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Optrel E684 Welding Helmet
The optrel e684 is the perfect welding protection gear for demanding joining processes of aluminium, nickel-chromium alloys, special metals as well as steel.
Thanks to the infinitely variable shade range of SL 5 to SL 13 the optrel e684 is is suitable for all electric arc welding as well as grinding processes.
The optrel e684 is the welder‘s loyal companion, especially for industry applications such as vehicle & railway construction, agricultural & construction machinery, steel/machinery/tank/vessel/plant construction, pipeline & tube making, as well as shipbuilding and offshore.
Do not settle for anything less!
Adaptive Shade Autopilot
Set it and forget it.
The adaptive shade level control automati- cally adjusts the perfect shade level.
An additional sensor that measures the arc intensitiy makes this autopilot function work. Therefore you always keep control of the appropriate trajectory regardless of which actual welding paramater is set. This allows you to stay focused on what really matters: Your welding process!
Cooling Helmet Design
Keep cool, even when the heat is on.
Reflecting light and heat, the optrel e684’s special silver helmet keeps the welder’s head cooler by 23% compared to other unpainted helmets. In extreme environments, welders can work longer and be more comfortable in the long term.
High Definition Viewing
Superior viewing at every angle.
Like viewing a high definition television, the optrel e684’s special HD lens provides a true color view to the welder. Its class 1 angular dependency allows welders to see the clearest, crispest view possible, enabling welders to concentrate more accurately on their weld.
Wellness for the Eyes
Groundbreaking technology prevents / re- duces eye fatigue automatically.
Unlike other ADF lenses that rapidly re- turn to light, the optrel e684’s Twilight ADF Technology restores light more naturally, presenting a smooth transition to the eyes. This exclusive technology reduces eye fatigue on welders who are continuously welding, enabling them to work longer and safer.
Daily Multi-Purpose use
Darkening levels from 5 to 13 cover the majority of welding applications and with a protection level 4 in its general mode, the welder has a bright and well-lit view of the work-place. This feature predestinates the optrel e684 for grinding jobs as well.
Fully automatic welding helmet with true colour definition, auto darkening filter with shade level range of 5 – 9 / 9 – 13
Shade level (SL)
Adaptive shade autopilot for the range of SL 5 - 13 with the option of an individual calibration of +/- 2 shade levels.
Infinitely variable outside operability for two shade ranges, SL 5 - 9 and 9 -13.
Infinitely variable, newly with “Super High” sensitivity setting range.
Shade Level 4
Patented delay time control to open the Auto Darkening Filter, adjustable from 0.1 to 2.0 seconds.
Dimension of ADF
( Auto Darkening Filter)
90x110x7mm / 3,55x4,33x 0,28” 50x100mm / 1,97x3,94” (Viewing area)
solar cells, 2pcs LI-batteries 3V exchangeable (CR2032)
Operating time batteriesApprox. 3000 hours (operating)
Adjustable arc detection angle by means of a sensor slider.
Eye protection ultraviolet/infrared protection
maximum at any shade setting
Light to dark:
0,170 ms at room temperature 0,110 ms at 55°C / 131°F
Dark to light:
0.1s to 2.0s with patented twilight technology
Optical class: 1
Scattered light: 1
Angular dependence: 1
Welding mask: up to 220°C / 428°F
Front cover lens: up to 137°C / 279°F
Protection for ADF
Spherically shaped front cover lens with patented seal, which makes it suitable for overhead welding.
-10°C to +70°C / 14°F to 158°F
-20°C to +80°C / -4°F to 176°F
Welding helmet: 500g / 17,637 oz
Any electric arc welding process Electrode Welding (Stick Welding, SMAW) / MIG / MAG (GMAW) / GMAW High melting rate process / Flux Cored Wire Welding / TIG welding (GTAW) / Plasma Arc Welding / Plasmacutting & Oxy-gas Welding
Prohibited for laser welding!
Scope of delivery
Welding helmet, instruction manual, storage bag, batteries, warranty card and one front cover lense
CE, ANSI Z87.1, AS/NZS, EAC, complies with CSA Z94.3
2 years from date of sales for manufacturing and material defects (except batteries)
1 additional year after online registration within the first 6 months. www.optrel.com/register