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Visual control by toplight inspection (visual inspection)

It is often the case that test pieces have to be visually inspected and evaluated by employees in incident light. planistar has developed special test lights for the workplace for this area of manual inspection.

In the field of visual inspection, various factors come into play that can influence the result accordingly. The main influences are:

  • the light intensity
  • the light colour and light quality
  • possible shadow formation
  • uniform illumination
  • the possibility of adaptation to the person in question

We will be happy to advise you on the right selection or adaptation for your task. Thanks to many years of expertise in concept design and development, we know the processes and the associated tasks.

Simply let our team advise you: sales@no-spam.planistar.de or Tel. +49 (0) 9364 8060-0).

Typical applications of the planistar test light for assembly or visual inspection

Lighting at test benches, assembly tables or general workplaces with high demands on uniformity and light quality.

Lighting of materials

With the planistar workplace luminaire, two light cones are superimposed. This results in three main advantages for our customers:

  1. The two light cones are superimposed purposefully, developing significantly more uniform illumination. With conventional luminaires, on the other hand, a ring-shaped drop in light output cannot be avoided.
  2. Due to the “gap” in the luminaire, the employee’s head does not cast a shadow on the table.
  3. The luminaire is very energy-efficient, since the targeted guidance of light results in very little scattering losses.
Order codeExternal dimensionsBrightnessPriceData sheetDrawing
Basic luminairemmlx at distance€ / piece.pdf.pdf.step
160-70-Sled-2-APL-18w1430 x 100 x 271.500 lx at 100 cm439,00PDFPDFSTEP
160-70-Sled-4-APL-18w-dimP1430 x 172 x 27max. 2.700 lx at 100 cm699,00PDFPDFSTEP
Possible light colours-18w (neutral white), -28w (cold and warm white) on request

All prices plus VAT + freight and packaging.

More information and accessories can be found in the complete catalogue.

Other properties that were taken into account during development / production

The right light colour

It all depends on the correct light colour of the test luminaire. Usually a neutral white with about 5000–6000 K is chosen, as this is most similar to sunlight (neutral white). Our eyes perceive this light colour as accustomed and the human being reacts neutrally. If the light colour is too warm, this can lead to premature signs of fatigue in the inspector. A light colour that is too cold also appears to be unfamiliar or annoying.

At the customer’s request, the luminaires can be equipped with special broad-spectrum LEDs. The light colour can be continuously adjusted from a warm colour to a cold one.

The light quality of the light source (Ra value)

Not only the light colour, but also the light quality of the light source is important. The Ra value indicates the composition of the light spectrum of the LED.  In general, only the Ri value is often used. For LED’s, the Rj value (extended Ri value) should really be specified. This contains the strong basic colours in addition. planistar always specifies both values.

It is important to have as high a number as possible for each R value:

„Only the light colours reflected by the light source on the test object can be perceived by the eye.“

Glare-free construction of the workplace luminaire

The luminaire lies in the risk classification DIN EN 62471 (photobiological safety) in the exempt group. The LED luminaire from planistar can be used without restrictions at the workplace. In addition, the luminaire has a special front screen, which further minimises possible glare to the employee.

Adaptability to inspector and environment

For a visual inspection, we always recommend the use of a dimmer at the workplace. The perception of brightness varies depending on the environment, time of day and employee. The concentration and flaw detection can be increased by individually adjusting the test light.

Dimming can take place directly at the luminaire or via a 1–10 V interface (central control).

ESD version on request

Especially when assembling or testing electronic components, it is important that no electrostatic charge can be generated by the environment of the workplace.

A distinction is made between two main applications:

1:  LED lighting for electronics production
In order to prevent damage or destruction of electrostatic discharge sensitive devices (ESD) during their processing, ESD protected areas (EPAs) must be fully equipped for ESD.

2:  LED lighting for sensitive areas
The special coating prevents dust attraction due to electrostatic charging.

We adapt the workplace luminaires for this application:

  • ESD powder coating
  • ESD front screen
  • PE connection on housing

We would be pleased to advise you on the topic of ESD and recommend the safe and effective use of our workplace luminaires.

Do you have any questions?

We would be pleased to advise you on your visual inspection task. To meet your needs, planistar has a wide selection of products in its standard range. The workplace luminaire can be adapted to your requirements by simple modifications.

More information and points of contact:

+49 (0) 9364 8060-0sales@no-spam.planistar.de

We develop tailor-made solutions for you. Fast, inexpensive and individual.

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