Welding helmets optrel e640

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Thanks to the extremely high quality filter and use of the expert helmet shell, the welder benefits the standard DIN 10 and DIN 11 function plus comfort and protection benefits.

The welder can adjust the shade level to suit his requirements using the slide switch on the rear of the filter. It can be set to either DIN 10 or DIN 11. The detection angle for ambient light can also be adjusted using the sensor bar.

Size of darkening filter/field of vision 90 x 110 x 7 mm/38 x 98 mm
Eye protection Maximum UV & IR protection with every shade level setting
Classification according to EN379 1/1/1/2
Classification according to EN175 B (120m/s impact resistance)
Time taken to switch from light to dark 0.4 ms at room temperature
0.1 ms at 55 °C
Time taken to switch from dark to light 0,2 – 0,3 s
Energy supply Solar cells and batteries, no
need to switch on and off
Working temperature –10 °C to +70 °C
Total weight 460 g
Recommended areas of use See page 11
Guarantee 3 years
Certificates CE, ECS, ANSI, AS/NZS, GOST-R

Functions for occasional welding.

Shade level 4/10-11
Control unit outside the helmet No
Comfortable headband Yes
Ability to adapt the detection angle Yes (60° or 120°)
Sensitivity control No
Opening delay No
Grinding mode No
Overhead welding Ja
True colour filter No
Can be retrofitted with optrel breathing
protection system
Hard hat can also be worn Yes


Article numbers

Designation Article no.
medium blue* 1006.480
dark blue* 1006.490
snow white* 1006.460
titan* 1006.430
cosmic green* 1006.440
shiny ruby* 1006.470
black unpainted* 1006.400
Darkening filter 5012.460
*Spare helmet shell on request

Version with hard hat adapter

dark blue 1006.454
snow white 1006.452
titan 1006.453
cosmic green 1006.457
shiny ruby 1006.455
medium blue 1006.456
black unpainted 1006.450

Welding helmets optrel e640