The NVT ARD-LOGGER device is a highly compact and portable system designed to acquire and measure analog signals generated by MEMS (Micro-Electro-Mechanical Systems) accelerometers. This device integrates advanced technologies to ensure accurate and reliable recording of vibrations and dynamic parameters across a wide range of applications.

Key Features:

• Portability: With its compact and lightweight design, the system can be easily transported and used in industrial, civil, and field environments.

• Data Acquisition: Capable of recording analog signals with high precision, making it ideal for monitoring vibrations, impacts, and other dynamic phenomena.

• Compatibility with MEMS Accelerometers: Specifically designed to work with MEMS sensors, it ensures high sensitivity and linear response across a wide frequency range.

• Ease of Use: The intuitive user interface allows operators to quickly configure the system and access acquired data in real-time or store it for subsequent analysis.

• Durability: Built with high-quality materials, it is capable of withstanding harsh environmental conditions, making it suitable for both indoor and outdoor applications.

The microcontroller-based system features three/six inputs for analog signals, equipped with 12/16-bit converters and a programmable sampling frequency of up to 5 kS/s per channel, with an input signal range of 0-3 V. It is capable of recording metrics and signals onto an SD Card with capacities of up to 16 GB and optionally includes signal analysis capabilities such as Overall RMS, Spectral Analysis, and Integration.

The tri-axial MEMS accelerometer enables measurement along three axes with a bandwidth exceeding 1 kHz, a full-scale range of 16g, and noise levels below 1 mg. Additionally, it is equipped with a power management system, an output buffer to minimize the effects of electrical disturbances, and a temperature sensor with a range of -25°C to +100°C. The die-cast aluminum case facilitates easy field installation and ensures compliance with electromagnetic emission/immunity standards.

Application Software Versions

1. Microcontroller-Based Software: Designed for real-time signal acquisition and analysis.

2. PC-Based Software: Dedicated to post-processing analysis of the results.

Real-Time Acquisition and Analysis Software Features:

• Buffered Signal Acquisition: From 1 to 5 seconds, depending on the sampling frequency.

• User-Defined Acquisition Intervals: Configurable between 5 and 600 seconds for operational flexibility.

Post-Processing Analysis Software Features:

• Signal Loading: Compatible with signals acquired via the NVT module.

• Comprehensive Analysis Tools: Includes time-domain, frequency-domain, and time-frequency diagram analysis.

• Metric Calculation: Offers various measurement options and calculations for identified metrics.

This system provides a versatile and robust solution for real-time signal acquisition and analysis, as well as detailed post-processing, ensuring high adaptability for various operational needs.

The NVT ARD-LOGGER is utilized across a variety of sectors, including:

• Vibration monitoring in industrial facilities.

• Structural analysis of buildings and civil infrastructure.

• Performance assessment of rotating machinery and mechanical components.

• Quality control in production environments.

Thanks to its versatility and reliability, the NVT ARD-LOGGER is an ideal solution for professionals and technicians who require a portable and precise measurement tool for monitoring and analyzing dynamic analog signals.

General (subject to variations)

• Aluminum enclosure with IP66 protection. Dimensions: 180x80x50 mm

• Programmable Sampling Frequency from 500 to 5000 S/s

• Signal Recording (Time) in TXT format on SD Card (up to 16 GB)

• Power Supply: 12 to 24 Vdc with typical consumption below 200 mA

• Connectors: Choice of Terminal Block, DIN, or XLR

Triaxial Accelerometer

• Full Scale: 16g

• Sensitivity: 60 mV/g

• Frequency Response: DC-1000 Hz

• Noise: 300 µg/√Hz

• Maximum Acceleration: 10,000g

• Zero-g Offset: 1.6V

• Output Impedance: <10 Ohms

• Resonant Frequency: 5.5 kHz

• Temperature Range: -40 / +85 °C

• Temperature Sensor Range: -25 / +100 °C

• Temperature Sensitivity: 10 mV/°C

• Temperature Offset: 500 mV at 0 °C

• Power Supply: 3.75 / 28 Vdc

• Power Consumption: < 5 mA

• Dimensions: 25x20x10 mm

• Weight: 16g