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Optrel  |  SKU: 6802

Optrel e684 Welding Helmet - Ultra High Definition Lens

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Optrel e684 Welding Helmet - Ultra HD Auto Lens

Precision is the mission of every welder with every weld.

The ability to clearly view the weld and the environment is essential to striking the perfect arc. Taking Optrel's auto darkening filter technology to the next level, the e684 is the only welding helmet that fully automates protection through its Adaptive Shade Autopilot, automatically adjusting the shade level as one welds, in full high-definition viewing. This new level of clarity not only keeps welders better protected, it enables them to perform their job more efficiently, with greater accuracy and precision every time.

When it comes to precision welding, do not settle for anything less.

Perfect Viewing During Welding

Fully automated shade level adjustment for any welding procedure in the 5-13 shade range.

Natural-color view in the entire protection level range.

Ultra-HD quality in classes 1/1/1/1.

Optrel's exclusive Adaptive Shade Autopilot automatically adjusts to the appropriate shade level as you weld. An additional brightness sensor immediately detects changes in arc intensity and adjusts accordingly. You remain perfectly protected, regardless of your current welding parameters.

Manual adjustment is no longer necessary – but it‘s available at the push of a button whenever you want it.

Twilight Function

The sudden opening of conventional auto darkening lenses has been replaced by Optrel‘s patented Twilight technology, opening the filter more fluidly from dark to light and reducing eye fatigue.

Fully automatic with ultra-HD quality.

True Colour

A specially developed UV/IR filter allows the realistic color perception typical of Optrel, bringing color to the welder’s world.

Welding In Ultra HD Quality

Optical class: 1

Scattered light: 1

Homogeneity: 1

Angular dependence: 1

The Optrel e684’s auto darkening lens achieves the highest image quality standard in all four classifications:

Its excellent viewing angle dependency in particular demonstrates the quality of the Optrel auto darkening lens and makes working with the Optrel e684 so enjoyable.

Optional Respiratory Protection

The Optrel e684 can be used in perfect harmony with the Optrel e3000X ventilated breathing system. With its integrated particle filter of the highest class (TH3), it reliably protects the welder‘s airways from smoke, aerosol, and dust.


Shade Levels:

Inactive: shade level 4.0

Active: shade levels 5-13


ADF with shade level range 4/5-13 with autopilot (automatic shade level adjustment), +/- 2 individual manual offset

Power Supply:

Solar cells, 2 pcs batteries 3V exchangeable (CR2032)


3 Sensors (variable detection angle with movable sensor slider)

Switching Time:

Bright to dark: 0.170 ms at room temperature / 0.110 ms at 55°C

Dark to bright: 0.1 s to 2.0 s (with twilight function)

EN379 Classification:

Optical class: 1

Scattered light: 1

Homogeneity: 1

Angular dependence: 1

Shape Stability:

Welding mask: up to 220 °C

Front cover lens: up to 137 °C

Operating Temperature:

-10°C to + 70°C

Storage Temperature:

-20°C to + 80°C


    SCE, ANSI, EAC, AS/NZS, fulfils CSA Z94.3

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    MODEL: Optrel e684

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    Frequently Asked Questions


    What countries do you ship to?

    We currently ship to the United States, Canada, Australia and the UK. To enquire about shipping to a different destination, please contact us.

    How long will it take to receive my order?

    Standard shipping normally takes 3-5 days. Next day shipping is available on all domestic orders (for an additional charge). International shipping times depend on the products and destination (estimated at checkout).

    Returns and Refunds

    How do I return a product?

    Items must be returned within 30 days after receiving your order. Items must be returned in the same condition in which they were received, be unworn/unused, have any tags still attached, and include all the original packaging.

    How long will it take to receive my refund?

    Refunds are processed within 7 days from when we receive the item(s).