QL-W71 New design welding face shield

1.Powerful R&D Team 2.Fashion design with large viewing area 2.Welding/Grinding/Sensitivity 3.Welding Helemts/Machines

	ADF DX-400N	ADF DX-500D	ADF DX-400S
Optical Class	1 / 2 / 2 / 2
Viewing Area	92×42mm
Cartridge Size	110×90×9mm
Arc Sensor	2
Light State	DIN 4
Dark State	Variable shade, 9 ~13
Shade Control	Internal,Variable	External,Variable	External,Variable
Power On/Off	Fully Automatic
Sensitivity Control	Low-High, by switch button	Low — High, by infinitely dial knob	Low-High, by switch button
UV/IR Protection	DIN 16
Power Supply	Solar cells. Re-chargeable batteryNo battery change required	Solar cell. Battery change required2×AAA Alkaline batteries	Solar cells. Re-chargeable batteryNo battery change required
Switching Time	1/15000S,from Light to Dark	1/15000S,from Light to Dark	1/15000S,from Light to Dark
Dark to Light	0.25~0.45S at fast position, 0.65~0.85S at slow position	0.1-1.0S by infinitely dial knob	0.25~0.45S at fast position, 0.65~0.85S at slow position
Low Amperage TIG	≥20amps(DC)	≥10amps(DC)	≥20amps(DC)
Grinding Function	NO	YES	YES
Low Volume Alarm	NO	NO	NO
ADF self-check	NO	NO	NO
Operating Tep.	-5°C~+55°C
Storing Tep.	-20°C~+70°C
Warranty	2 Years
Weight	460g
Packing Size	33×23×23cm

  

QL-W71 New design welding face shield