Liquid crystal display devices - Liquid crystal display modules and cells. Essential ratings and characteristics Ingestion-build-73073 used in indoor or outdoor

used in indoor or outdoor installations of AC switchgear and controlgear with rated voltages above 1 kV up to and including 52 kV where the gas is used principally for its dielectric and/or arc-quenching properties

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gas and other substances that are hazardous by nature of being explosive

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Liquid crystal display devices - Liquid crystal display modules and cells. Essential ratings and characteristics Ingestion-build-73073 used in indoor or outdoorWhat is BS EN 61747 4 Liquid crystal display modules and cells about? BS EN 61747 4 is the fourth part of the multi series standard used for Liquid crystal display devices. This helps in manufacturing good quality Liquid crystal display modules and cells. BS EN 61747 4 describes the essential ratings and characteristics of LCD cells and passive matrix monochrome liquid crystal display modules. Note: BS EN 61747 4 does not apply to active matrix LCD