dB4 is a Sound and Vibration analyzer, the most compact 4-channel USB-II data acquisition unit. dBFA Suite software dedicated to data acquisition and processing along with dB4 makes a quite unique high-resolution measurement system.

Full Performance 4ch Analyzer for using anywhere!

Hardware Platform

• 4 channels 24 bit DAQ (DC-20 kHz Full Frequency range) plus Tacho and Ext. Trigger inputs
• Parallel Real time processing and recording
• Application-oriented processing tools
• Data Import/Export capabilities
• TCP/IP commands on open Software platform for custom development

A complete set of software tools

• Simultaneous real-time multi-analysis, such as:
• Averaged and multi-spectra with FFT and 1/1 down to 1/48 octave
• Cross-spectra, Statistics…
• Advanced software package for:
• Frequency Response Functions,
• Order analysis (option),
• Transient and Impact Testing analysis (option)
• Application-oriented post-processing functions with analysis scripts
• Transducers Database management: Sensors, calibrators, calibration history,...
• Data Import/Export: ASCII, UFF58, Wave, nCODE, Matlab™, MeScope, mp3, SDF, ASAM/ODS, SONY, TEAC (Digital format)
• Bi-directional link to Matlab™ and compatibility with Office software suite
• Automatic reporting capabilities from real-time and post-processing modules

Options

• RPM recording and Order analysis
• Sound Imaging and Mapping
• Sound Quality and Sound Perception

Hardware features

• Analog input channels: 4, single ended, simultaneous
• Channel input connectors: BNC with high rigidity frame
• Analog output channels: 1 (BNC connector)
• Digitization: 24 bits linear
• Maximum Sampling Rate: 52.734 kHz
• Minimum Sampling Rate: 195.3 Hz
• Tacho channels: 1 (31 bits)
• Maximum Input Frequency: 380 kHz

Analog input/output characteristics

• Input impedance: 1MOhm
• Input range: 10 V rms (-15V to +15V), 1 V rms (-1.5V to +1.5V)
• Maximum allowable voltage: ±20 V (power off), ±30 V (power on)
• Overvoltage protection: ±40 V
• Sensor power supply: IEPE
• Dynamic range: 106 dB
• THD: -90 dB typically
• External trigger: BNC connector
• Trigger logic family: LVTTL inputs
• Output Range: ±10 V

Environmental features

• Operating temperature: 0°C to 55°C
• Storage temperature: -25°C to 85°C
• Humidity: 95% RH (no condensation)
• Altitute: up to 10000 feet
• EMI: FCC Part 15, EN55022:1994+A1:1995+A2:1997, VCCI, AS/NZS 3548, Class A
• Immunity: EN 61000-6.1:2001

Physical features

• Dimensions: 100 mm (W) x 18 mm (H) x 190 mm (D) excluding projections
• Weight: 491 g

Power supply features

• Power, +5 V: ±5 V @0.5 A

Software dBFA Suite (Recorder - Analyzer - Post-Processing)

• Simultaneous signal recording and real-time multiprocessing and monitoring, post processing analysis (Average 1/n octave, 1/n octave vs. time, Average FFT, FFT vs. Time, FRF...),
• Calculation on spectra and signals,
• Color spectogram and waterfall,
• Tacho acquisition,
• Signal edition,
• Import of Teac/Sony files...
• Reporting Module. Analyzer and post-processing option

Software options (included in PRO-GP117A)

• RT Automation (user-defined sequential acquisition procedure)
• Transient / Impact mode: Coordinates management, user-defined windowing, Me'scope format export, Reporting Module both in Analyzer and Post-Processing; MATLAB communicator in Post-Processing
• Order (Analysis and Tracking in Real Time and post-Processing)
• Time-Frequency Transforms, De-noising, Convolution (Post-Processing on signals)