Optrel Helix 2.5 Welding Helmet

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  •  Optrel Helix 2.5 Welding Helmet
  •  Optrel Helix 2.5 Welding Helmet
  •  Optrel Helix 2.5 Welding Helmet


Optrel Helix 2.5 Welding Helmet

The Helix 2.5 – the new slide-up welding helmet with a panoramic field of vision and a brightness level of 2.5 – built for welding in the toughest conditions. With the Helix 2.5, you’re prepared for all welding tasks that require a large field of vision and frequent switching between transparent and protective filters. With a light level of 2.5 for welding and a shade range from 5 to 12, it’s the ideal choice for a wide range of applications. Hard work has never been so easy.

Design Features:

  • Slide Up
  • Anti-Glare
  • Removeable Hardhat
  • Twilight Function
  • Opening Delay
  • Sensitivity Control
  • 5 Point Detection
  • Rechargeable Battery
  • Overhead Welding
  • True-Color View: Like looking through a clean glass window
  • FadeTronic®: Opening of the anti-glare display can be continuously adjusted after welding to significantly reduce eye fatigue
  • ShadeTronic®: Automatically adapts to changing light conditions of the welding arc
  • Warranty Extension:  Simply register here to be covered for 3 years after purchase

Technical Specifications:

Protection Levels ShadeTronic inactive: protection level 2.5 active, manual: protection levels 7-12 Automatic
protection level regulation over the protection level range 5<12M with individual calibration option
of ± 2.
Battery Life

300 to 500 charging cycles

Power Supply Solar cells, Li-polymer battery, chargeable via micro USB cable

5 sensors

Switching Time light to dark:
0.090 ms at room temperature
0.070 ms at 55°C
dark to light:
0.1 s to 2.0 s (with FadeTronic)
Classification EN379 Optical class: 1
Stray light class: 1
Homogeneity class: 1
Angular dependence class: 1
Sensitivity Infinitely adjustable, new with “Super High” sensitivity
Field of View

Depending on headgear adjustment, 2.3 to 6.3 times the field of view of a 100 x 50 mm
industry standard anti-glare cassette

Eye Protection Ultraviolet/Infrared Protection: Maximum protection across the range of protection levels
Dimensional Stability Welding protective mask: up to 220 °C
Front lens: up to 137 °C
Operating Temperature

-10°C to +55°C / 14°F to 131°F

Storage Temperature

-20°C to +70°C / -4°F to 158°F

Total Weight



CE, UKCA, ANSI, EAC, AS/NZS, meets CSA Z94.3
Meets pr ISO 16321 standards “TIG+” (“low amp Tig” process)

Scope of Delivery Welding helmet, optrel IsoFit® headgear, removable hardhat, operating instructions, storage
bag, micro USB charging cable, hard hat, front lens, guarantee card
Warranty From the date of purchase: 2 years for manufacturing and material defects, 6 months for the
Extended Warranty 1 additional year (excluding the battery) if you register your product within the first 6
months (from the date of purchase) at https://optrel.us/product-registration/
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