Item No.: G29B123
.Viewing Area:90x35mm   
.Cartridge Size: 110x90x9mm
.Optical Class：1/2/1/2
.Arc Sensor: 2
.Light State:DIN4
.Dark State:variable Shade9～13
.Shade control: external , variable
.Power On/O: Fully Automatic
.Sensitivity Control: Low--Hight, by innitely dial knob
.UV/IR Protection: Din 16
.Switching Time:1/5000S,from Light to Dark
.Dark to Light:0.25-0.45S Auto
.Low Amperage TIG:≥35amps(DC) ≥35amps(AC)
.Grinding Function:NO
.Low Volume Alarm:NO
.ADF self-cherk:NO