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switches from light to dark when the welding process starts
The B904 features fabric and reflective tape that meets the requirements of EN ISO 20471
100% Polyester 600D Fabric 400g
one chest pockets and adjustable cuffs
PU Coated 170g
Portwest BizWeld Plus Welding Helmet Flame Resistant switches from light to darkAuto darkening welding helmet, which switches from a light to dark state when welding activity starts. Light state is DIN 4; Dark state is adjustable from DIN 9 to DIN 13 using the external knob. Response time from light to dark state is 0. 04 milliseconds; return from dark to clear state in 0. 03 0. 04 sec. Power is supplied by solar cells with 2 built in lithium batteries to offer power back up for longer service life. No need for replacement
US$ 214.00
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