Description :Auto darkening welding helmet confirming to EN 379 /ANSI Z 87.1 as per specification. Externally\rregulated shade DIN 9-13. Light/Inactive shade - DIN 3 or 4. Viewing area min 92 x 39mm, Cartridge size -\rminimum 90 x 110mm. Switching time light to dark should not be more than 0.0005 sec, Dark to light 0.1 to 0.8\rsec. Operating temperature 30 to 70 deg C. Power supply- Solar cells. Sensitivity and delay adjustment should be\rcontinuous / step less. MAKE : ADOR/ESAB/WELSPRING/MESSER/KEMPPI only Note: The tenderer should\rbe OEM or authorised dealer, if authorised dealer, valid dealership certificate of the offered item should be\rattached along with offer
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