PLACID PQ401-A/B Four-Channel Data Acquisition Device | 24-bit DAQ with SDK for MATLAB, C++, C#, Python
PQ401-AB
The PQ401-A/B is a four-channel data collection device with a high sampling rate and compact size. It supports both IEPE and voltage input methods, adopts the mature TCP/IP protocol, and comes with a built-in SD card. Paired with PQ Analyst software for efficient data acquisition and analysis. Open ...
Companion Software Included
Works seamlessly with PQ Analyst — advanced software for real-time FFT, spectrogram, octave analysis, and sound level measurement.
In-Depth Overview
The PQ401-A/B is a four-channel data collection device with a high sampling rate and compact size. It supports both IEPE and voltage input methods, adopts the mature TCP/IP protocol, and comes with a built-in SD card. Paired with PQ Analyst software for efficient data acquisition and analysis. Open SDK for C, C#, MATLAB, Python — ideal for university research labs, PhD thesis work, and R&D departments. Two variants: PQ401-A (128kHz) and PQ401-B (196kHz). 24-bit resolution, 114 dB dynamic range, 520g portable design.
Recommended Companion Software: PQ Analyst
Pair this DAQ device with PLACID PQ Analyst — an integrated software platform for real-time acoustic and vibration signal acquisition, visualization, and analysis. Together they form a complete measurement and analysis chain for R&D, university research, and industrial testing.
- Real-time FFT spectrum analysis up to the full bandwidth of your DAQ
- Spectrogram (waterfall) display for time-frequency visualization
- 1/1 and 1/3 octave band analysis per IEC 61260
- Sound Level Meter module (Leq, Lmax, Lmin, LN) per IEC 61672
- Data export to CSV for post-processing in MATLAB or Python
- Compatible with PQ401-A, PQ401-B, PQ441-C, and PQ1601
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