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(3) Attentions should be given to avoid any electric shock after the power supply being switched off (The insulation safety requirements should be 40KV between the terminal of output and "G")
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QDLASER Auto Darkening Welding Helmet Solar Li Battery Supply Outside Control padding-bottom:4pxQDLASER Auto Darkening Welding Helmet Solar Li Battery Supply Outside Control Cartridge size 110 X 90X 9mm Viewing area 90X 33mm 93X 43mm Light states DIN 4 Dark states DIN9 13 free adjustment (Outside Variable) Response time( bright to dark) < 1 25,000 seconds (normal temperature conditions) The return time ( dark to bright) adjustable: 0. 15 S ~ 0. 8 S Sensitivity (welding based on current size) adjustable: low high Battery lithium battery + solar