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Adash A4300 - VA3 Pro

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The A4300 VA3 Pro is the newest addition to our range of portable devices for vibration diagnostics.

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Product Description

A4300 VA3 Pro - 3-channel vibration analyzer

The A4300 VA3 Pro is the newest addition to our range of portable devices for vibration diagnostics.

There are 2 signal inputs and 1 tacho/trigger input. Input 2 offers connectivity to a triaxial sensor, therefore all 3 channels can be measured simultaneously. The expert system developed by Adash can automatically detect machine faults such as unbalance, looseness, misalignment and bearing faults.

There is a non-contact IR temperature sensor (for immediate bearing temperature measurement) and a LED stroboscope/torch.

The A4300 VA3 Pro is designed for one-handed operation. With a weight of just 780g and a battery life of more than 10 hours of operation, the unit is suitable for long route measurements. The A4300 VA3 Pro instrument can be configured according to your requirements by choosing optional modules e.g. analyzer, route, balancer. Optional modules can be purchased also additionally and downloaded to the instrument without the need of sending it back to the factory.

Major Features of the A4400 VA4 Pro

  • Low weight 780 g 
  • Long lasting battery 
  • Ideal for route measurement 
  • Route compatibility with VA4 Pro
  • Includes stroboscope and torch


Technical Specifications:

Input channels:

3 AC, ICP® power supply on/off 3 DC for process values

1 TACHO for 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:

Maximum range: 1 Hz - 25 kHz (64 kHz sampling) Minimum range: 1 Hz - 25 Hz (64 Hz sampling)

Sampling mode:

Fully simultaneous for 3 channels

FFT resolution:

Min. 25 lines

Max. 25 600 lines

Unit modes:

Analyzer - analytic measurement Data collector - route measurement Balancer

LED stroboscope, LED torch

FASIT - Expert system for fault detection Vibration meter

Data processing:

Real time FFT

DEMOD - ENVELOPE analysis ACMT - low speed bearing analysis Order analysis

User band pass analysis RPM measurement

DC measurement Orbit measurement


Manual, External, Amplitude, Tacho


Colour 240 x 320 pixels, TFT



Temperature range:

-10˚C to +50˚C


Battery 10 hours of operation, AC 230 V


Aluminium heavy duty


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