Shade Level: Automatic
Colours: Natural
Comfort: All Inclusive

Perfect View at Welding process – Only from optrel:

  • Fully-automated Adjustment of the Shade Level to every Welding Application in between Shade Level Range 5 to 13
  • True Color View in all Shade Level Range
  • Ultra-HD Quality at Optical Classes 1/1/1/1

The adaptive shade level adjustment puts on the optimum shade level fully automatically in between the range of 5 to 13

This is done by an additional brightness sensor, measuring the intensity of the welding arc. You are always perfectly protected, whatever welding parameters you are using. Manual adjustment isn’t necessary, but sure also possible at the tip of your finger.

* The autopilot can be shut off on demand and the shade level can be adjusted manually if preferred.

True Color View

A special UV-/IR-Filter developed by optrel enables the typical real color view of the optrel ADF and brings colors into the world of the welder.

4 Times Highest Class

The optrel e684 ADF proofs the highest level of image quality in all 4 classifications:

  • Optical Class: Class 1
  • Scattered Light: Class 1
  • Homogenity: Class 1
  • Angular dependence: Class 1


Experience the Difference

The welder is recognised as the top athlete among the metal craftsmen. They need to cope with harsh work conditions such as fumes, constantly changing levels of brigthness and heat. Additionally, welders have a high level of responsibility. A flawed welding seam might, in extreme cases, be the cause for deadly incidents.

Hence, a perfect welding helmet becomes increasingly important. It makes the weld process safer, more efficient, more accurate and more comfortable. Therefore only the best is good enough.

So do not settle for anything less!

Discover the uniqueness of the optrel e684.

  • Autopilot
    Shade Level 5 to 13
  • Shade Level 4/5<13
  • Twilight Function
  • Sensor Slide
  • Overhead Welding
  • Respiratory Protection
  • Patented Excenter
  • Hard Hat Adapter
  • Grind Mode
  • Sensitivity Adjustment
  • Outside Adjustment
  • Comfort Headband

What’s In The Box?

Delivered with welding helmet, optrel IsoFit headgear, manual, batteries, front cover lens and warranty card.


We are the approved Southwest distributor for all Optrel products, and hold a range of helmets in stock. If you would like to try one on, come and visit our showroom.


Fields of Application

  • Electrode Welding (Stick Welding, ARC, SMAW)
  • GMAW High melting rate process
  • Flux Cored Wire Welding
  • TIG Welding (GTAW)
  • Plasma Arc Welding
  • Micro Plasma Arc Welding
  • Plasma Cutting

Operations Manual: Click to download Technical Data: Click to download

Technical Data

  • Shade levels: ShadeTronic inactive: shade level 2.0 active, manual: shade levels 8-12 ShadeTronic 4-12 with individual calibration option ± 2
  • ADF size / field of view: 90 x 110 x 7 mm / 50 x 100 mm
  • Eye protection: maximum UV- & IR-protection on all shade level
  • EN379 classification: Optical class: 1 / Scattered light: 1 / Homogeneity: 1 / Angular dependence: 1
  • Classification due to EN175: B (120m/s impact resistance)
  • Switching time light to dark: 0.170 ms at room temperature, 0.110 ms at 55°C
  • Switching timelight to dark: 0.090 ms at 20°C 0.070 ms at 55°C / dark to light: 0.1 s to 2.0 s (with FadeTronic)
  • Switching time dark to light: 0.1 – 2.0 s with patented twilight function
  • Power supply: solar cells and 2 batteries, exchangable
  • Operating time batteries: appr. 3000 hours (operation)
  • Operating temperature: -10°C to +55°C / 14°F to 131°F
  • Weight: 500 g
  • Warranty: 2 years / 1 year warranty extension (except batteries) for online product registration within the first 6 months.


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Get in touch! Our friendly sales team know the products we sell inside out and are happy to discuss them with you. You can use our chat feature, email or call us if you prefer. For all trade enquiries, please call our sales team.


Here at Inverter Fusion Ltd, we manufacture our own welding machines, and we service, repair and calibrate machines from any manufacturer. If you need spares or need a machine repaired, our fully trained engineers can help you. Read more here.