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Atex Ex nR rated large displays for hazardous areas

Atex Ex nR rated display

Displaying important real-time information clearly in hazardous environments

Being aware of critical process variables is important in most manufacturing environments.

In the past, measurements were limited to true physical variables, such as pressure, temperature, weight, speed etc.

Nowadays, many modern production processes also rely on teams being aware of computed variables, such as OEE, Takt time, Down time, Actual Total versus Target etc.

This awareness allows teams to respond quickly to events which could affect the plants's ability to achieve target performance.

But the team needs to be able to see the information in order to act upon it.

Example of an Atex rated display showing ppm H2

Most traditional Atex rated display systems have limited viewing distance

Most industrial PCs, annunciators and touch screens for hazardous areas have a practical reading distance limit of a few metres.

This means that operators who need to know an important value must walk over to a display, which could be an appreciable distance away from their working position.

If they are busy, they may not have time to go the display, so could miss important changes in process performance. This is becoming increasingly important as plants reduce workforce size; fewer team members are available to access the data, so the chance of missing important changes becomes even higher, if data is not easily accessible.

Making data clearly visible over long distances

Display technology for hazardous areas has advanced greatly in the past few years, with the introduction by various manufacturers of Atex En nR rated large digital displays and large message displays.

These large format displays can be mounted in prominent locations and have a choice of character heights to suit viewing distances up to 200 metres.

They are often suitable for indoor and outdoor use, with a choice of colours, thanks to the latest high contrast, high brightness LED display technology.

Flexibility of signal types

Recent versions of Atex EXnR large digital and text displays can accept most industrial sensors directly. They tend to be fully self-contained, which makes installation, commissioning and maintenance simple and economical.

For example, most displays only need power and a sensor in order to display weight, total, speed, takt, temperature, time etc.

They can also act as slave displays, if preferred, accepting RS485, TCP/IP, Ethernet/IP, Profibus etc., allowing safety information and other important news items to be shared with the staff.

Modular systems allow multiple displays in one Atex enclosure, truly bespoke solutions

Every process is different, with different key requirements, so displays which can be configured to each installation's needs are becoming more readily available and more affordable.

Specially made Atex Ex nR rated display

Bright, clearly visible large displays attract attention

By their very nature, large format Atex displays are intended to be attention-grabbing.

They ensure staff know what is happening on the plant so that they can act quickly in response to critical process changes.

The technology is available now

Whilst ATEX rated large displays were something of a rarity in the past, mainly being custom-built and quite costly, the current state of technology means that almost any process in an Atex zone 2 environment can benefit from readily available real-time large display technology.

The benefits help to ensure that the process operates to peak efficiency, maximising profitability and competitiveness for the owner.

Download our Atex display brochure...

Ex nR certified large digital displays

Click on the magazine below to read a recent article we had published in Hazardex.

Read our article about Atex rated displays in Hazardex

30 years of digital panel meter and large digital display design, manufacture and export

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