A4404 SAB

4-Channel Pocket Size Vibration Analyzer

A4404 SAB signal analyzer box

The A4404 SAB (Signal Analyzer Box) is a pocket size 4 channel vibration analyzer. Connect the A4404 SAB to any computer by USB and use the unit for data analysing, collecting and the recording of vibration signals. The instrument is powered directly by USB connection so no external power is needed.

The A4404 SAB is ideal for traveling and for teaching purposes. 

Install free Virtual Unit software to your computer to get all the functions of A4400 VA4 Pro II analyzer. 

Free Virtual Unit software

A4404 SAB signal analyzer box

Key Features

  • Small and light pocket vibration analyzer
  • No batteries needed (powered from the PC)
  • Memory size depends on the PC
  • Ideal for traveling and for teaching purposes
A4404 SAB virtual unit with PC

A4404 SAB Modules

Technical Specifications

Input channels:
4 x AC, ICP® power supply on/off
4 x DC for process values
1 x TACHO for speed probe / external trigger
Input range:
AC +/- 12 V peak-peak
DC +/- 24V
AD conversion:
24 bit, 64 bit internal signal processing
No AutoGain function!
Dynamic range S/N:
120 dB
Frequency ranges (-3 dB):
Maximum range: 0.35 Hz - 90 kHz (1 Ch, 194 kHz sampling)
Maximum range: 0.35 Hz - 25 kHz (4 Ch, 64 kHz sampling)
Minimum range: 0.35 Hz - 25 Hz (4 Ch, 64 Hz sampling)
Sampling mode:
Fully simultaneous for 4 channels
FFT resolution:
Min. 100 lines
Max. 3 276 800 lines
Measurement modes:
Analyzer - analytical measurements
Data collector - route measurements
Balancer - 1 and 2 plane on site balancing
Recorder - raw signal recording for later post analysis
Stethoscope - listening of the bearing/machine noise
FASIT - expert system for automatic fault detection
Octave analyzer - hearable sound measurement
Bump test - measurement of natural frequencies
ADS - Animated Deflection Shapes (Operating deflection shapes)
Ultrasound - measurement of ultrasound in 30 - 50 kHz range
According to the PC
Memory, Route:
According to the PC hard drive
Data processing:
Real time FFT
ACMT - low speed bearing analysis
Order analysis
User band pass analysis
RPM measurement
DC measurement
Orbit measurement
Signal recorder:
3 GB/hour of memory consumption with 64 kHz sampling frequency measured on all 4 Channels
Manual, External, Signal level, Time
Use for signal recording trigger
Speed change, Time interval
USB 3.0, 2.0 compatible
Temperature range:
-10˚C to +50˚C
USB powered
Aluminium - heavy duty
Size & Weight:
110 x 115 x 35 mm, 350 g

Minimum PC requirements:
CPU : Intel Atom 1.66GHz
HDD: 160GB
USB full speed 1.1 or 2.0

Data Sheets & Manuals

Data sheet vibration meter a4900 Vibrio

Data sheet


Manual vibration analyzer A4400 VA4 Pro

A4404 SAB Manual


Manual virtual unit A4410

Virtual Unit Quick Start Guide