QL-W74 New design mask for welding

1.Powerful R&D Team 2.Welding/Grinding/Sensitivity 3.Welding Helemts/Machines/Cables 4.Fashion design  

ADF DX-600L	ADF DX-600S	ADF DX-700S
Optical Class	1 / 1 / 1 / 2
Viewing Area	98×43mm	98×43mm	98×48mm
Cartridge Size	110×90×10mm	110×90×9mm	110×90×10mm
Arc Sensor	2
Light State	DIN 4
Dark State	Variable shade, 9 ~13
Shade Control	External,Variable
Power On/Off	Fully Automatic
Sensitivity Control	Low — High, by infinitely dial knob
UV/IR Protection	DIN 16
Power Supply	Solar cell. Battery change required1×CR2032 lithium battery	Solar cell. Battery change required2×CR2032 lithium battery	Solar cell. Battery change required1×CR2450 lithium battery
Switching Time	1/25000S,from Light to Dark
Dark to Light	0.1-1.0S by infinitely dial knob
Low Amperage TIG	≥5amps(DC),≥5amps(AC),
Grinding Function	YES	YES	YES
Low Volume Alarm	YES	YES	YES
ADF self-check	YES	YES	YES
Operating Tep.	-5°C~+55°C
Storing Tep.	-20°C~+70°C
Warranty	2 Years
Weight	500g
Packing Size	33×23×26cm

QL-W74 New design mask for welding