optrel AG

- Model e684 - High End Welding Helmets

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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 brightness 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 welding 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.

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 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, vessel & plant construction, pipeline & tube making, as well as ship building and offshore.

  1. Adaptive shade autopilot for the range of SL 5 - 13 with the option of an individual calibration of +/- 2 shade levels.
  2. Twilight technology: Patented delay time control to open the Auto Darkening Filter, adjustable from 0.1 to 2.0 seconds (back side)
  3. Infinitely variable newly “SuperHigh” sensitivity setting range
  4. Adjustable sensor slide eliminates the effects of ambient light distractions with configurable detection angles of 60°or 80°
  5. Switch for shade level detection: Automatic/Manually
  6. Variable shade level control from SL 5-13
  7. Grinding mode to prevent automatic darkening when grinding and brazing
  8. Batteries CR2032, 2 pcs (back side)

Size of darkening filter/field of vision 90 x 110 x 7 mm/50 x 100 mm
Eye protection Maximum UV & IR protection
with every shade level setting
Classification according to EN379 1/1/1/1
Classification according to EN175 B (120m/s impact resistance)
Time taken to switch from light to dark 0.170 ms at room temperature 0.110 ms at 55 °C
Time taken to switch from dark to light 0.1 – 2.0 s with patented twilight technology

Energy supply Solar cells and 2 batteries, exchangeable
Battery life Around 3000 hours (operation)
Operating temperature –10 °C to +70 °C
Total weight 500 g
Recommended areas of use See page 11
Guarantee 2 years from date of sales for manufacturing and material defects (exept batteries). 1 additional year after online registration within the first 6 months. www.optrel.com/register
Certificates CE, ANSI, AS/NZS, EAC, complies with CSA Z94.3

Functions for maximum efficiency

  • Shade level 4/9 <13
  • Automatic shade level detection Yes (automatic/manually)
  • Control unit outside the helmet Yes
  • Comfortable headband Yes
  • Ability to adapt the detection angle Yes (60° or 80°)
  • Sensitivity control Yes
  • Opening delay Yes
  • Grinding mode Yes (shade level 4)
  • Overhead welding Yes
  • True colour filter Yes
  • Can be retrofitted with optrel breathing
  • protection system Yes
  • Hard hat can also be worn Yes

Applications
  • Electrode Welding (Stick Welding, SMAW)
  • MIG/MAG (GMAW)
  • GMAW High melting rate process
  • Flux Cored Wire Welding
  • TIG welding (GTAW)
  • Plasma Arc Welding
  • Micro Plasma Arc Welding
  • Plasmacutting
  • Overhead welding

Prohibited for

  • laser and gas welding!

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