WIZ-QS+ Interferometer

Single fiber inspection
PASS/FAIL verdict
Fast measurement
Industry standards
Connects to tablet or laptop

Whitelight single-fiber interferometer for inspection of single fiber connectors, ferrules, bare fiber (both PC and APC) in production environment.

The device connects to a laptop or desktop computer via USB 3.0 cable and 12V DC power adapter and is supplied with Sumix MaxInspect™ software for interferometric inspection of fiber optic connectors.

Download WIZ-QS+ brochure


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Suitable for volume production

Save time with easy ferrule/connector insertion and fixture handling.


Minimize operator’s actions to just one click.

Interactive 2D and 3D surface profiles

Rotate, zoom, scale images to explore surface details as small as 2.7 μm.

Fast measurements

Measure single fiber connectors and ferrules as quickly as 1.8 seconds with USB 3.0 SuperSpeed connection.

One-click operation

Save time testing large quantities of connectors in Express Mode.

Industry-leading MaxInspect™ automated inspection software

Measure radius of curvature, apex offset, fiber height, core dip, etc.

Factory precision-aligned fixtures

Be free of the necessity to calibrate your fixtures before each use or when changing between fixtures.

Wide range of applications

Inspect single fiber connectors, ferrules, bare fibers, Arinc, MS termini, both PC and APC.

Compliance to industry standards

Test per IEC, Telcordia or your own Pass/Fail criteria.


Field of view:
D = 0.75 mm
Lateral resolution:
2.7 µm
Best suitable for connectors/ferrules:
ST, FC, SC, MU, LC, E2000™, Arinc, MS termini - PC and APC
Measurement mode:
phase shift and white light
Scanning and calculation speed:
1.8 sec*
Microscopy Mode:
Maximum image size:
1600 × 1200 px
Power supply:
external, USB 3.0 cable, 12 V DC power adapter
3.9 kg (8.6 lbs)
Dimensions (H × W × L):
150 × 120 × 90 mm (5.9 × 4.72 × 3.5 in)
Focus range:
±1 mm
Repeatability C.F.*:
* Values were calculated from 30 consecutive measurements without interaction on connector between measurements (connector fixed) and represent one sigma value.
ROC: 0.2 %
Fiber Height: 0.4 nm
Angles: 0.0002 deg
Apex Offset: 0.02 µm
Repeatability C.R.*:
* Values were calculated from 30 consecutive measurements with removing and inserting connector between measurements (connector reloaded) and represent one sigma value.
ROC: 0.2 %
Fiber Height: 0.5 nm
Angles: 0.007 deg
Apex Offset: 1.1 µm

System Requirements

Windows 10
Intel Core i7
4GB RAM or higher
Built-in Intel USB 3.0 controller
Microsoft Excel 2010 or higher

WIZ-QS+ interferometric system includes:

Fixtures and other accessories should be ordered separately.

Sample Images

E2000 is a trademark of Diamond SA.
MTP is a registered trademark of US Conec Ltd.
CS is a registered trademark of Senko Advanced Components Inc.