Auto Darkening Helmet

1. Outside sensitivity switching knob can make operators feel more convenient while operating. 2. the product has obtained the DIN PLUS certification and CE certification. 3.larger viewing window dimension makes observation more easily. 4.the helmet utilizes high performance sloar cell as power supply and has 2 buil in 3V lithium batteries as power back_up. the battery life is raised to a new limit and no change of battery is required.under normal welding conditions,the service life of the battery could  more than 5000 hours. Model TH-5 Approved CE certificate, DIN plus Optical class 1/1/1/2 Viewing Area(mm) 97X42 Cartridge Size (mm) 110X90 Arc Sensor 2 Light state DIN.4 Dark state Variable shade DIN.9-13 Dark to Light (s) 0.3~0.4s Switching Time 1/25000s Shade Control External, Variable Sensitivity Control Low - High External,Adjustable(Stepless) Power on/off Fully Automatic Power supply Solar cell&lithium battery UV/IR Protection DIN 15 Low Amperage TIG 5 amp Low Volume Alarm NO ADF self-check NO Grinding Function NO Operating Tep. -5°C~+55°C Storing Tep. -20°C~+70°C Warranty 2 years Weight (g) 500 Material of helmet Nylon/PP Cover lens CR-39/PC Application range MIG; MAG/CO2; SMAW; Air carbon cutting; TIG ; PLASMA arc welding/cutting