MODEL: - WH521
Cartridge Size (mm): - 110*90
Viewing Window Size (mm): - 92*42
Lens Thickness (mm): - 8
Weight (g): - 103
Light State: - DIN4
Dark State: - DIN5-9/9-13
Switching time (ms): - 0.04
Delay time: - Inside & Switch 0.2S/0.60S
Sensitivity Adjustment: - Inside & Switch
Shade Adjustment (stepless): - Outside
Sensors: - 2
Operation temperature: - -5℃(23℉ ) ~ +55℃(131℉)
Grinding: - Outside
Power Supply: - Li-Mn & Solar Combination
TIG Capability: - >5A
Warranty (years): - 2
Optical Class: - 1/1/1/2
Certification: - CE EN379 、ANSI Z87.1 、GS