Product details
Optical class: 1/1/1/1
Power on mode: automatic power on
Variable light screen field of view: 97x62mm
Replaceable batteries: 2xCR2450 lithium batteries
Delay speed: 0.04sec-1.0sec
Battery life 4000 hours
Light change speed: 0.04 ms
Low battery warning: LED light display
Bright state shade number: 3
Arc light sensor number: 4
Dark state blackout number: 5-8/9-13
TIG Welding Minimum Current: ≥2 Amps
UR/IR Protection: UR/IR Protection
Welding Mask: EN175:B (meets medium energy impact requirement B)
Variable light screen: EN379 (optical class 1/1/1/1/1)
Inner/outer protection sheet: EN166:BT (meets medium energy impact requirements BT at extreme temperatures (-5°C~+55°C))

一代呼吸机规格书.docx