Omniscan SX Phased Array Flaw Detector

The OmniScan® SX is a flaw detector that shares the OmniScan DNA and benefits from more than 20 years of phased array knowledge. The OmniScan SX has a new, more user-friendly software interface that is presented on an 8.4 in. (21.3 cm) touch screen for increased usability.

The OmniScan SX is a single-group, non-modular instrument that is practical and affordable for less demanding applications.

The SX PA and SX UT are the two variants of the OmniScan SX. The SX PA, a 16:64PR phased array device, contains a traditional UT channel for pulse-echo, pitch-catch, or TOFD inspection, just like the SX UT. The OmniScan SX offers an unprecedented degree of mobility for an OmniScan since it is 33% lighter and 50% smaller than the OmniScan MX2.

Omniscan SX Phased Array Flaw Detector

Image Credit: Evident Corporation

Full-screen mode, which enhances visibility and effectively turns numerous menu tasks into simple touch-screen actions, is an option on the OmniScan SX touch screen. The user-friendly interface offers fluid cursor motions, menu selection, zooming, gate changes, and text and value input.

Omniscan SX Phased Array Flaw Detector

Image Credit: Evident Corporation

These, along with other premium integrated features, including easy-to-follow setup and calibration Wizards, a rapid refresh rate for both the S-scan and A-scan displays, and a fast pulse repetition frequency (PRF), make the OmniScan SX a highly efficient inspection tool.

Our comprehensive line-up of scanners, probes, and accessories, as well as its specialized software partners, NDT SetupBuilder and OmniPC, are all fully compatible with the OmniScan SX.

From design and setup through to acquisition and analysis, the whole range of software and hardware works together to provide a simplified and effective inspection workflow.

Software Features

More functional improvements in the weld and corrosion sectors are included in the new OmniScan software.

The software interface was made simpler and the response time was reduced as part of a continual improvement effort to give clients the greatest experience possible.

Some of the new features include:

  • Interleave
  • Improved accessibility with more interactive menus
  • Curved geometry ray-tracing for longitudinal welds
  • Export C-Scan
  • Onboard compound scan
  • Analysis attenuation gain
  • New End-View with group merge
  • Optimized main menus and wizards
  • Scrolling layouts for easy interpretation

Omniscan SX Phased Array Flaw Detector

Image Credit: Evident Corporation

The multi-group layouts were enhanced such that the software interface reflects the scanner setup for applications needing a multi-probe configuration. The arrangement is clear and appealing since the placement of the several scans is based on how far they are from the center of the weld.


Olympus now has a fresh, adaptable tool to add to its collection of original, creative, comprehensive market solutions designed to streamline the workflow and boost productivity.

Phased Array Weld Inspection

The manual and semi-automated phased array weld inspection solutions created by Evident/Olympus for the oil and gas sector are built around the OmniScan PA. These systems provide high-speed detection capabilities, make it easier to read indications, and can be utilized for inspection under the ASME, API, and other code standards.

Omniscan SX Phased Array Flaw Detector

Image Credit: Evident Corporation

Corrosion Mapping and Composite Inspection

Omniscan SX Phased Array Flaw Detector

Image Credit: Evident Corporation

The OmniScan SX has now made zero-degree examination even more accessible. Evident/Olympus provides solutions that have been successfully used in the field for corrosion or composite inspection to find abnormalities or wall loss.

TOFD Weld Inspection

Omniscan SX Phased Array Flaw Detector

Image Credit: Evident Corporation

A quick and effective method for finding weld faults is TOFD. It is rapid, economical, and capable of sizing manufacturing flaws in the volume of the weld, which is a difficult area to weld.

Component Inspection

Cracks, wall loss, and other damage can be found in components during inspections using ultrasonic methods. The OmniScan SX is a particularly cost-effective option for this kind of single-group inspection since it can accommodate both angle and linear zero-degree beams.

Omniscan SX Phased Array Flaw Detector

Image Credit: Evident Corporation 


The basic instrumentation and software criteria outlined in ASME, AWS, API, and EN regulations are met or exceeded by the OmniScan SX.

Source: Evident Corporation

Housing Overall dimensions (W x H x D) 267 mm × 208 mm × 94 mm (10.5 in. × 8.2 in. × 3.7 in.)
Weight 3.4 kg (7.5 lb) with battery
Data Storage Storage devices SDHC card* or most standard USB storage devices.
*Lexar® brand memory cards are recommended for optimized results.
Data file size 300 MB
I/O Ports USB ports 2 USB ports, compliant with USB 2.0 specifications
Audio alarm Yes
Video output Video out (SVGA)
I/O Lines Encoder 2-axis encoder line (quadrature, up, down, or clock/direction)
Digital input 4 digital TTL inputs, 5 V
Digital output 3 digital outputs TTL, 5 V, 15 mA maximum per output
Acquisition on/off switch Yes, through configuration of a digital input
Power output line 5 V, 500 mA power output line (short-circuit protected)
Pace input 5 V TTL pace input
Display Display size 21.3 cm (8.4 in.) (diagonal)
Resolution 800 pixels x 600 pixels
Brightness 600 cd/m2
Viewing angles Horizontal: –80° to 80° Vertical: –60° to 80°
Number of colors 16 million
Power Supply Battery type Smart Li-ion battery
Number of batteries 1
Battery life Minimum 6 hours under normal operating conditions
Environmental Specifications Operating temperature range -10 °C to 45 °C
(14 ºF to 113 ºF)
Storage temperature range –20 °C to 60 °C (–4 ºF to 140 ºF) with battery
–20 °C to 70 °C (–4 ºF to 158 ºF) without battery
Relative humidity Max. 70% RH at 45°C noncondensing
Ingress protection rating Designed to meet requirements of IP66
Shockproof rating Drop-tested according to MIL-STD-810G 516.6
Ultrasound Specifications (applies to OMNISX-1664PR) Connectors 1 Phased Array connector: Olympus PA connector
2 UT connectors: LEMO 00
Number of focal laws 256
Probe recognition Automatic probe recognition
Pulser/Receiver Aperture 16 elements
Number of elements 64 elements
Pulser PA Channels UT Channel
Voltage 40 V, 80 V, and 115 V 95 V, 175 V, and 340 V
Pulse width Adjustable from 30 ns to 500 ns; resolution of 2.5 ns Adjustable from 30 ns to 1,000 ns; resolution of 2.5 ns
Pulse shape Negative square wave Negative square wave
Output impedance 35 Ω (pulse-echo mode);
30 Ω (pitch- catch mode)
<30 Ω
Receiver PA Channels UT Channel
Gain 0 dB to 80 dB, maximum input signal 550 mVp-p (full-screen height) 0 dB to 120 dB maximum input signal 34.5 Vp-p (full-screen height)
Input impedance 60 Ω (pulse-echo mode);
150 Ω (pitch- catch mode)
60 Ω (pulse-echo mode);
50 Ω (pulse-receive mode)
System bandwidth 0.5 MHz to 18 MHz (NOTE: The previously stated 0.6 MHz lower limit used a strict -3 dB attenuation for the cutoff frequency.) 0.25 MHz to 28 MHz (–3 dB)
Beamforming Scan type Sectorial or linear
Group quantity 1
Data Acquisition PA Channels UT Channel
Effective digitizing frequency Up to 100 MHz 100 MHz
Maximum pulsing rate Up to 6 kHz (C-scan)
Data Processing PA Channels UT Channel
Number of data points Up to 8,192
Real-time averaging PA: 2, 4, 8, 16 UT: 2, 4, 8, 16, 32, 64
Rectifier RF, full wave, half wave +, half wave –
Filtering 3 low-pass, 3 band-pass, and 5 high-pass filters 3 low-pass, 6 band-pass, and 3 high-pass filters (8 low-pass filters when configured in TOFD)
Video filtering Smoothing (adjusted to probe frequency range)
Data Visualization A-scan refresh rate A-scan: 60 Hz; S-scan: 60 Hz
Data Synchronization On internal clock 1 Hz to 6 kHz
On encoder On 2 axes: from 1 to 65,536 steps
Programmable Time-Corrected Gain (TCG) Number of points 16: One TCG (time-corrected gain) curve per focal law
Maximum slope 40 dB/10 ns
Alarms Number of alarms 3
Conditions Any logical combination of gates


The OmniScan SX meets or exceeds the minimum instrumentation and software requirements as specified in ASME, AWS, API, and EN codes


Inspecting Welds with the OmniScan® SX Flaw Detector

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