QL-W73 welding face mask

ADF DX-500S

ADF DX-550D

ADF DX-500T

Optical Class

1 / 2 / 1 / 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

External,Variable

Power On/Off

Fully Automatic

Sensitivity Control

Low — High, by infinitely dial knob

UV/IR Protection

DIN 16

Power Supply

Solar cells. Re-chargeable batteryNo battery change required

Solar cell. Battery change required2×AAA Alkaline batteries

Solar cell. Battery change required1×CR2032 lithium battery

Switching Time

1/25000S, from Light to Dark

Dark to Light

0.1-1.0S by infinitely dial knob

Low Amperage TIG

≥10amps(DC),≥10amps(AC),

Grinding Function

YES

YES

YES

Low Volume Alarm

NO

YES

YES

ADF self-check

NO

YES

YES

Operating Tep.

-5°C~+55°C

Storing Tep.

-20°C~+70°C

Warranty

2 Years

Weight

500g

Packing Size

33×23×23cm