Welder’s mask, automatic optrel® expert series E684
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The welder’s mask E684 with stepless protection level adjustment, perfect view and true colour-rendition over the entire viewing area, particularly suitable for welding overhead. With individually adjustable clamping angle and facility to adjust the sensitivity to the working environment. With opening delay for gradual brightening from the darkened state. Additional grinding mode. With dusk function for a stepless transition from dark to light.
- Shade levels: 5 - 13 with HD field of view. Steplessly adjustable with the rotary knob
- Shade level in the light state: 4
- With lithium 3 V battery (working life 3,000 hours)
- Replacement battery: No. 081560 CR2032
- Colour: silver
- Field of view of the welding filter: 50 x 100 mm
MIG/MAG welding. Stick welding, TIG welding, plasma welding
EN 175; EN 379; EN 166
1 outer visor, 1 storage bag.
Switching time from bright to dark
Switching time from dark to bright
100 ms - 2000 ms
Classification to EN 379
1 / 1 / 1 / 1
Article no of the battery / rechargeable battery fitted
Number of batteries contained