Video Borescope INVIZ DE 2.4 / 4.0 for heat exchanger Remote Visual Inspection (RVI) - viZaar NA

Video Borescope INVIZ® DE 2.4 / 4.0 -
The world's thinnest video borescope

The video borescope INVIZ® DE 2.4 / 4.0 with a 2.4 mm video probe head and high power LED illumination for Remote Visual Inspections (RVI) of heat exchagers, turbines and steam generators.

Video borescope INVIZ DE 2.4 mm - the world's thinnest video borescope for heat exchanger Remote Visual Inspection (RVI)

Remote Visual Inspection:

  • Remote Visual Inspection in turbines / generators
  • Remote Visual Inspection in refineries
  • Remote Visual Inspection in nuclear industry
  • Remote Visual Inspection in power generation
  • Remote Visual Inspection in buildings / constructions
  • Foreign Object Search and Retrieval FOSAR

INVIZ® DE 2.4 / 4.0 save as PDF

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Video borescope INVIZ DE 2.4 / 4.0 mm for steam generator Remote Visual Inspection (RVI)

With the latest LED technology the brocken fiber glasses are history in INVIZ® DE 2.4 / 4.0 system. Through the activation of turbo mode 25 and more lumen make it possible to inspect even 4" / 100mm internal diameter. Two different light optimized available optics (100° FOV und 60° FOV) are the basis for a perfect inspection. The picture quality impresses with color fidelity, sharp contrast and freedom from noise!

With a width of only 2.4 mm (0.09") the DE 2.4 inspection camera can be easily guided through narrow tube lanes, as they are encountered in nuclear steam generators (including Siemens® KWU type) or even in conventional heat exchangers.

The world's slimmest INVIZ® DE 2.4 camera system allows a variety of inspections in the smallest spaces. Never before with this small design such a high resolution has been reached! Our design has ensured that a hand-inspection as well as work with manipulators is possible.

Alternatively, the higher resolution DE 4.0 system is available with a length of up to 49 ft. The optics can be adjusted by ±30° depending on the application. In addition the tools for external parts recovery can be integrated in INVIZ® DE 4.0.

Control Unit
Power Supply

96-256VAC 50/60Hz


Standard: (W) 260 mm x (L) 205 mm x (H) 45 mm

Control Options

Illumination, white balance

Video Outputs

Composite VBS, S-VHS (Y/C) out, NTSC or PAL (depends on camera)


Digital output for INVIZ LCD image recorder


19" version available The CCU suppotrs only DE 2.4 / 4.0 cameras

Video Borescope Camera INVIZ® DE 2.4

PAL video 380 TV lines / 290.000 pixel
NTSC video 330 TV lines / 250,000 pixel


100° FOV Standard optics, 3 mm to 200 mm fixfocus. optional: 60° Teleoptic (not changable).

Recommended Usage Instructions

Using with 14” CRT monitor, 100° FOV: 10x / 20 mm distance


2 high performance white light LEDs optional: Fiber and LED illuminaton for the enhancement of luminous intensity


Width: 2.40 mm (± 0.03 mm), other versions are available on customers request

Water Resistance

1 bar / 15 psi

Video Borescope Camera INVIZ® DE 4.0

PAL video 470 TV lines / 440.000 pixel (H752xV582)
NTSC video 460 TV lines / 380.000 pixel (H752xV582)


Adjustable focus, 60° FOV, 3 mm to infinite, typical working range 8 mm to 100 mm. Viewing direction adjustable by ± 30°.

Recommended Usage Instructions

Using with 14” CRT monitor, 60° FOV: 18x / 20 mm distance


Identic DE 2.4 version, no fiber illumination possible


Width: 4.0 mm (± 0.05 mm), Other versions are available on customers request

Water Resistance

0.5 bar / 7.5 psi


2.1 mm drilling for the use of external parts recovery tools

Working length

Standard 2 meter, extension up to 5 meter possible


2.5 meter PU coated, extension up to max. 10 meter (DE 2.4) or 15 meter (DE 4.0) complete length possible

Driving Belt

Open and flexible installation band with regular rectangular recesses for a reliable feed through a (not included) motor drive unit. Through the optimal fiber glass epoxy reinforcement in the inner of a belt , there is a safer and simple operation ensured without manipulator and without kinking during the operation.

Environmental Conditions / Memory
Operating Conditions of Camera

-25°C to 65°C LED head | -25°C to 80°C without LED

Operating conditions of control unit

-20°C bis 45°C

Gamma / Neutrons - strength

This value is not specified due to the partly large lifetime deviations. The value is within the average of semiconductor.

All specifications are subject to change without notice due to technical progress.
  • Video Borescope INVIZ DE 2.4 / 4.0 for Remote Visual Inspection (RVI)
  • Video Borescope INVIZ DE 2.4 / 4.0 for Remote Visual Inspection (RVI)