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NDT Equipment and Accesories
Measuring and Testing Instruments


The OmniScan MX 
A Field-Proven, Dependable Instrument

OmniScan MX Aero

With thousands of units being used throughout the world, the OmniScan® MX is a field-proven, reliable instrument that is built to withstand harsh and demanding inspection conditions. Compact and lightweight, its two Li-ion batteries provide up to 6 hours of manual or semi-automated inspection time.

The highly legible 8.4 in. (213 mm) real-time color display of the OmniScan MX enables you to see defects and details under any light conditions. Navigate your way through the instrument’s simple and intuitive interface using the scroll knob and function keys, or by connecting a USB mouse to facilitate the inspection analysis.

OmniScan MX

One Platform, Two Modules, Three Technologies: More Flexibility

To meet the requirements of a broader range of applications, eddy current testing (ECT), eddy current array (ECA) and the new bond testing (BT) C-scan technology are available in two module versions. Both of these modules are compatible with the MXE (ECT/ECA) and MXB (BT C-scan) software, providing easy transition between technologies and a very short learning curve.



EC Surface Probe ECA Probe Bond Testing C-Scan
OmniScan MX Modules


Conventional ECT

Eddy Current Array

Bond Testing C-Scan

ECT4 module

Not supported

ECA4-32 module


Most Nortec probes supported

Supports 32 onboard channels and 64 channels with external multiplexer

Requires special adaptor and scanner

ECA is just like ECT 
Large Coverage, Fast Scanning, and Higher Probability of Detection

OmniScan MX Aero

Eddy current array (ECA) technology incorporates several traditional bridge or reflection (driver-pickup) probe coils in order to achieve a much larger coverage in a single inspection pass. Additionally, each ECA probe model is carefully designed to maintain a high probability of detection of a targeted defect range, all along the probe length. With the OmniScan® MX ECA, you can use ECA probes at fast manual-inspection speeds, offering a powerful and productive inspection with color representation and archiving capability.


Single coil: raster scanning

Array probe: one-line scanning

Inspection through Thin Coatings

Eddy current testing (ECT) technology works on the principle of magnetic coupling of a probe sensor (coil) close to a test specimen (conductive material, ferromagnetic or non-ferromagnetic), generating eddy currents inside the test specimen, and displaying signals on the instrument’s impedance plane. With eddy current technology, you can detect defects through thin coatings (such as paint), as long as the distance from the probe to the metal is kept reasonably low—typically in the order of 0.5 mm to 2.0 mm.

As eddy current array and ECT technology share the same basic principles (and physics), it can also perform inspections through paint while offering all advantages of ECA, including large coverage, fast scanning, high probability of detection and color imaging.

Inspection through Thin Coatings

Probes used to perform eddy current inspections are made with a copper wire wound to form a coil. The coil shape can vary to better suit specific applications.

  1. The alternating current flowing through the coil at a chosen frequency generates a magnetic field around the coil.
  2. When the coil is placed close to an electrically conductive material, an eddy current is induced in the material.
  3. If a flaw in the conductive material disturbs the eddy current circulation, the magnetic coupling with the probe is changed and a defect signal can be read by measuring the coil impedance variation.
OmniScan MX  
Overall dimensions 
(W x H x D)
321 mm x 209 mm x 125 mm (12.6 in. x 8.2 in. x 5.0 in.)
Weight 4.6 kg (10.1 lb), including module and one battery
Display 21 cm (8.4 in.) TFT LCD Display, 800 pixels x 600 pixels, 16 million colors
Power supply Smart Li-ion batteries (up to 2), and DC-in voltage 15 V to 18 V (min. 50 W)
Battery Life Minimum 6 hours with two batteries; minimum 3 hours per battery under normal operating conditions
Data storage CompactFlash card, most standard USB storage devices, or through fast Ethernet, internal 32-MB DiskOnChip
I/O ports 3 USB ports, Video output Video out (SVGA), Ethernet 10/100 Mbps, 2-axis encoders, 4 digital inputs (TTL).
Operating temperature range 0 °C to 40 °C; 0 °C to 35 ºC with 32:128 PA (32 ºF to 104 ºF; 32 ºF to 95 ºF with 32:128 PA)
Storage temperature range –20 °C to 70 °C (–4 ºF to 158 ºF) Relative humidity 0 % to 95 % noncondensing. No air intake; splashproof design.
MX Module Compatibility
OMNI-M-ECT4 Supports conventional eddy current and bond testing C-scan (adaptors not included)
OMNI-M-ECA4-32 Supports eddy current arrays, conventional eddy current, and bond testing C-scan (adaptors not included)



ECT/BT and ECA modules
Connectors BNC Absolute Probe (ECT), 4-channel Universal Fischer 19 pins (ECT and BT), and OmniScan connector for ECA probes
Number of channels 1 to 4 (ECT); 32 (ECA), expandable up to 64 with external multiplexer; 1 (BT) with adaptor
Probe compatibility Absolute, differential, bridge, reflection (driver-pickup) for both ECT and ECA probes. 
Support select BondMaster pitch-catch probes through use of an adaptor (scanner also required).
Probe recognition Automatic probe recognition and setup for ECA and BT probes.
Frequencies 2 typical for most ECA and ECT setups or up to 8 on custom ECT applications or Bond Testing C-scan
Operating frequency 20 Hz to 6 MHz
Maximum voltage 12 Vp-p into 10 Ω
Gain ECT and ECA: 34 dB to 74 dB. BT: 28 dB to 68 dB. Additional adjustable software gain of 0 dB to 30 dB.
Phase rotation 0° to 360° with increments of 0.1°
Acquisition (measurement) rate 1 Hz to 15 kHz, variable depending on configurations.
A/D resolution 16 bits
Filtering FIR low-pass, FIR high-pass, FIR band-pass, FIR band-stop (adjustable cutoff frequency), median filter (variable from 2 points to 200 points), mean filter (variable from 2 points to 200 points)
Channel processing True automatic mixing, sensitivity normalization and encoder calibration
Encoders Time-based, one line scan or raster scan (2 axis)
Alarms 3 alarms, each configurable as Pie, Box, Ring/Circle. Alarm output as Visual, TTL and Sound.
Analog outputs

Yes - one channel only.