MASCHERA PER SALDATURA optrel® serie expert E684

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With infinitely adjustable protection level, perfect visibility and faithful colour reproduction throughout the field of vision, the E684 welding mask is particularly suitable for overhead welding operations. With adjustable insertion angle to suit individual needs and the possibility of adapting the sensitivity level to the working environment. With opening delay for slower illumination after dark conditions. Additional rectification mode. With twilight function for easy switching from dark to light.

Dimming protection levels: 5 - 13 with HD field of view. Continuous adjustment via knob

Clear level: 4

With 3 V lithium battery (duration: 3,000 hours)

Colour: silver

Welding filter field of view: 50 x 100 mm



MIG / MAG welding, electrode welding, WIG welding and plasma welding


EN 175; EN 379; EN 166


1 additional outer glass, 1 storage bag.

Technical Data

Model: E684

Number of batteries contained: 1

Power supply: Battery operation

Light to dark switching time: 0.17 ms

Switching time from dark to light: 100 ms - 2,000 ms

Classification according to EN 379: 1 / 1 / 1

Product type: Self-darkening welding mask.

Product Details