Brand Name: TywelMaster
Helmet Material: Nylon
Origin: Mainland China
Sensitivity: 3 amps /DC; 3 amps /AC
Power Supply: Solar & Battery
Auto-Darkening: Yes
Certification: CE
Certification: RoHS
Solar Powered: Yes
Is Smart Device: no
View Area: 100x65mm (3.94x2.56in.)
Switch Time: 1/30000s
Cartridge Size: 33*24*24cm
Model Number: Tywel9B
Optical Class: 1/1/1/1 (real true color)
Sensors: 4 sensors
Certification: CE, UL, CSA, AS
Shade Range: Full Range 4(3)-13 Variable
Application: MIG/TIG/MMA Welding & Plasma Cutting & Grinding
UV/IR Protection: <=0.00002%/0.03%
Delay Time: 0.2-0.8s
Operating Temperature: -5 to 55 Celsius Degree (23 to 131F)
Weight: about 480g