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Case study: Installing lighting for ESD compliant workplaces

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article image ESD-compliant luminaires such as TEVISIO from Waldmann prevent uncontrolled discharges

Leading luminaire manufacturer Waldmann offers LED task luminaires in ESD-safe variants to prevent ESD damage at the workplace.

Electrostatic discharge or ESD damage to electronic components is a serious problem; electronic components are vulnerable to impulse discharges at a level of 100 Volts or more, a range that is not perceptible to humans. The damage caused as a result is very difficult to determine as it remains hidden and can pass completely unnoticed; components can operate quite normally initially and only malfunction later in the hands of the customer.

Damage from ESD can be avoided by taking all necessary protective measures including ESD-compliant adaptation of workplaces, for example with ESD-safe chairs and desks, as well as other workplace elements such as lighting.

Waldmann’s LED task luminaires also come in ESD-safe variants to provide optimal lighting at electronic workplaces.

Highly demanding visual tasks are performed at ESD-safe workplaces owing to the sensitivity of electronic components. Workplace lighting that is adapted optimally to the respective activity provides support for employees in this context. However, ESD luminaires must be used to avoid ESD damage to electronic components.

Requirements for ESD-compliant lighting

Electronic components can be exposed to a sudden discharge from a charged luminaire by touching or even simply approaching the luminaire. This is especially the case when working with magnifier and arm-mounted luminaires, which are positioned particularly close to the electronic components.

ESD protection is also important when working with system luminaires positioned in the vicinity of shelf surfaces at a distance of less than 30cm. In such a situation, luminaires can charge electronic components by induction at this distance, which then discharge abruptly as soon as they are touched with the tip of a soldering iron, for example.

Luminaires are not control elements as set out in Tables 2 and 3 of the ESD standard DIN EN 61340-5-1: Part 5-1. Separate rules are defined however for such special control elements in relation to qualification and verification. All insulators or non-conductive components including non ESD-safe luminaires should be removed from ESD compliant workplaces. Non ESD-safe luminaires can carry substantial electrical charges, since elements such as magnifiers, housing or covers are often made from non-conductive materials. ESD-safe luminaires on the other hand cannot be charged at any point above 100 Volts.

Waldmann ESD luminaires

With its ESD-compliant LED task luminaires, Waldmann offers a choice of lighting options for ESD protected areas. The company has achieved superior quality standards in relation to ESD with the TEVISIO magnifier luminaire, the TANEO arm-mounted and built-in luminaire and the TAMETO system luminaire, which can be installed laterally or suspended.

Conductive coating is provided on various components of the Waldmann luminaires including the glass magnifier in the TEVISIO on both sides; all covers and metal housings; as well as the plastic housing components if they are not already made from conductive plastic.

All Waldmann ESD luminaires are tested by an independent institute with the test report supplied to the customer together with the luminaires. The luminaires also carry the EPA label, helping ESD coordinators create their own ESD inspection program and also assisting with audits in relation to ESD protection management.

Maxiloc Tooling Pty Ltd exclusively stocks Waldmann ESD luminaires in Australia.

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