Southern Railway

Southern Railway has published Supply Of auto darkening welding helmet , auto darkening welding helmet confirming to en 379 (filter) / ansi z 87.1 as per the following specification. 1) externally r egulated shade din 9-13. 2) light / inactive shade - din 3 or 4.3) viewing area (minimum) 92 mm x 39 mm. 4) filter dimension (minimum )90mm x 110mm. 5) switching time from light to dark should not be more than 0.0005 sec, dark to light range between 0.1 to 1 sec. 6) operating temperature 30 to 70 deg c. 7) power supply - solar cells assist with lithium batteries. 8) sensitivity and delay adjustment should be co ntinuous/step less. make: ador/esab/messer/welspring universal/kemppi/migatronic/gce/3m [ warranty period: 6 months after the date of deliv ery ] ] , auto darkening welding helmet confirming to en 379 (filter) / ansi z 87.1 as per the following specification. 1) externally r egulated shade din 9-13. 2) light / inactive shade - din 3 or 4.3) viewing area (minimum) 92 mm x 39 mm. 4) filter dimension (minimum )90mm x 110mm. 5) switching time from light to dark should not be more than 0.0005 sec, dark to light range between 0.1 to 1 sec. 6) operating temperature 30 to 70 deg c. 7) power supply - solar cells assist with lithium batteries. 8) sensitivity and delay adjustment should be co ntinuous/step less. make: ador/esab/messer/welspring universal/kemppi/migatronic/gce/3m [ warranty period: 6 months after the date of deliv ery ] ] , auto darkening welding helmet confirming to en 379 (filter) / ansi z 87.1 as per the following specification. 1) externally r egulated shade din 9-13. 2) light / inactive shade - din 3 or 4.3) viewing area (minimum) 92 mm x 39 mm. 4) filter dimension (minimum )90mm x 110mm. 5) switching time from light to dark should not be more than 0.0005 sec, dark to light range between 0.1 to 1 sec. 6) operating temperature 30 to 70 deg c. 7) power supply - solar cells assist with lithium batteries. 8) sensitivity and delay adjustment should be co ntinuous/step less. make: ador/esab/messer/welspring universal/kemppi/migatronic/gce/3m [ warranty period: 6 months after the date of deliv ery ] ]. Last date of submission for this tender is 2026-04-08. This is a Safety Helmets tender in Ponmalai, Tamil Nadu