ZONRI E2445P 24-Bit Vibration & Acoustic Data Acquisition System 4-Channel 576KSps IEPE Ethernet

* 24-bit resolution with 4-channel simultaneous sampling and a sampling rate range of 1-576kS/s.

* High-resolution sampling rate setting with 0.1S/s resolution.

* DC input ranges: ±1V/±5V; AC input ranges: 2Vpp/10Vpp.

* IEPE/CCLD support with 4mA current excitation and 22V supply, 2Vpp/10Vpp input ranges, and a low-frequency −3dB bandwidth of 1Hz.

* Independently configurable input mode for each interface.

* IEPE/CCLD current source status monitoring and fault indication, with IEPE sensor bias voltage (Vbias) acquisition.

* Low-noise, low-distortion performance.

* Supports external-triggered data acquisition.

* Supports quadrature encoders without a zero-index signal, with 3.3V TTL logic levels and AB-phase outputs.

* Supports counter and frequency meter functions.

* Ethernet connectivity via TCP/IP with an open protocol, supporting development in Python, LabVIEW, and other environments.

* Includes Python example code for convenient, efficient application development, data processing, and analysis. 

* Vibration Signal Analysis: Compatible with IEPE/CCLD accelerometers for vibration measurement and analysis.

* Acoustic Analysis: Compatible with IEPE/CCLD measurement microphones for acoustic measurement and analysis.

* Acoustic and Vibration Dataset Development: Acquire and build datasets for acoustic and vibration research, testing, and analysis.

* DC/AC Voltage Acquisition: Supports the acquisition of DC and AC voltage signals.

* Power Quality Analysis: Electrical power harmonic analysis.

* Acoustic Wave Acquisition in Solids and Liquids: Capture and analyze acoustic waves propagating through solid and liquid media.

* Materials Mechanics Testing: Measurement and analysis for materials mechanics and engineering applications.

* NVH, Modal, and Impact Testing: Data acquisition and analysis for noise, vibration, and harshness (NVH), modal analysis, and impact testing.

* Brand: ZonRi

* Included Accessories: Power adapter

* Processor Architecture: For ARM

* Supported Operating Systems: Windows and Linux

* Typical Application Fields: Energy and environmental monitoring, industrial automation

* Network Interface: RJ45 Ethernet

* Expansion Slot Type: Other

* SDK Support: Python

* 1 x Set of E2445P Data Acquisition Unit (including power adapter)

* Package weight: 0.8kg

Q: What is IEPE interface diagnostics?

A: The LED indicator for each interface displays the status of the connected IEPE sensor, including open-circuit, short-circuit, and abnormal bias voltage (Vbias) conditions.

Q: Does the E2445P support standard audio sampling rates?

A: Yes. The E2445P supports high-resolution sampling rate adjustment, allowing users to configure standard rates such as 44.1kS/s, 96kS/s, and 384kS/s, as well as custom rates such as 123.4567kS/s. The E2445P uses a temperature-compensated clock source to maintain sampling stability.

Q: What are the benefits of high-resolution sampling rate adjustment?

A: Fine-tuning the sampling rate can help capture an integer number of signal cycles in a dataset. This provides a way to reduce spectral leakage without applying a window function, eliminating the need to compensate for the amplitude attenuation introduced by windowing.

Q: How does the E2445P differ from other data acquisition systems?

A: The E2445P combines high performance with an open data interface, offering flexibility in data processing, analysis, and storage. Engineers can implement customized workflows according to their specific requirements without paying for additional proprietary software. E2445P data can also be integrated with deep neural networks for applications such as service life prediction and fault diagnosis.

Q: What are the advantages of high sampling rates and wide bandwidth?

A: In acoustic and vibration applications, a high-performance data acquisition system can capture frequency components in higher frequency ranges. This helps reveal more signal details and identify high-frequency vibration components that may otherwise be missed. Vibration energy may be dissipated as heat or transferred into lower-frequency components.

Q: How does IEPE interface fault detection work?

A: The E2445P measures the bias voltage (Vbias) of connected IEPE sensors, typically vibration sensors or measurement microphones. If the average Vbias exceeds 18V DC or falls below 2V DC, the sensor is flagged as abnormal. The status is indicated by the LED corresponding to the affected channel.