of human exposure to vibration. The device is optimized for use with multi-channel analyzers, offering precise signal acquisition and stability. With its removable sensor design and optional calibration adapter, SV 38 ensures easy verification, durability, and consistent measurement performance.
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Key Features

  • MEMS-based triaxial accelerometer for accurate vibration measurement

  • Designed for whole-body vibration analysis (seat and seat-back)

  • Complies with ISO 8041:2005 and ISO 2631-1 standards

  • High-resolution, real-time data acquisition

  • Compatible with multi-channel analyzers like SVAN 958A

  • Removable sensor for easy calibration and verification

  • Optional adapter for shaker-based periodic calibration

  • Stable and reliable performance in dynamic environments

Applications

  • Whole-body vibration exposure assessment

  • Seat and seat-back vibration measurement

  • Occupational health and safety studies

  • Automotive and transport vibration testing

  • Machinery and operator vibration analysis

  • Compliance testing with international vibration standards

  • Research and development (R&D) applications

  • Field measurements in industrial and workplace environments

Accuracy (Standalone)
Accuracy with RTK
Resolution
V: 1.8 m; H: 1.2 m*
V: 10 mm + 0.8 ppm x baseline*; H: 5 mm + 0.5 ppm x baseline*
1.8 mm
Accuracy
Resolution
0.05 % eq. to ±1.8 cm braking accuracy
1 cm
Accuracy
Resolution
0.01 km/h
0.01 km/h
Accuracy
Resolution
0.1° / 0.01 s
0.1° / 0.01 s

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What is VBOX 4 and what is it used for?

VBOX 4 is a high-precision automotive data logger used for vehicle testing, including braking, acceleration, ADAS validation, and performance analysis. It provides accurate speed, position, and motion data using advanced GNSS RTK technology.

VBOX 4 stands out due to its centimeter-level accuracy, 100 Hz GNSS RTK receiver, and full CAN bus logging capability, allowing engineers to capture complete vehicle data without missing any signals.

Yes, VBOX 4 is widely used for ADAS and autonomous vehicle testing, including applications like adaptive cruise control, lane assist, and collision avoidance with high accuracy and multi-target tracking.

VBOX 4 offers extremely high accuracy, including speed accuracy of 0.1 km/h and brake distance accuracy up to ±1.8 cm, making it ideal for professional automotive validation.

Yes, VBOX 4 supports integration with IMU sensors, CAN systems, and driving robots, enabling advanced testing setups and real-time data synchronization for detailed analysis.

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